CN104784794A - Expectoration pipeline - Google Patents
Expectoration pipeline Download PDFInfo
- Publication number
- CN104784794A CN104784794A CN201510232892.2A CN201510232892A CN104784794A CN 104784794 A CN104784794 A CN 104784794A CN 201510232892 A CN201510232892 A CN 201510232892A CN 104784794 A CN104784794 A CN 104784794A
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- China
- Prior art keywords
- expectoration
- pipeline
- port
- suction hole
- sputum
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0051—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes with alarm devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
Abstract
An expectoration pipeline comprises a three-way valve (4) and a measurement and control pipeline (2). The three-way valve (4) comprises a body (15) internally provided with a closed space, elastic elements (16 and 23) and an air inlet and exhaust port (21) formed in the body (15), a first end opening (17), a second end opening (18) and a third end opening (19) are formed in the body (15), the elastic elements (16 and 23) are capable of closing the first end opening (17) in a deforming mode and are arranged at the joint position of the first end opening (17) and the body (15), and inlet air or exhausted air of the air inlet and exhaust port (21) can make the elastic elements (16 and 23) deform; the measurement and control pipeline (2) is used for transmitting air pressure signals collected by the three-way valve (4) to an expectoration machine, and the expectoration machine controls the air inlet and exhaust port (21) to intake or exhaust air through the measurement and control pipeline (2). Air channel communication between a patient, a respirator and the expectoration machine can be achieved.
Description
Technical field
The present invention relates to medical equipment, more specifically, relate to a kind of simultaneously for the expectoration pipeline of expectoration machine and respirator.
Background technology
There is a lot of patient some or all of forfeiture autonomous respiration ability clinically, medical personnel as the case may be for they provide no-wound mechanical ventilation or Mechanical ventilation, can help the circulation of patient's Hold up voltage with this, improve oxygenate and recover effective autonomous respiration.Wherein refer to need by per os or nasal trachea cannula or the mechanical ventilation being set up artificial airway by modes such as tracheotomies for Invasive vent ilation.After critical patient sets up artificial airway, the coughre flex of self weakens, upper respiratory tract heating and moistening function is deprived of, cilium self-cleaning action weakens, airway secretions increases (see " specification airway management pattern is on the impact [J] of transporting quality in adult critical patient institute ", Tang Guirong, Jiang Shiyin, China's medical science, 2011,24 (2): 216-217), clearing pneogaster ensures one of effective Failure Treated with Mechanical Ventilation, the key factor saving critical patient timely and effectively.
The Main Means that current medical personnel clear up patient respiration road secretions carries out manual suction sputum operation with sputum aspirator tube.But this clearing pneogaster secretions mode has a lot of shortcoming.Suction sputum too frequently can cause unnecessary tracheal mucosa damage, increases pulmonary infection probability, increases the weight of hypoxemia and acute left heart failure; Suction sputum can cause again that respiratory tract is obstructed not in time, ventilation reduces, even arrhythmia of suffocating.There are some researches show, suction sputum may cause the generation of following complication, as arrhythmia, Airway damage, increased intracranial pressure, abnormal hemodynamics etc., thus affects the rehabilitation of patient.
There is now the full-automatic expectoration machine with respirator conbined usage, for removing the armarium of patient airway secretions, being applicable to use respirator to provide the patient of wound mechanical ventilation.The principle of this full-automatic expectoration machine is the physiology cough mechanism utilizing simulation normal person, after respirator applies an inspiratory flow to patient, rapidly to patient apply one suddenly, very brief expiratory airflow, impel the airway secretions of patient to discharge.Expectoration machine operationally needs to set up the gas passage be effectively communicated with respirator and patient, and need the break-make of the gas circuit that can control between respirator and patient, and the mechanical ventilation situation of patient can be monitored, as air-breathing terminal, expiration terminal, tidal volume, respiratory pressure etc.Therefore, for full-automatic expectoration machine, need a kind of expectoration pipeline coordinating its function.
Breathing pipeline is had in prior art.The breathing pipeline applied clinically at present mainly contains single-pipeline type and two kinds, dual circuit type.Can be different according to clinical breathing pipeline structure and the material of needing, such as common dual circuit reinforcement type, dual circuit telescopic, dual circuit reinforcement hydrops cup type, the scalable hydrops cup type of dual circuit etc. in addition.Single-pipeline is for anesthetic machine or sets up a unidirectional gas passage between respirator and face shield, and be transported in face shield for gas anesthetic machine or respirator exported by breather valve, suck for patient, the gas that patient breathes out is got rid of external through face shield.Fig. 1 shows dual circuit reinforcement hydrops cup type breathing pipeline.Dual circuit is for anesthetic machine or sets up a breathing interface channel between respirator and patient.Dual circuit comprises pipeline 54 and pipeline 55, and the port of these two pipelines is connected together by Y shape part 52, is connected with patient airway by adapter 51.Pipeline 55 is that the gas that anesthetic machine or respirator export is flowed to patient, and pipeline 54 is that the gas of patient being breathed out is got rid of external by anesthetic machine or respirator.Pipeline 54 is provided with water accumulating cup 53, water accumulating cup 53 for the treatment of the condensation in pipeline, and keeps pipeline normal ventilation, reduces liquid enters respirator inside or patient respiration road again risk by pipeline.Existing breathing pipeline all can only be set up gas circuit and be connected between respirator with patient, cannot by the access of full automatic synchronization expectoration machine wherein.
Summary of the invention
Object of the present invention provides a set of expectoration pipeline for full automatic synchronization expectoration machine exactly, the demand being connected with the gas circuit of the foundation meeting full automatic synchronization expectoration machine and respirator and patient, controlling respirator gas path on-off, monitor the aspects such as patient's mechanical ventilation situation.
Object of the present invention invents a kind of expectoration pipeline exactly, this expectoration pipeline has three air-path interfaces, wherein first air-path interface is connected with patient by tracheal intubation (patient's pipeline), second air-path interface is connected with respirator by breathing pipeline, 3rd air-path interface is connected with full automatic synchronization expectoration machine, thus set up patient, respirator, gas circuit between full automatic synchronization expectoration machine connects, and can in good time unlatching is set according to the breathing situation of patient and expectoration or close the respirator gas circuit in gas circuit connection, thus provide gas circuit basis for the normal work of full automatic synchronization expectoration machine.
Particularly, expectoration pipeline of the present invention comprises three-way valve, this three-way valve comprises: inside has the body of an enclosed space, body is provided with the first port, the second port and the 3rd port, wherein, first port is the respirator port be communicated with respirator, and the second port is the expectoration machine port be communicated with expectoration machine, and the 3rd port is as the patient ports be communicated with patient airway; Can close the flexible member of described first port by the mode of distortion, this flexible member is arranged in body, in the junction of the first port and body; And porting, porting is arranged on body, can make deformation of elastic element by the air inlet of porting or aerofluxus;
Expectoration pipeline of the present invention also comprises observing and controlling pipeline, and it is for the gas pressure Signal transmissions that will collect from three-way valve and throttling arrangement to expectoration machine, and expectoration machine controls air inlet or the aerofluxus of described porting by observing and controlling pipeline.
Compared with prior art, advantage of the present invention comprises:
The gas circuit that 1, can realize between patient, respirator, expectoration machine three is communicated with;
2, data collection point can be provided for expectoration machine monitoring patient inhales beginning and ending time, beginning and ending time, the tidal volume etc. of exhaling respiration parameter;
The pneumatic signal that 3, can provide according to expectoration machine controls the break-make of the gas circuit branch road leading to respirator, fast response time, good airproof performance.
