CN103656828A - Multi-channel medical heat and humidity exchanging device - Google Patents
Multi-channel medical heat and humidity exchanging device Download PDFInfo
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- CN103656828A CN103656828A CN201210349862.6A CN201210349862A CN103656828A CN 103656828 A CN103656828 A CN 103656828A CN 201210349862 A CN201210349862 A CN 201210349862A CN 103656828 A CN103656828 A CN 103656828A
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Abstract
The invention discloses a medical heat and humidity exchanging device used in clinical mechanical ventilation and particularly relates to a bacteria blocking heat and humidity exchanging device with a medicating function. The heat and humidity exchanging device comprises a base, a core body with a plurality of channels, an upper cover and a heat and humidity exchanging medium arranged in the core body. The device is characterized in that the plurality of channels which are independent and separated are arranged in the core body, the heat and humidity exchanging medium is arranged in at least one channel, and a bacteria-blocking film is arranged on the outer surface of the heat and humidity exchanging medium. The device is simple in structure and can reliably prevent bacteria from passing through the heat and humidity exchanging device, polluting a breathing machine and causing cross infection or prevent the bacteria in the breathing machine from being transferred to a patient. Under the condition that the heat and humidity exchanging device is not detached, atomized medicine is infused into a patient.
Description
Technical field
The present invention relates to a kind of medical heat and humidity exchange (HME).
Background technology
Medical heat and humidity exchange (HME) are clinical conventional a kind of medical apparatus and instruments, mainly use in anaesthesia patient, ICU intensive care unit patient's etc. medical treatment and nursing process.Although respirator and breathing circuit provide the probability of artificial ventilation to dyspneic sufferer, in use, the gas of respirator output does not have humidity or the temperature of applicable human lung's environment.At present, the patient that intubate is breathed under artificial ventilation state normally adds gentle humidification by two kinds of modes to gas.First kind of way: when patient expects that the time that intubate is breathed is less than 72 hours, adopt and add the wet switch of a heat on artificial ventilation device.The operation of the wet switch of heat is retening temperature and humidity the gas by breathing out from patient, and temperature and humidity major part being retained in upper once expiratory phase gives patient.The second way: when patient expects that the time that intubate is breathed surpasses 72 hours, adopt an active armarium initiatively to artificial ventilation device heating and moistening.
In above-mentioned artificial ventilation medical treatment and nursing process, depending on patient's health, inject by gas passage the medicine of atomization, treatment respiratory tract disease.At this moment, inner heat and the humidity exchange media of medical heat and humidity exchange (HME) is easy to adsorb medicine, and barrier gas path.So just caused the aeration resistance of medical heat and humidity exchange (HME) to increase.At present, clinical conventionally when introducing atomization medicine, from breathing circuit, remove medical heat and humidity exchange (HME).Operation can increase the weight of medical personnel's workload like this, and increases treatment cost.In addition, removing medical heat and humidity exchange (HME) also easily makes the wet switch of heat be subject to environmental pollution.And the use of the relatively simple multi-path resistance of structure sputum device can not remove under the prerequisite of medical heat and humidity exchange (HME) and carries out infusion of medicine, extend the service time of medical heat and humidity exchange, thereby reduced the nursing cost of critically ill patient.
Meanwhile, existing heat and humidity exchange media adopt porous material more, can guarantee unobstructed the passing through of gas, and by the water adsorption in gas on heat and humidity exchange media, after during mechanical ventilation in, keep the moistening of gas.Once there be residual pathogenic bacteria in respirator, also can enter in patient respiration road with gas, thereby cause serious cross infection; Or patient's vivo carrying pathogenic bacteria, also can enter into respirator system with gas.Outer surface at heat and humidity exchange media arranges resistance Mycoderma, can stop the pathogenic bacteria in gas to enter respirator system by medical heat and humidity exchange (HME), also can stop the residual pathogenic bacteria in respirator system to enter human respiratory tract by medical heat and humidity exchange (HME), cause cross infection.
Summary of the invention
Technical problem to be solved by this invention is to provide the medical heat of a kind of multi-path that contains mutual isolation and humidity exchange (HME), and at heat and humidity exchange media outer surface, resistance Mycoderma is set.
