CN105854102A - Reverse flow turning tube and method for operating same - Google Patents
Reverse flow turning tube and method for operating same Download PDFInfo
- Publication number
- CN105854102A CN105854102A CN201610236638.4A CN201610236638A CN105854102A CN 105854102 A CN105854102 A CN 105854102A CN 201610236638 A CN201610236638 A CN 201610236638A CN 105854102 A CN105854102 A CN 105854102A
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- package
- pipe
- taper sheath
- round platform
- chuck
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Links
- 238000000034 method Methods 0.000 title abstract description 6
- 238000007789 sealing Methods 0.000 claims description 42
- 210000004204 blood vessel Anatomy 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 238000013459 approach Methods 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 241001465754 Metazoa Species 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 claims 1
- 238000002618 extracorporeal membrane oxygenation Methods 0.000 abstract description 15
- 238000002627 tracheal intubation Methods 0.000 abstract 2
- 239000008280 blood Substances 0.000 description 10
- 210000004369 blood Anatomy 0.000 description 10
- 208000015181 infectious disease Diseases 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 230000036770 blood supply Effects 0.000 description 3
- 230000002612 cardiopulmonary effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 208000007536 Thrombosis Diseases 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 208000028399 Critical Illness Diseases 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- 241000282620 Hylobates sp. Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000007675 cardiac surgery Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000287 tissue oxygenation Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
Classifications
-
- 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
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3607—Regulation parameters
- A61M1/3609—Physical characteristics of the blood, e.g. haematocrit, urea
- A61M1/3612—Physical characteristics of the blood, e.g. haematocrit, urea after treatment
-
- 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
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
-
- 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
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
- A61M1/3659—Cannulae pertaining to extracorporeal circulation
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0413—Blood
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/12—Blood circulatory system
-
- 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
- A61M2230/00—Measuring parameters of the user
- A61M2230/20—Blood composition characteristics
- A61M2230/205—Blood composition characteristics partial oxygen pressure (P-O2)
Abstract
The invention discloses a reverse flow turning tube and a method for operating the same, relates to medical equipment, and particularly relates to a reverse flow turning tube on an ECMO (extracorporeal membrane oxygenation) instrument. The reverse flow turning tube comprises an endovascular intubation tube (100), a connecting tube (200), a cannula (300), a cannula connector (400) and a three-way valve (500). The cannula (300) sleeves the endovascular intubation tube (100) and is connected with one end of the connecting tube (200) by the cannula connector (400), and the other end of the connecting tube (200) is connected with a first connecting end (510) of the three-way valve (500). The reverse flow turning tube and the method have the advantages that the reverse flow turning tube is simple in structure, low in cost, easy and convenient to operate and free of requirements on service environments, and affected parts of patients rarely can be infected.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly relate to a kind of reversely turning on ECMO instrument
Flow tube.
Background technology
ECMO is the English letter of ECMO (extracorporeal membrane oxygenation)
Claiming, it is to represent a hospital, even one area, of a national critical illness first aid level
Technology.Nineteen fifty-three Gibbon is that the extracorporeal circulation that operation on heart is implemented has epoch-making meaning.This is not
But make department of cardiac surgery fast development, also will compose a new chapter for first aid training simultaneously.In the operation on heart phase
Between, extracorporeal circulation can substitute cardiopulmonary completely with short-term, and can implement open heart operations.Meanwhile, exist
After the extracorporeal circulation that operation on heart room is quickly set up, salvage success rate is the highest.Scholars have had immediately by this
Technical transform is an idea supporting rescue technology.
ECMO be different from traditional extracorporeal circulation have following some: ECMO is that seal pipeline is without external
Storage blood vial device in cyclic process, extracorporeal circulation then has storage blood vial as exhaust apparatus, is open pipe
Road；ECMO is owing to being by heparin coating material, and is the closed system pipeline blood without geo-stationary.
Activated coagulation time (ACT) 120 180s, extracorporeal circulation then requires ACT 480s；ECMO
Holding time 1-2 week, have more than the report of 100 days, extracorporeal circulation is usually no more than 8 hours；External
Circulation needs open chest surgery, requires time for long, it is desirable to condition is high, is difficult to carry out.ECMO most without
Open chest surgery, the most easy and simple to handle quickly.
ECMO is the Cardiopulmonary Bypass walking out operation on heart room.Its principle is to be drawn by internal venous blood
Go out external, after special substance artificial heart-lung bypass oxygenate, inject patient artery or Venous system, play
Part cardiopulmonary vicarious function, maintains human internal organ tissue oxygenation blood supply.
The basic structure of ECMO: intravascular catheter, connecting tube, kinetic pump (artificial heart), oxygenate
Device (artificial lung), oxygen supplying tube, monitoring system.The most often can abandon part composition set bag, can not
Abandon part binding to deposit, and be designed as may move, improve emergency capability.