4, adopt general-purpose interface form and size both at home and abroad, effectively can be connected with the armarium such as hospital existing respirator, tracheal intubation, closed sputum aspirator and utensil.
5, expectoration pipeline itself does not need power supply, safer, low power consuming;
6, the version adopted and material facilitate sterilization treatment, and batch production can be crossed and be accomplished to supply with aseptic condition.
7, cost is low, can realize producing in enormous quantities, can use as disposable product, effectively reduces the occurrence probability of cross infection.
Accompanying drawing explanation
Fig. 1 is the structure of the breathing pipeline of prior art.
Fig. 2 is the structure chart of the first embodiment of expectoration pipeline of the present invention.
Fig. 3 is the axonometric chart of the first embodiment of three-way valve of the present invention.
Fig. 4 is in the sectional view of the first state for the three-way valve shown in Fig. 3.
Fig. 5 is in the sectional view of the second state for the three-way valve shown in Fig. 3.
Fig. 6 is the explosion figure of the second embodiment of three-way valve of the present invention.
Fig. 7 is the sectional view of three-way valve shown in Fig. 6.
Fig. 8 is the profile of the 3rd embodiment of three-way valve of the present invention.
Fig. 9 is the isometric cutaway view of the flexible member in Fig. 8.
Figure 10 is the axonometric chart of throttling arrangement of the present invention.
Figure 11 is the sectional view of the throttling arrangement shown in Figure 10.
Figure 12 is the structure chart of the second embodiment of expectoration pipeline of the present invention.
Figure 13 is the axonometric chart of the first embodiment of pipe clamp of the present invention.
Figure 14 is the front view of the pipe clamp shown in Figure 13.
Figure 15 is the axonometric chart of the second embodiment of pipe clamp of the present invention.
Figure 16 is the front view of the pipe clamp shown in Figure 15.
Figure 17 is a kind of axonometric chart of townhouse pipeline.
Figure 18 is the front view of the townhouse pipeline in Figure 17.
Figure 19 is the axonometric chart of suction sputum lid of the present invention.
Figure 20 is the axonometric chart at another visual angle of suction sputum lid of the present invention.
Figure 21 is the front view of the lid of suction sputum shown in Figure 19.
Figure 22 is the sectional view along the line B-B in Figure 21.
Figure 23 is the top view after the expansion of the lid of suction sputum shown in Figure 19.
Figure 24 is the sectional view along the line A-A in Figure 23.
Figure 25 is the axonometric chart of the first embodiment of observing and controlling pipe joint of the present invention.
Figure 26 is the front view of the observing and controlling pipe joint shown in Figure 25.
Figure 27 is the sectional view along the line A-A in Figure 26.
Figure 28 is the axonometric chart of the second embodiment of observing and controlling pipe joint of the present invention.
Figure 29 is the front view of the pipe joint of observing and controlling shown in Figure 28.
Figure 30 is the side view of the pipe joint of observing and controlling shown in Figure 28.
Figure 31 is the structure chart of the 3rd embodiment of expectoration pipeline of the present invention.
Reference numeral
1 pipe clamp 2 observing and controlling pipeline
4 three-way valve 5 patient connecting hoses
6 sealing-plugs 7 store up expectorant joint
8 suction sputum lid 9 expectoration machine flexible pipes
10 water accumulating cup 11 nuts
12 observing and controlling pipe joint 13 O type circles
14 biofilter 15 bodies
15A the first noumenon component 15B second body member
15C the 3rd body member 16 sacculus
17 respirator port one 7A reinforcements
17B intercepts step 18 expectoration machine port
19 patient ports 20 throttling arrangements
20A first steady flow segment 20B throat
20C second steady flow segment 21 porting
22 patient airway pressure detecting mouths
23 closed sputum aspirator 24 sputum suction holes
25 sputum suction holes block up 26 retainer rings
27 plugs 28 are shaken hands
29 first connector 30 second connectors
31 pressure acquisition mouth 33 adapter body
34 anti-misloading pin 35 pipeline guiding tubes
36 anti-deformation hole 37 sputum suction hole surrounding edges
38 sputum suction hole surrounding edge mouth 41 pipe clamp main bodys
42 second band breach annulus 43 the 3rd are with breach annulus
44 arc depressions
51 adapter 52 Y shape parts
53 water accumulating cup 54 pipelines
55 pipelines
Detailed description of the invention
Describe embodiments of the present invention with reference to the accompanying drawings, the identical Reference numeral of wherein identical parts represents.
First embodiment of expectoration pipeline
Fig. 2 shows the structure chart of an embodiment of expectoration pipeline of the present invention.Expectoration pipeline comprises three-way valve 4, observing and controlling pipeline 2 and expectoration machine flexible pipe 9.
Three-way valve 4 is for connecting three gas circuits: respirator gas circuit, expectoration machine gas circuit and patient's gas circuit.Preferably, three-way valve 4 is connected with respirator, expectoration machine, patient respectively respectively by breathing circuit, expectoration machine pipeline, patient's pipeline.Expectoration machine, according to the pressure of the patient respiration gathered and flow signal, is monitored patient respiration situation, is judged whether patient respiration meets expectoration requirement, determine the expectoration beginning and ending time.When patient's eupnea, expectoration machine cuts out expectoration machine flexible pipe 9 by its internal valves, breathing circuit and patient's gas circuit is communicated, normally carries out mechanical ventilation by respirator to patient.When expectoration machine judges client need expectoration, operate three-way valve 4 by observing and controlling pipeline 2 and close breathing circuit, expectoration machine flexible pipe 9 is communicated with patient's pipeline, and in expectoration machine flexible pipe 9, produces negative pressure, assisting patient expectoration.
Preferably, described expectoration machine pipeline also comprises throttling arrangement 20, and the pressure transducer in throttling arrangement 20, observing and controlling pipeline 2 and expectoration machine forms a differential pressure flowmeter.Throttling arrangement 20 adopts Venturi tube principle, throttling arrangement 20 is arranged upper and lower (with vertical direction shown in Fig. 2) two pressure detecting mouths, detect the pressure of the gas of process and be transferred to expectoration machine (not shown) by observing and controlling pipeline 2.Throttling arrangement 20 is connected with respirator port one 7, and throttling arrangement 20 is connected with respirator again (being connected with respirator by flexible pipe).
Preferably, expectoration machine flexible pipe 9 is corrugated tubing, corrugated tubing inner wall smooth, corrugationless or groove, and thus gas flow resistance when corrugated tubing is little, is conducive to ensureing expectoration effect.Expectoration machine flexible pipe 9 can also be the conventional respiratory tube structure form such as corrugated tube or extension type air tube.
Expectoration pipeline of the present invention is triplate line structure, is connected respectively with patient, respirator, expectoration machine; By controlling the break-make of respirator gas circuit to saccule valve, while cut-out respirator gas circuit, complete expectoration action.And, expectoration pipeline of the present invention has pressure and flow signal acquisition point, expectoration machine can monitor the breathing situation (comprising the parameters such as expiration terminal, air-breathing terminal, tidal volume) of patient with this, the auxiliary expectoration to patient can be completed when not interrupting Ventilators, and open manual suction sputum and closed manual suction sputum can be completed when not interrupting Ventilators.