The technical solution adopted in the present invention is: a kind of medical heat and humidity exchange, the core body that comprises base, contains a plurality of paths, upper cover and be placed in heat and the humidity exchange media of core body; Be characterized in: described base is provided with the first port and the second port, and the cavity extending between the first port and the second port; In described core body, be provided with a plurality of paths, it is disconnected wherein having two paths at least; In disconnected two paths, in one of them path, be provided with heat and humidity exchange media; In another path, do not contain heat and humidity exchange media; The outer surface of heat and humidity exchange media is provided with resistance Mycoderma.Described the first port is connected with the respiratory system of human body, described the second port is connected with armarium such as respirators, in the closed cavity extending between the first port and the second port, be provided with the core body containing multi-path, by the relative position between core body and base, change, can open different gas passages, in one of them gas passage, be provided with heat and humidity exchange media, another one is not provided with any medium in disconnected gas passage with it; Be characterized in, in normal during mechanical ventilation, open the gas passage of containing heat and humidity exchange media, gas is by entering human respiratory tract again after heat and humidity exchange media.In the time need to injecting the medicine of atomization to patient, change the relative position of core body and base, open the gas passage of not containing any medium, carry out infusion of medicine, medicine can enter into human respiratory tract smoothly, can not adsorbed by other materials.Meanwhile, at the outer surface of heat and humidity exchange media, be provided with resistance Mycoderma, can stop pathogenic bacteria by the heat switch that wets.
Adopt after technique scheme, patient, in accepting during mechanical ventilation, by changing the core body of the wet switch of heat and the relative position between base, just can inject the medicine of atomization very easily.Do not need to remove the wet switch of heat, medicine can not adsorbed by heat and humidity exchange media yet; Meanwhile, at the outer surface of heat and humidity exchange media, be provided with resistance Mycoderma, can stop pathogenic bacteria to enter into an other side by the heat exchange media that wets.The present invention is simple in structure, easy to use, is suitable for the medical treatment and nursing processes such as clinical Intensive Care Therapy or anesthesia and uses.
Accompanying drawing explanation
Fig. 1 is the schematic appearance of medical according to an embodiment of the invention heat and humidity exchange;
Fig. 2 is the top view of medical according to an embodiment of the invention heat and humidity exchange.
Fig. 3 is the structural representation of medical according to an embodiment of the invention heat and humidity exchange.
Fig. 4 is medical according to an embodiment of the invention heat and the profile of humidity exchange under aeration status.
Fig. 5 is medical according to an embodiment of the invention heat and the profile of humidity exchange under dosing state.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is made and being further illustrated.
With reference to figure 1 and Fig. 2.Medical according to an embodiment of the invention heat and humidity exchange comprise base 1, the core body 2 containing multi-path, hot wet exchange media 3 and upper cover 4.Wherein, base 1 is provided with the first port 111 and the second port one 12.The outer surface of core body 2 is provided with anti-skidding dentation.The upper surface of upper cover 4 is provided with the labelling 41 of indication gas communication direction.
As shown in Figure 3, the base 1 of medical according to an embodiment of the invention heat and humidity exchange is provided with base body 11, core body draw-in groove 12 and sealing ring 13, and base body 11 is provided with again the first port 111, the second port one 12 and core body container cavity 113.Core body 2 is placed in core body container cavity 113.Core body 2 is provided with core body main body 21 and the wet exchange media ring for fixing 22 of heat, and wherein core body main body 21 is provided with the wet exchange media container cavity 213 of the first path 211, alternate path 212 and heat.The wet exchange media 3 of heat is arranged in the wet exchange media container cavity 213 of heat in core body main body 21.The wet exchange media 3 of heat is divided into again two parts, and a part is the wet exchange media body 31 of heat, and another part is resistance Mycoderma 32.
As shown in Figure 4, when patient carries out mechanical ventilation, rotary core main body 21, alternate path 212 is communicated with the first port 111 and the second port one 12 in base body 11, the gas of respirator system supply enters into the wet exchange media 3 of heat by the below outlet of alternate path 212, by the heat exchange media body 31 that wets, then by resistance Mycoderma 32.Gas is by resistance during Mycoderma 32, and pathogenic bacteria and other microgranules are blocked on airintake direction one side of resistance Mycoderma, and clean gas could be by the heat exchange media 3 that wets, and the moisture in gas and heat are attracted to hot wetting in exchange media body 31.By the heat exchange media body 3 that wets, gas enters into the below outlet of alternate path 212, then enters into another port of base body 11, then enters into human respiratory tract.
In upper once venting process, the gas of respirator system supply enters into heat and the humidity exchange media body 31 of the wet switch of heat, once the humidity and temperature of preserving in heat and humidity exchange media body 31 is delivered in gas, change after the temperature and humidity of this gas, then enter in human respiratory tract.
As shown in Figure 5, when patient needs to add the medicine of atomization in during mechanical ventilation, the first port 111 and the second port one 12 that the first path 211 in the main body 21 of multi-path core body is communicated with in base body 11, three forms one not containing the path of the wet exchange media of heat, makes medicine by this gas circuit, be injected into patient respiration road smoothly.
Arrow in Fig. 4 and Fig. 5 represents the flow direction of gas.