The structure of three-way valve 4 is described in detail referring to Fig. 3 to Fig. 9.
First embodiment of three-way valve
The axonometric chart of the first embodiment of the three-way valve that Fig. 3 is, it adopts sacculus as flexible member.Fig. 4 is in the sectional view of the first state for the three-way valve shown in Fig. 3.Fig. 5 is in the sectional view of the second state for the three-way valve shown in Fig. 3.
Three-way valve comprises body 15, and body 15 inside has an enclosed space.Body 15 is provided with porting 21, body 15 is also provided with three air flue ports: the first port (respirator port) 17, second port (expectoration machine port) 18 and the 3rd port (patient ports) 19, thus three gas circuits can be connected: respirator gas circuit, expectoration machine gas circuit and patient's gas circuit.Specifically, respirator port one 7 is connected to respirator by breathing hose (not shown), forms respirator gas circuit.Expectoration machine port one 8 is connected to expectoration machine by expectoration machine flexible pipe 9, forms expectoration machine gas circuit.Patient ports 19 is connected to the air flue of patient by patient's pipeline, forms patient's gas circuit, thus the gas circuit set up between patient, respirator, expectoration machine connects.Respirator port one 7, expectoration machine port one 8, patient ports 19 are for meeting female cone joint or the outer cone joint of industry standard (" YY 1040.1-2003 anaesthetizes and breathing apparatus cone joint part 1: conehead and tapered sleeve "), can be 15mm size, also can be 22mm size.
Body 15 is a hollow structure, inner at body 15, and in the junction of body 15 with respirator port one 7, be provided with flexible member 16, flexible member 16 can close described first port 17 after being out of shape.Figure elastic element 16 is shown as sacculus 16 (see Fig. 4), describe the present invention below, but protection scope of the present invention is not restricted to this for sacculus 16, and the parts with identical operation principle all can be applied in the present invention and be covered by of the present invention.
Sacculus 16 can be inflated and aerofluxus.The inflation of sacculus 16 and aerofluxus are realized by porting 21.Porting 21 is connected to sacculus 16.Sacculus 16 can close respirator port one 7 after inflation, and breathing circuit is closed.When needing air inlet, expectoration machine is inflated in sacculus 16 via porting 21, sacculus 16 is expanded and closes respirator port one 7.When needs aerofluxus, porting 21 opened by expectoration machine, sacculus 16 aerofluxus, makes sacculus 16 be contracted to naturalness and opens respirator port one 7.In general, when respirator normally works, sacculus 16 is in the raw, namely unexpanded, and the gas that respirator provides is sent to patient by respirator port one 7, patient ports 19.When expectoration machine applies expectoration action to patient, expectoration machine is inflated to sacculus 16, and sacculus 16 expands and closes respirator port one 7.
Fig. 4 show three-way valve 4 be in open mode under sectional view, now respirator port one 7 is open, and the air-flow that respirator provides can flow to patient by respirator port flow through three-way valve 4.Fig. 5 show three-way valve 4 be in closed state under sectional view, now respirator port one 7 is that sacculus after being inflated 16 is closed, and expectoration machine can apply expectoration action to patient.Optionally, sacculus 16 can substitute, as long as it controlledly can be opened or block respirator port one 7 with other switches or valve.
Further, described patient ports 19 is provided with patient airway pressure detecting mouth 22.Observing and controlling pipeline 2 by collection the patient airway pressure detecting mouth 22 on three-way valve and the pressure signal transmission on respirator port one 7 to expectoration machine, the pneumatic control signal that expectoration machine provides is passed to sacculus 16 simultaneously.Observing and controlling pipeline 2 is townhouse pipe, and the townhouse pipe that pipeline number can be selected according to actual needs more or less is as observing and controlling pipeline 2.Detecting patient airway pressure is for expectoration machine judges that patient respiration situation provides foundation, as judged patient respiration frequency, breathing the information such as beginning and ending time, climacteric duty pressure, simultaneously in order to break down at respirator or saccule valve, cause respirator cannot provide the mechanical ventilation of continuous and effective for patient, when patient has an asphyxiation hazard, namely patient airway pressure maintains a certain numerical range (as 15 to 30cmH
2o), time certain hour (such as 10 seconds), expectoration machine can give the alarm.
In use, three-way valve should keep the vertical state shown in Fig. 3, sputum and other secretions can be avoided like this to pollute sacculus 16, also avoid sputum and other secretions contamination and plugging patient airway pressure detecting mouth 22 or sacculus 16 simultaneously.
Second embodiment of three-way valve
Fig. 6 is the explosion figure of the second embodiment of three-way valve.Fig. 7 is the sectional view of three-way valve shown in Fig. 6.
Body 15 comprises the first noumenon component 15A, the second body member 15B and the 3rd body member 15C, and three's engaging is combined into body 15.Body 15 is designed to dismountable, is in order to the sacculus 16 to be convenient for changing relatively easy loss.The first noumenon component 15A is provided with respirator port one 7 and expectoration machine port one 8.Second body member 15B is provided with patient ports 19.Second body member 15B has perforate, and this perforate is alignd with the Nang Kou of sacculus 16, and in the same size.3rd body member 15C is provided with porting 21.In general, porting 21 is less, and the Nang Kou of sacculus 16 is larger, so the 3rd body member 15C has lid, this lid can to cover on the second body member 15B described perforate of aliging with the Nang Kou of sacculus 16, and this covers and has aperture, and this aperture communicates with porting 21.
Sacculus 16 is placed near the seam of respirator port one 7 with body 15, jointly forms independent enclosed space with body.Preferably, place reinforcement 17A at this seam, when inflated expands, reinforcement 17A can carry out spacing to sacculus 16, prevents the bottom excessive deformation of sacculus 16.
In the first embodiment of three-way valve 4, the preferred using state of three-way valve 4 is vertical.In this second embodiment, the using state of three-way valve 4 can be (as shown in Figure 6) that keep flat, condensed water, sputum etc. may be had during horizontal positioned to flow to three-way valve and collect in herein, in order to prevent these liquid three-way valve, particularly affect sacculus 16.Can arrange in threeway sacculus valve chest inside and intercept step 17B.Intercepting step 17B, to be arranged on body 15 inner, at the connector of respirator port one 7 and body 15, between expectoration machine port one 8 and the connector of body 15.Intercept step 17B and there is certain altitude to stop described condensed water, sputum etc.Intercept step 17B and body 15 can not be separated into two airtight spaces, because body 15 is tee Ts, need respirator port one 7, expectoration machine port one 8 and patient ports 19 3 to ventilate.Intercept step 17B to be arranged on as shown in Figure 6 on the first noumenon component 15A and the second body member 15B.
In present embodiment, respirator port, expectoration machine port, patient ports are for meeting female cone joint or the outer cone joint of industry standard (" YY1040.1-2003 anesthesia and breathing apparatus cone joint part 1: conehead and tapered sleeve "), wherein respirator port and patient ports are 15mm female cone joint, and expectoration machine port is 15mm outer cone interface.
Respirator port one 7 is connected with body 15 in opposite direction obliquely with expectoration machine port one 8, and this is to reserve the space be connected with breathing circuit (not shown) and expectoration machine flexible pipe 9.
3rd embodiment of three-way valve
Fig. 7 to Fig. 9 shows the 3rd embodiment of three-way valve 4, and the 3rd embodiment is on the basis of the first embodiment, and sacculus 16 is replaced with chip diaphragm 23.Change the structure of the 3rd body member 15C simultaneously, make it be applicable to fixing chip diaphragm 23, and independent enclosed space can be formed with it.Chip diaphragm 23 is the same with sacculus, can be out of shape with closed respirator port one 7 by compressed gas-driven.Fig. 9 shows a kind of isometric cutaway view of chip diaphragm 23.Fig. 8 shows and adopts chip diaphragm shown in Fig. 9 as the profile of the three-way valve of flexible member.
Chip diaphragm 23, compared with sacculus 16, has that response speed is faster, the better feature of sealing effectiveness, but sacculus 16 has higher reliability.
Three-way valve 4 not only may be used for gas circuit, also may be used for liquid.
The structure of throttling arrangement 20 is described in detail referring to Figure 10 and Figure 11.
The axonometric chart of the throttling arrangement 20 that Figure 10 shows, the sectional view of the throttling arrangement 20 that Figure 11 shows.Throttling arrangement 20 be one section of pipe, comprising: the first steady flow segment 20A, throat 20B and the second steady flow segment 20C.Throat 20B is between the first steady flow segment 20A and the second steady flow segment 20C.The internal diameter of throttling arrangement 20 is not uniform, and the internal diameter of throat 20B is less than the first steady flow segment 20A and the second steady flow segment 20C.When fluid flows through position (the throat 20B) that this internal diameter diminishes can because flow area diminish cause flowing through throat before with flow through throat after the pressure of fluid there is non-vanishing difference, the flow of fluid can be inferred by this difference.
The internal diameter of the first steady flow segment 20A and the second steady flow segment 20C is constant or change is very little.If internal diameter is change, so variation tendency is: more less close to throat's 20B internal diameter.
Preferably, the first steady flow segment 20A is connected by arc transition with the inner surface of throat 20B with the second steady flow segment 20C.
Preferably, the internal diameter of the first steady flow segment 20A and the second steady flow segment 20C is less than the internal diameter of pipe two ends interface portion.
Preferably, before and after throat 20B, a pressure acquisition mouth 31 is respectively arranged with.
Preferably, two pressure acquisition mouths 31 are separately positioned on the first steady flow segment 20A and the second steady flow segment 20C.
Preferably, throttling arrangement 20 is symmetrical structures, get perpendicular to throttling arrangement main body axis, with the equidistant plane in two ends, throttling arrangement is relative to this plane symmetrically structure.
Preferably, the two ends of throttling arrangement 20 adopt and meet air tube joint industry-standard sizes, so that access breathing pipeline, and are connected with three-way valve 4.Preferably, the industry standard taper joint size of 15mm specification is adopted.Preferably, throat 20B minimum diameter is 8mm, and throat 20B length is 2.5mm.Preferably, the internal diameter of the first steady flow segment 20A and the second steady flow segment 20C is difference 10mm, and length is respectively 10mm.Preferably, the internal diameter of throat 20B pressure at both sides acquisition port 31 is 2.5mm.Preferably, pressure acquisition mouth 31 is apart from the center 6mm of throat 20B.
Optionally, this throttling arrangement 20 can make an entirety with structures such as other pipelines or pipeline parts, pipe joint, pipe valves.
The manufactured materials of throttling arrangement 20 can be the macromolecular materials such as PP (polypropylene), PE (polyethylene), ABS (acrylonitrile-butadiene-styrene copolymer), PVC (polrvinyl chloride), nylon (Fypro), also can be other materials, as the metal material such as rustless steel, aluminium alloy.
Second embodiment of expectoration pipeline
Figure 12 shows another preferred implementation of expectoration pipeline of the present invention.Present embodiment, on the basis of the first embodiment of expectoration pipeline of the present invention, adds more ingredient, better can coordinate the work of expectoration machine.
Wherein, pipe clamp 1 can make observing and controlling pipeline 2 better arrange.The structure of pipe clamp 1 is described referring to Figure 13 to Figure 18.
First embodiment of pipe clamp
Figure 13 to Figure 14 shows the first embodiment of pipe clamp 1.Observing and controlling pipeline 2 is fixed on expectoration machine flexible pipe 9 outer surface for the mode by clamping by pipe clamp 1.Pipe clamp 1 comprises pipe clamp main body 41, and pipe clamp main body 41 is a band breach annulus (the first band breach annulus), and the internal diameter of annulus is more smaller than expectoration machine flexible pipe pipe 9 external diameter, and such as little 2mm, to clamp expectoration machine flexible pipe 9 more tightly.
The material of pipe clamp can be the macromolecular materials such as PP (polypropylene), PE (polyethylene), ABS (acrylonitrile-butadiene-styrene copolymer), PVC (polrvinyl chloride), nylon (Fypro).The advantage of this type of material is adopted to be that, during installation, pipe clamp main body 41 is opened to load expectoration machine flexible pipe 9 than being easier to.The material of pipe clamp also can be other materials, as the metal material such as rustless steel, aluminium alloy.Adopt this type of material when mounted, need to adopt soft expectoration machine flexible pipe 9, to clamp-on in pipe clamp main body 41, but pipe clamp adopts this material can be sturdy and durable.
The central angle of pipe clamp main body 41 is preferably more than 180 ° and is less than 360 °, more preferably between 240 ° to 320 °.The wide D of wall of pipe clamp main body 41 (see Figure 13, i.e. distance between front and back two plane of the annulus of pipe clamp main body 41) can be more than or equal to 0.5mm and be less than or equal to 10mm, and recommendation is 5mm.The wall thickness H (see Figure 14, the distance between the annulus inner ring wall to collar wall of pipe clamp main body 41) of pipe clamp main body 41 can be more than or equal to 0.5mm and be less than or equal to 5mm, and recommendation is 2mm ~ 3mm.
The outer peripheral surface of pipe clamp main body 41 being distributed with the second band breach annulus 42, second band breach annulus 42 optimal location is: on the outer ring relative with the annular indentation of pipe clamp main body 41.More preferably, the breach of the second band breach annulus 42 is contrary with the annular indentation opening direction of pipe clamp main body 41, and more preferably, two breach centers point-blank.Second band breach annulus 42 is for being fixed on pipe clamp 1 by observing and controlling pipeline 2 by the mode of clamping, thus observing and controlling pipeline 2 is fixed on the object on expectoration machine flexible pipe 9 by realization, make the layout in observing and controlling pipeline 2 use procedure, trend more reasonable, reduce the phenomenons such as winding, knotting, unexpected bending.
Preferably, the central angle of the second band breach annulus 42 must be greater than 180 ° and be less than 360 °, is more preferably between 240 ° to 320 °.The wide d2 of wall (see Figure 13, namely second being with the distance between front and back two plane of the annulus of breach annulus 42) of the second band breach annulus 42 can be more than or equal to 0.5mm and be less than or equal to 10mm, and recommendation is 5mm.The wall thickness h2 (see Figure 14, the distance between the annulus inner ring wall to collar wall of the second band breach annulus 42) of the second band breach annulus 42 can be more than or equal to 0.5mm and be less than or equal to 3mm, and recommendation is 1.5mm.In order to easily manufactured, the wide d2 of wall of the second band breach annulus 42 can equal the wide D of wall of pipe clamp main body 41.
Preferably, can increase more small size band breach annulus in pipe clamp main body 41, object to fix more pipeline.