The present invention is simple in structure, can guarantee that safe and simple under mechanical ventilation state carries out atomization medicine injection, when keeping human body to suck the preference temperature of gas and humidity, can also stop pathogenic bacteria to enter into human respiratory tract.Thereby significantly reduced the probability of sufferer generation malpractice in during mechanical ventilation.
Claims (5)
1. medical heat and a humidity exchange, the core body that comprises base, contains a plurality of paths, upper cover and be placed in heat and the humidity exchange media of core body; Be characterized in: described base is provided with the first port and the second port, and the cavity extending between the first port and the second port; In described core body, be provided with a plurality of paths, it is disconnected wherein having two paths at least; In disconnected two paths, in one of them path, be provided with heat and humidity exchange media; In another path, do not contain heat and humidity exchange media; The outer surface of heat and humidity exchange media is provided with resistance Mycoderma.
2. medical heat as claimed in claim 1 and humidity exchange, is characterized in that, described core body can be arranged on described base in the cavity between the first port and the second port.
3. the inner disconnected path of core body as claimed in claim 3, is characterized in that, is provided with heat and humidity exchange media in one of them path, is not provided with any filler in another path.
4. medical heat as claimed in claim 1 and humidity exchange, is characterized in that, the outer surface of described upper cover is provided with the labelling that indication gas circuit opens and closes.
5. medical heat as claimed in claim 1 and humidity exchange, it is characterized in that, between described upper cover, core body and base three, be sealed and matched, except first port and the second port of base, described medical heat is no longer provided with other and the outside gas passage being communicated with humidity exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210349862.6A CN103656828A (en) | 2012-09-20 | 2012-09-20 | Multi-channel medical heat and humidity exchanging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210349862.6A CN103656828A (en) | 2012-09-20 | 2012-09-20 | Multi-channel medical heat and humidity exchanging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103656828A true CN103656828A (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201210349862.6A Pending CN103656828A (en) | 2012-09-20 | 2012-09-20 | Multi-channel medical heat and humidity exchanging device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5590644A (en) * | 1995-10-19 | 1997-01-07 | Med-Plastics, Intl., Inc. | Heat and moisture exchanger for breathing |
| US20060157056A1 (en) * | 2005-01-18 | 2006-07-20 | Burk Marc A | Heat and moisture exchange device for respiratory therapy |
| US20090301479A1 (en) * | 2008-06-10 | 2009-12-10 | Covidien Ag | Filter and/or hme device for respiratory circuits comprising a condensation trap |
| US7921846B1 (en) * | 2002-09-16 | 2011-04-12 | Thayer Medical Corporation | Heat and moisture filter exchanger and method |
| CN102083491A (en) * | 2008-06-05 | 2011-06-01 | 护理联合2200公司 | Heat and moisture exchange unit |
| CN102123755A (en) * | 2008-06-05 | 2011-07-13 | 护理联合2200公司 | Heat and moisture exchange unit |
| CN202409739U (en) * | 2011-11-30 | 2012-09-05 | 美昕医疗器械（上海）有限公司 | Medical heat and humidity exchange device with phlegm-blocking function |
| CN202920748U (en) * | 2012-09-20 | 2013-05-08 | 昆山韦睿医疗科技有限公司 | Multi-path medical heat-humidity exchange device |
-
2012
- 2012-09-20 CN CN201210349862.6A patent/CN103656828A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5590644A (en) * | 1995-10-19 | 1997-01-07 | Med-Plastics, Intl., Inc. | Heat and moisture exchanger for breathing |
| US7921846B1 (en) * | 2002-09-16 | 2011-04-12 | Thayer Medical Corporation | Heat and moisture filter exchanger and method |
| US20060157056A1 (en) * | 2005-01-18 | 2006-07-20 | Burk Marc A | Heat and moisture exchange device for respiratory therapy |
| CN102083491A (en) * | 2008-06-05 | 2011-06-01 | 护理联合2200公司 | Heat and moisture exchange unit |
| CN102123755A (en) * | 2008-06-05 | 2011-07-13 | 护理联合2200公司 | Heat and moisture exchange unit |
| US20090301479A1 (en) * | 2008-06-10 | 2009-12-10 | Covidien Ag | Filter and/or hme device for respiratory circuits comprising a condensation trap |
| CN202409739U (en) * | 2011-11-30 | 2012-09-05 | 美昕医疗器械（上海）有限公司 | Medical heat and humidity exchange device with phlegm-blocking function |
| CN202920748U (en) * | 2012-09-20 | 2013-05-08 | 昆山韦睿医疗科技有限公司 | Multi-path medical heat-humidity exchange device |
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Application publication date: 20140326 |