Preferably, the end of pipe clamp main body 41 is respectively equipped with two the 3rd band breach annulus 43.The center of circle of two the 3rd band breach annulus 43 is distributed in on the concentric circular that is the center of circle of the center of circle of pipe clamp main body 41, and preferably, the central angle of two the 3rd band breach annulus 43 must be greater than 180 ° and be less than 360 °, is more preferably between 240 ° to 320 °.The wide d3 of wall (distance between front and back two plane of the annulus of the 3rd band breach annulus 43) of the 3rd band breach annulus 43 can be more than or equal to 0.5mm and be less than or equal to 10mm, and recommendation is 5mm.The wall thickness h3 (the 3rd is with the distance between the inner ring wall of breach annulus 43 to collar wall) of the 3rd band breach annulus 43 can be more than or equal to 0.5mm and be less than or equal to 3mm, and recommendation is 1.5mm.In order to easily manufactured, the wide d3 of wall of the 3rd band breach annulus 43 and wall thickness h3 all can equal the wide d2 of wall and the wall thickness h2 of the second band breach annulus 42.
Second embodiment of pipe clamp
Figure 15 to Figure 16 shows the second embodiment of pipe clamp.With the first embodiment unlike, the outer peripheral surface of pipe clamp main body 41 is distributed with the second band breach annulus 42 that two breach are relative, second band breach annulus 42 optimal location is: on the outer ring relative with the annular indentation of pipe clamp main body 41, and be centrosymmetric relative to the annulus center of circle of pipe clamp main body 41 with the annular indentation of pipe clamp main body 41.Second band breach annulus 42 is for being fixed on pipe clamp 1 by observing and controlling pipeline 2 by the mode of clamping, thus observing and controlling pipeline 2 is fixed on the object on expectoration machine flexible pipe 9 by realization, make the layout in observing and controlling pipeline 2 use procedure, trend more reasonable, reduce the phenomenons such as winding, knotting, unexpected bending.
The breach of two second band breach annulus 42 is Relative distribution.The center of circle of two second band breach annulus 42 is distributed in on the concentric circular that is the center of circle of the center of circle of pipe clamp main body 41, circular arc arc length between two second band breach annulus 42 centers of circle is equal with centre-to-centre spacing E (see Figure 18) between townhouse pipeline (see Figure 17 and Figure 18) outermost two pipe centers of circle of observing and controlling pipeline 2.The internal diameter of two second band breach annulus 42 is identical with the external diameter of townhouse pipeline.Preferably, the central angle of two second band breach annulus 42 must be greater than 180 ° and be less than 360 °, is more preferably between 240 ° to 320 °.The wide d2 of wall (distances between two planes of the annulus of the second band breach annulus 42) of the second band breach annulus 42 can be more than or equal to 0.5mm and be less than or equal to 10mm, and recommendation is 5mm.The wall thickness h2 (second is with the distance between the inner ring wall of the annulus of breach annulus 42 to collar wall) of the second band breach annulus 42 can be more than or equal to 0.5mm and be less than or equal to 3mm, and recommendation is 1.5mm.Or in order to easily manufactured, the wide d2 of wall of the second band breach annulus 42 can equal the wide D of wall of pipe clamp main body 41.
Preferably, the outer surface between two second band breach annulus 42 of pipe clamp main body 41 is also provided with arc depression 44, and the quantity of arc depression 44 is identical with the quantity removing the pipe beyond the pipeline of two ends in townhouse pipeline.The effect of arc depression 44 is that each pipeline of townhouse pipeline can be snapped in a depression.Preferably, the internal diameter of arc depression 44 is identical with the external diameter of the pipe of townhouse pipeline.Preferably, two adjacent circular arc cave in 44 places round Ring current distribution between distance equal two adjacent tubes of townhouse pipeline center between distance.
Preferably, can arrange more small size band breach annulus at other positions of pipe clamp main body 41, can occur in pairs, also can be single appearance, also can be multiplely to occur simultaneously, and size characteristic is the same.The object increasing more small size band breach annulus more townhouse pipeline and single conduit can be fixed on expectoration machine flexible pipe 9.Also comprise the 3rd band breach annulus 43 in this second embodiment, its structure is identical with the first embodiment, does not repeat them here.
Present embodiment is not easy to the shortcoming of fixing townhouse pipeline for existing pipeline fixed mount, and be the character of single tube for expectoration machine flexible pipe 9, fixed mount arranges applicable size, the band breach annulus that opening is relative, enable townhouse pipeline more convenient, effectively be fixed on fixed mount, thus make observing and controlling pipeline 2 and expectoration machine flexible pipe 9 form a branch of stable connection, compact pipeline group, make the layout of expectoration machine flexible pipe 9 and observing and controlling pipeline 2 more reasonable, and effectively improve observing and controlling pipeline 2 and be wound around, knotting, the phenomenons such as unexpected bending, and improve installation operating efficiency and convenience.
Further, during the assisting patient expectoration of expectoration machine, the sputum of patient's expectoration is generally temporarily stored in patient's pipeline, is cleared up subsequently by medical worker.But for patient with severe symptoms, breathing pipeline, expectoration machine pipeline need the moment to be communicated with patient's pipeline, even if when clearing up expectorant, patient's pipeline can not be pulled down and clearing up.For this reason, the expectoration pipeline of present embodiment also comprises storage expectorant joint 7 (see Figure 12), and storage expectorant joint 7 is arranged in patient ports 19.The sputum that storage expectorant joint 7 is discharged for temporary reservoir in patient body and other secretions.
Storage expectorant joint 7 be three way cock, and in order to store up expectorant, storage expectorant joint 7 is designed to be formed by connecting (level and vertical with direction shown in Figure 12 for reference) by a horizontal tube and VERTICAL TUBE.Horizontal tube can vertically be connected with VERTICAL TUBE, thus storage expectorant joint 7 has a vertical interface, two horizontal interfaces.The interface of VERTICAL TUBE is connected to the patient ports of three-way valve 4.An interface of horizontal tube is connected to patient's connecting hose 5, when patient's connecting hose 5 is not installed, can be sealed by seal cover 6.The centre of horizontal tube can oriented lower recess to be used for storing up expectorant.Another interface of horizontal tube is hidden by suction sputum lid 8.Storage expectorant joint 7 is connected in the patient ports of three-way valve 4.Two other port of three-way valve 4, one connects expectoration machine flexible pipe 9, another is connected to breathing circuit (not shown) by throttling arrangement 20, the gas pressure that throttling arrangement 20 detects transfers to expectoration machine by observing and controlling pipeline 2, and expectoration machine controls to open or close three-way valve 4 according to gas pressure and pre-set programs.
The structure of expectoration lid 8 is described referring to Figure 19 to Figure 24.
Figure 19 is the axonometric chart of suction sputum lid of the present invention.Figure 20 is the axonometric chart at another visual angle of suction sputum lid of the present invention, and a part for its middle cover is cut with the structure clearly illustrating suction sputum lid.Figure 21 is the front view of the lid of suction sputum shown in Figure 19.Figure 22 is the sectional view along the line B-B in Figure 21.Figure 23 is the top view after the expansion of the lid of suction sputum shown in Figure 19.Figure 24 is the sectional view along the line A-A in Figure 23.
As shown in Figure 19 to Figure 24, suction sputum lid 8 has cover plate and side sealing.Side sealing is for wrapping the mouth of pipe of storage expectorant joint 7.Cover plate has sputum suction hole 24 and sputum suction hole stifled 25, sputum suction hole stifled 25 is for sealing sputum suction hole 24.
In a preferred embodiment, as shown in Figure 20, Figure 22 and Figure 24, suction sputum lid 8 also comprises sputum suction hole surrounding edge 37, and sputum suction hole surrounding edge 37 extends inside cover plate, surrounds sputum suction hole 24, concentric with sputum suction hole 24.Sputum suction hole surrounding edge 37 is circular and has certain taper, it is larger that sputum suction hole surrounding edge 37 and sputum suction hole 24 contact side diameter, opposite side diameter is less, and the less side of diameter is called sputum suction hole surrounding edge mouth 38, and sputum suction hole surrounding edge mouth 38 is for fitting with sputum suction hole stifled 25 with enhanced leaktightness.Sputum suction hole stifled 25 comprises plug 27, and plug 27 is cylinder, and the head of plug 27 is coniform to facilitate in insertion sputum suction hole 24.Be provided with groove at plug 27 away from head a distance, described distance is as the criterion head can be made to pass completely through lid thickness and fully fit with sputum suction hole surrounding edge mouth 38, can suitably strengthen this distance again.Acting as of described groove, when the head of insertion plug 27 is to groove location.And the width of groove is be not less than the cover sheet thickness around sputum suction hole 24, the diameter that the sputum suction hole of groove blocks up 25 is greater than the diameter of sputum suction hole 24, better with the sealing effectiveness making sputum suction hole 24 and sputum suction hole block up between 25.
Preferably, the diameter of sputum suction hole 24 is slightly larger than the diameter of sputum aspirator tube (not shown) conventional clinically, and in present embodiment, the diameter of sputum suction hole 24 is 4.8mm.
Preferably, the lid thickness of other positions of lid Thickness Ratio around sputum suction hole 24 is little, is beneficial to sputum suction hole stifled 25 and inserts, and the insertion of different size sputum aspirator tube (not shown).
Preferably, sputum suction hole stifled 25 also comprises handle 28.Handle 28 is the projection protruded from plug 27 afterbody, and it is fan-shaped for conveniently inserting and extract the shape showing handle 28 in plug 27, figure, and obviously handle 28 does not limit shape for this reason.
Preferably, sputum suction hole stifled 25 also comprises the first connector 29.First connector 29 one end is positioned at the junction of plug 27 and handle 28, and can shake hands 28 to be integrally formed with plug 27.The other end of the first connector 29 is positioned on the side sealing of lid, can certainly be located at other positions of lid.
Preferably, suction sputum lid 8 also has retainer ring 26, and retainer ring 26 is connected on lid side sealing by the second connector 30, can certainly be located at other positions of lid.During use, retainer ring 26 is enclosed within the VERTICAL TUBE of storage expectorant joint 7, so that when opening suction sputum lid 8, suction sputum lid 8 can not come off, and conveniently after suction sputum, covers suction sputum lid 8 again.
During concrete use, first can extract stifled for sputum suction hole 25 from sputum suction hole 24, and sputum aspirator tube (not shown) be stretched into from sputum suction hole 24 in storage expectorant joint 7 and carry out suction sputum.The work of respirator and expectoration machine need not be stopped in this process.The another kind of using method of suction sputum lid 8 is: taken off from storage expectorant joint 7 by suction sputum lid 8, opened completely by the interface that suction sputum lid 8 is closed before making on storage expectorant joint 7, only retain retainer ring 26 to be enclosed within storage expectorant joint 7, so that medical personnel carry out suction sputum and carry out other disposing.This kind of usage causes respirator and expectoration machine to be reported to the police because making air-channel system leakage rate excessive.
In the expectoration pipeline shown in Figure 12, water accumulating cup 10 can be connected between two expectoration machine flexible pipes 9, be back in patient body after preventing steam coagulation.Water accumulating cup 10 has cup and bowl cover, and bowl cover is connected with tee T, and two ports difference left and right connect expectoration machine flexible pipe the 9, three port and are connected with cup.
Preferably, the end of expectoration machine flexible pipe 9 connects biofilter 14.Biofilter 14, for the gas filtering in patient's lung and extract out in air flue, prevents pathogen contamination expectoration machine.
Further, expectoration confidential connection observing and controlling pipeline 2, observing and controlling pipeline 2 has many pipelines, how can be succinct, correct be connected by many pipelines, is very important.And for medical apparatus and instruments, be also very important.In the present invention, observing and controlling pipeline 2 is connected to expectoration machine by observing and controlling pipe joint 12.Preferably, by nut 11, observing and controlling pipe joint 12 can be locked on expectoration machine.Preferably, between observing and controlling pipe joint 12 and expectoration machine, install O type circle 13 additional, for guaranteeing the sealing between observing and controlling pipe joint 12 and expectoration machine corresponding interface.
The structure of observing and controlling pipe joint 12 is described referring to Figure 25 to Figure 30.
First embodiment of observing and controlling pipe joint
Figure 25 shows the first embodiment of the observing and controlling pipe joint 12 for the multiple pipeline of anti-misloading of the present invention.Figure 26 shows the front view of the observing and controlling pipe joint 12 shown in Figure 25.Figure 27 shows the sectional view along the line A-A in Figure 26.
Observing and controlling pipe joint 12 comprises adapter body 33 and anti-misloading pin 34.
Adapter body 33 can be designed to suitable shape and thickness as required, is shown as plate-like in Figure 25.Adapter body 33 has 2 anti-misloading pins 34, anti-misloading pin 34 is arranged on adapter body 33 side, and that is, anti-misloading pin 34 can not be arranged in adapter body 33 symmetrically.Anti-misloading pin 34 only can be positioned at adapter body 33 side, i.e. not penetration joints main body 33.Adapter body 33 has multiple hole, is respectively used to accommodation pipeline.
Anti-misloading pin 34 is illustrated as cylinder, can be other shapes according to actual needs.The effect of anti-misloading pin 34 is the Interface Shapes of the accessory coordinating observing and controlling pipe joint 12 to insert, and correspondingly, described accessory should have the anti-misloading hole (not shown) holding described anti-misloading pin 34.Thus, when only having anti-misloading pin 34 relative with described anti-misloading hole, observing and controlling pipe joint 12 could be connected on described accessory.Therefore, when pipeline correctly penetrates the hole of adapter body 33, just can ensure observing and controlling pipe joint 12 and the accessory exact connect ion be inserted into, can not be wrong pipeline is connected.
Concrete, during use, first specific pipeline is installed in the particular bore in adapter body 33, then observing and controlling pipe joint 12 is installed on the position of expecting and will install, in the present embodiment, be installed on the observing and controlling pipeline mount pad (not shown) of expectoration machine.Observing and controlling pipeline mount pad is provided with the anti-misloading hole (not shown) with the complementation of anti-misloading pin 34 phase and the installing hole (not shown) corresponding with each pipeline.Because anti-misloading pin 34 is asymmetric setting, anti-misloading pin 34 can be caused when installing observing and controlling pipe joint 12 with wrong mounting means can not to enter in corresponding anti-misloading hole, and anti-misloading pin 34 will interfere with observing and controlling pipeline mount pad and cause observing and controlling pipe joint 12 not to be in desired location.Because this mistake is very easy to be noted by the operator, thus achieve connect many pipelines at the same time while prevent pipeline mistake from installing.
In present embodiment, the quantity of anti-misloading pin 34 is 2, but the quantity of anti-misloading pin 34 is not limited to 2, also can be 1,3 or other quantity.The key that anti-misloading pin 34 possesses effective mistake proofing dress function is that it must asymmetric arrangement on observing and controlling pipe joint 12.And the length of anti-misloading pin is unsuitable too short, otherwise the function of anti-misloading pin can be weakened.In present embodiment, the length of anti-misloading pin is 5mm.
Second embodiment of observing and controlling pipe joint
Figure 28 shows the axonometric chart of the second embodiment of observing and controlling pipe joint 12 of the present invention.Figure 29 is the front view of the pipe joint of observing and controlling shown in Figure 28 12.Figure 30 is the side view of the pipe joint of observing and controlling shown in Figure 28 12.
On the basis of the first embodiment, the observing and controlling pipe joint 12 of present embodiment comprises pipeline guiding tube 35 further, and pipeline guiding tube 35 is arranged in the described hole of described adapter body 33, and pipeline guiding tube 35 can be integrally formed with adapter body 33.Pipeline guiding tube 35 inserts in pipeline.Pipeline guiding tube 35 is hollow cylinder structure, and outer surface has tapering, and diameter is large compared with pipeline internal diameter, in the present embodiment, and the diameter comparatively large 1.5mm of pipeline internal diameter of pipeline guiding tube 35.Pipeline guiding tube 35 is beneficial to the grafting of pipeline and fixes.
The center of the adapter body 33 of the observing and controlling pipe joint 12 of present embodiment also has anti-deformation hole 36.When observing and controlling pipe joint 12 adopts macromolecular material injection mo(u)lding, anti-deformation hole 36 contributes to the homogenize material distribution of observing and controlling pipe joint 12, thus probability and the degree of unexpected contraction distortion occur when reducing 12 molding of observing and controlling pipe joint.
3rd embodiment of expectoration pipeline
Figure 31 shows another embodiment of expectoration pipeline of the present invention.Difference compared with the embodiment shown in Figure 12 is, storage expectorant joint 7 is replaced by closed sputum aspirator 23, thus reduces the occurrence probability of cross infection further.
Above-described embodiment, just the present invention's more preferably detailed description of the invention, the usual change that those skilled in the art carries out within the scope of technical solution of the present invention and replacement all should be included in protection scope of the present invention.
Claims (31)
1. an expectoration pipeline, is characterized in that, comprising:
Three-way valve (4), this three-way valve (4) comprising:
Inside has the body (15) of an enclosed space, body (15) is provided with the first port (17), the second port (18) and the 3rd port (19), wherein, first port (17) is the respirator port be communicated with respirator, second port (18) is the expectoration machine port be communicated with expectoration machine, and the 3rd port (19) is as the patient ports be communicated with patient airway;
The flexible member (16 of described first port (17) can be closed by the mode of distortion, 23), this flexible member (16,23) is arranged in body (15), in the junction of the first port (17) with body (15); And
Porting (21), porting (21) is arranged on body (15), flexible member (16,23) can be made to be out of shape by the air inlet of porting (21) or aerofluxus;
Observing and controlling pipeline (2), its for the gas pressure Signal transmissions that will collect from three-way valve (4) to expectoration machine, further, expectoration machine controls air inlet or the aerofluxus of described porting (21) by observing and controlling pipeline (2).
2. expectoration pipeline according to claim 1, it is characterized in that, described expectoration pipeline also comprises: for gathering the throttling arrangement (20) of the gas pressure signal of the first port (17), throttling arrangement (20) is connected with respirator port (17).
3. expectoration pipeline according to claim 1, it is characterized in that, body (15) comprises the first noumenon component (15A), the second body member (15B) and the 3rd body member (15C), and three combines and forms body (15)
First port (17) and the second port (18) are positioned on the first noumenon component (15A), 3rd port (19) is positioned on the second body member (15B), and porting (21) is positioned on the 3rd body member (15C).
4. expectoration pipeline according to claim 1, is characterized in that, described flexible member (16,23) is sacculus (16) or diaphragm (23).
5. expectoration pipeline according to claim 3, it is characterized in that, described body (15) also comprises for the flexible member (16 to expansion, 23) spacing reinforcement (17A) is carried out in bottom, reinforcement (17A) is arranged in body (15), is positioned at the seam of respirator port (17) and body (15).
6. expectoration pipeline according to claim 1, it is characterized in that, described body (15) also comprises the obstruct step (17B) for stopping the liquid flowed in body (15), intercepting step (17B), to be arranged on body (15) inner, at the connector of respirator port (17) and body (15), between expectoration machine port (18) and the connector of body (15).
7. expectoration pipeline according to claim 1, it is characterized in that, second body member (15B) has perforate, flexible member (16,23) with described apertures in alignment, described 3rd body member (15C) has lid, and described lid has the hole communicated with porting (21), and described lid hides the described perforate of the second body member (15B).
8. expectoration pipeline according to claim 1, is characterized in that, respirator port (17) is connected with body (15) in opposite direction obliquely with expectoration machine port (18).
9. expectoration pipeline according to claim 1, is characterized in that, the 3rd port (19) is provided with the patient airway pressure detecting mouth (22) for detecting patient airway pressure.
10. expectoration pipeline according to claim 2, is characterized in that, throttling arrangement (20) is one section of pipe, comprising:
First steady flow segment (20A), throat (20B) and the second steady flow segment (20C), throat (20B) is positioned between the first steady flow segment (20A) and the second steady flow segment (20C), the internal diameter of throat (20B) than the first steady flow segment (20A) and the second steady flow segment (20C) little; And
Two pressure acquisition mouths (31), are separately positioned on the pipe before and after throat (20B).
11. expectoration pipelines according to claim 10, it is characterized in that, the internal diameter of the first steady flow segment (20A) and the second steady flow segment (20C) is constant, or the internal diameter of the first steady flow segment (20A) and the second steady flow segment (20C) is more less close to throat (20B).
12. expectoration pipelines according to claim 11, is characterized in that, the internal diameter of the first steady flow segment (20A) and the second steady flow segment (20C) is less than the internal diameter of pipe two end interface.
13. expectoration pipelines according to claim 10, is characterized in that, two pressure acquisition mouths (31) are separately positioned on the first steady flow segment (20A) and the second steady flow segment (20C).
14. expectoration pipelines according to claim 1, it is characterized in that, described expectoration pipeline comprises pipe clamp (1) further, pipe clamp (1) comprising:
Pipe clamp main body (41), pipe clamp main body (41) is band breach annulus; With
Second band breach annulus (42), the second band breach annulus (42) is arranged on the outer peripheral surface of pipe clamp main body (41).
15. expectoration pipelines according to claim 14, it is characterized in that, the quantity of the second band breach annulus (42) is one, and annular indentation is contrary with the annular indentation direction of pipe clamp main body (41), and two breach centers point-blank.
16. expectoration pipelines according to claim 14, it is characterized in that, the quantity of the second band breach annulus (42) is two, be positioned on the outer ring relative with the annular indentation of pipe clamp main body (41), the breach direction of two second bands breach annulus (42) is relative.
17. expectoration pipelines according to claim 16, it is characterized in that, pipe clamp main body (41) comprises the arc depression (44) for holding townhouse pipeline, arc depression (44) is arranged on the outer peripheral surface of the pipe clamp main body (41) between two second bands breach annulus (42), the quantity of described arc depression (44) is the quantity removing the pipe beyond the pipeline of two ends in the townhouse pipeline of two the second used clampings of band breach annulus (42), and each arc depression (44) is for holding a pipe in townhouse pipeline.
18. expectoration pipelines according to claim 14, it is characterized in that, described pipe clamp also comprises: the 3rd band breach annulus (43) that two breach are relative, and the 3rd band breach annulus (43) is arranged on the annular indentation end of pipe clamp main body (41).
19. expectoration pipelines according to claim 14, it is characterized in that, it is on the concentric circular in the center of circle that the center of circle of the center of circle of two second bands breach annulus (42) and two the 3rd bands breach annulus (43) is all positioned at the center of circle of pipe clamp main body (41).
20. expectoration pipelines according to claim 14, is characterized in that,
The central angle of pipe clamp main body (41) is between 180 ° ~ 360 °, and the wide D of wall of pipe clamp main body (41) is between 0.5mm ~ 10mm, and the wall thickness H of pipe clamp main body (41) is between 0.5mm ~ 5mm;
The central angle of the second band breach annulus (42) is between 180 ° ~ 360 °, the wide d2 of wall of the second band breach annulus (42) is between 0.5mm ~ 10mm, and the wall thickness h2 of the second band breach annulus (42) is between 0.5mm ~ 3mm.
21. expectoration pipelines according to claim 1, it is characterized in that, described expectoration pipeline comprises storage expectorant joint (7) further, storage expectorant joint (7) is a three way cock, one end is connected on the 3rd port (19), and one end is connected to patient airway, and one end is connected with suction sputum lid (8), suction sputum lid (8) has cover plate and side sealing, and described suction sputum lid (8) also comprises:
Sputum suction hole (24), sputum suction hole (24) is positioned on the cover plate of described suction sputum lid; With
Can block the sputum suction hole stifled (25) of described sputum suction hole (24), sputum suction hole stifled (25) seals described sputum suction hole (24) by inserting described sputum suction hole (24).
22. expectoration pipelines according to claim 21, it is characterized in that, sputum suction hole stifled (25) comprising: the plug (27) of cylindrical shape, the head of plug (27) is coniform, and the afterbody of plug (27) has the groove for blocking cover plate around sputum suction hole (24).
23. expectoration pipelines according to claim 22, is characterized in that, sputum suction hole stifled (25) also comprises: handle (28), and handle (28) is the projection protruded from plug (27) afterbody.
24. expectoration pipelines according to claim 23, it is characterized in that, described suction sputum lid also comprises: circular sputum suction hole surrounding edge (37), sputum suction hole surrounding edge (37) extends inside cover plate, and encirclement sputum suction hole (24) is also concentric with sputum suction hole (24).
25. expectoration pipelines according to claim 24, it is characterized in that, sputum suction hole surrounding edge (37) has tapering, the diameter of the sputum suction hole surrounding edge mouth (38) away from sputum suction hole (24) side of sputum suction hole surrounding edge (37) is less than the diameter of contact sputum suction hole (24) side, thus sputum suction hole surrounding edge mouth (38) can be fitted with sputum suction hole stifled (25).
26. expectoration pipelines according to claim 22, is characterized in that,
Sputum suction hole stifled (25) also comprises the first connector (29), and the first connector (29) one end is positioned at the junction of plug (27) and handle (28), and the other end is positioned on described side sealing,
Described suction sputum lid also comprises: for described suction sputum lid being fixed to the retainer ring (26) on a bar; With the second connector (30), the second connector (30) one end is positioned on retainer ring (26), and the other end is positioned on described lid side sealing.
27. expectoration pipelines according to claim 21, it is characterized in that, sputum suction hole (24) cover sheet thickness is around less than the lid thickness of other positions, and the diameter of the sputum suction hole stifled (25) of described groove is greater than the diameter of sputum suction hole (24).
28. expectoration pipelines according to claim 1, it is characterized in that, described expectoration pipeline comprises the observing and controlling pipe joint (12) for observing and controlling pipeline (2) being installed to expectoration machine further, and observing and controlling pipe joint (12) comprising:
Adapter body (33), adapter body (33) has multiple hole passed for pipeline; With
Anti-misloading pin (34), anti-misloading pin (34) is asymmetricly arranged in adapter body (33).
29. expectoration pipelines according to claim 28, is characterized in that, also comprise: for the pipeline guiding tube (35) passed for pipeline, pipeline guiding tube (35) is arranged in the described hole of described adapter body (33).
30. expectoration pipelines according to claim 28, is characterized in that, the center of described adapter body (33) is provided with the anti-deformation hole (36) preventing it to be out of shape when injection mo(u)lding adapter body (33).
31. expectoration pipelines according to claim 1, it is characterized in that, second port (18) is connected to expectoration machine by expectoration machine flexible pipe (9), expectoration machine flexible pipe (9) centre is back to the water accumulating cup (10) in patient body after being connected with and preventing steam coagulation, water accumulating cup (10) has cup and bowl cover, bowl cover is connected with tee T, two ports connect expectoration machine flexible pipe (9) in left and right respectively, 3rd port is inserted in cup, and expectoration machine flexible pipe (9) end is connected with biofilter (14).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510232892.2A CN104784794B (en) | 2015-05-08 | 2015-05-08 | A kind of expectoration pipeline |
| PCT/CN2016/080548 WO2016180243A1 (en) | 2015-05-08 | 2016-04-28 | Mucus suction tube |
| TW105113897A TW201639609A (en) | 2015-05-08 | 2016-05-05 | Expectoration pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510232892.2A CN104784794B (en) | 2015-05-08 | 2015-05-08 | A kind of expectoration pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104784794A true CN104784794A (en) | 2015-07-22 |
| CN104784794B CN104784794B (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510232892.2A Active CN104784794B (en) | 2015-05-08 | 2015-05-08 | A kind of expectoration pipeline |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN104784794B (en) |
| TW (1) | TW201639609A (en) |
| WO (1) | WO2016180243A1 (en) |
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| WO2016180243A1 (en) * | 2015-05-08 | 2016-11-17 | 濡新（北京）科技发展有限公司 | Mucus suction tube |
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| TW202348266A (en) * | 2017-02-21 | 2023-12-16 | 紐西蘭商費雪派克保健有限公司 | A fluid trap for a respiratory therapy system |
| CN111991631B (en) * | 2020-09-09 | 2023-06-02 | 云南省阜外心血管病医院 | Medical clinical sputum aspirator |
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| CN113018525B (en) * | 2021-03-01 | 2022-05-27 | 南方医科大学南方医院 | Measurable multifunctional safe closed type sputum suction device |
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| CN106139273A (en) * | 2016-08-11 | 2016-11-23 | 成都润泰智通科技有限公司 | Conduit is difficult to the comprehensive therapeutical device being wound around |
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| CN111009865A (en) * | 2019-11-28 | 2020-04-14 | 烟台职业学院 | Anti-climbing power line pole device |
| CN111658939A (en) * | 2020-05-19 | 2020-09-15 | 中国科学院合肥物质科学研究院 | Intelligent central suction device for pipe drawing and anti-splashing and use method thereof |
| CN111658939B (en) * | 2020-05-19 | 2023-10-03 | 中国科学院合肥物质科学研究院 | Intelligent central suction device for preventing tube drawing from splashing and application method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016180243A1 (en) | 2016-11-17 |
| TW201639609A (en) | 2016-11-16 |
| CN104784794B (en) | 2017-03-29 |
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