Chinese invention patent, blocks venous incubation, Publication No. CN201052336Y, publication date certainly
Phase is on June 28th, 2007, discloses a kind of intravascular catheter and connecting tube.But its pipeline connects
Mode easily causes pollution, therefore defines the operating environment of high cost.And in the poor area of hygienic conditions
Use this pipeline, then easily cause the infection of patient, and cause complication.
Therefore, a kind of novel intravascular catheter, connecting tube are needed badly to reduce use cost, preventing sense
Catch place.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple in construction, low cost, easy and simple to handle, no
Require to use environment, affected part to infect little reverse shunt tube.
The reverse shunt tube of the present invention, including intravascular catheter and connecting tube, sleeve pipe, casing joint, threeway
Valve, is set with sleeve pipe outside described intravascular catheter, described sleeve pipe is by casing joint and the one of connecting tube
End connects, and the other end of connecting tube connects has first with three-way valve to be connected end connection.
Preferably, the second connection end of described three-way valve is pin thread interface, the 3rd connection of three-way valve
End is box interface.
Preferably, the outer circumference surface of described intravascular catheter is provided with the boss that cross section is arc, described sleeve pipe
Joint offers chuck, and described chuck seals clamping with the boss of described arc.
Preferably, the present invention comprises the steps: that along it, described intravascular catheter is axially inserted into sleeve pipe connects
Head, causes the boss of described arc and described chuck clamping；With the outer end of the inner periphery of described chuck for
Point, the vertical axis with described intravascular catheter presses one end of pressure intravascular catheter, cause described chuck with
Described boss departs from, thus extracts intravascular catheter.
Preferably, between inner peripheral surface and the described intravascular catheter of described chuck, it is provided with sealing ring, described
The outer circumference surface of sealing ring is fixed with chuck, and described sealing ring turns down at least twice with the folding line of radial direction.
Preferably, between inner peripheral surface and the described intravascular catheter of described chuck, it is provided with sealing ring, described
The outer circumference surface of sealing ring is fixed with chuck, and described sealing ring turns down there being the folding line of angle with radial direction
At least twice, described angle is 30 °.
Preferably, described three-way valve includes that joint body, changeover valve and handle, described changeover valve can turn
Being arranged on the Hui Liuchu of joint body, described changeover valve is provided with three through holes, and described three through holes are just to three dynamicly
First connection end of logical body, the second connection end, the 3rd connection end, the inwall of described three through holes is provided with forever
Magnet coating.
Preferably, described sleeve pipe includes that multiple sleeve arranged in animal housing shape is constituted, described sleeve bag
Include end pipe and package；Described sleeve bottom is end pipe, and described end pipe is round table-like, and end pipe external diameter is bigger
Periphery with fixing break-through body, the upper superposition of end pipe is set with multiple packages, the position in the plurality of package
Package external diameter in the middle part of sleeve pipe is relatively big, and the package external diameter being positioned at sleeve pipe two ends in multiple packages is less,
The side of end pipe is connected by rubber hose with the outer circumference surface of the package on the upside of it；Described package is by from upper
Including the first taper sheath and the second taper sheath under to, on the upside of described first taper sheath, external diameter is less than downside external diameter,
On the upside of second taper sheath, external diameter is more than on downside external diameter, external diameter on the downside of the first taper sheath and the second taper sheath
The external diameter of side is identical, fixes with the second taper sheath top bottom the first taper sheath, and package is provided with axially extending bore,
Offering the first round platform hole bottom described package, described first round platform hole connects with the axially extending bore of package,
Internal diameter on the upside of first round platform hole is identical with the internal diameter of the axially extending bore of package, in package axial cross section first
The side lines in round platform hole are parallel with the side lines of the first taper sheath；Depend in the axial direction on described package
Secondary it is set with multiple package, the side of the first taper sheath of downside package and the second taper sheath of upside package
Lower edge between connected by rubber hose, described rubber hose is uniformly distributed many along the axis circumference of package
Individual；When two packages stretch the most round about, the package of upside and the package of downside pass through rubber
Hose connection；During when two packages rubber hose mutually the most round about and by radial force, the package of upside
Along upper any and the most mutual on the package of downside or end pipe upper side under the first round platform hole, bottom
Support, the circumferential opposite side of any of described mutual support is spacing by rubber hose.
Preferably, the upper end of described thimble, lower end are respectively equipped with electric magnet, lower electromagnet.
Preferably, the operational approach of the reverse shunt tube of the present invention, comprise the steps: Step1, by described
The upper electric magnet of thimble, lower electromagnet are energized, and make electric magnet, lower electromagnet magnetic induction line direction identical,
Thus pull open the distance of the plurality of thimble；Step2, after described rubber hose is static, change lower electromagnetism
The sense of current of ferrum, makes electric magnet, lower electromagnet magnetic induction line in opposite direction, thus by soft for described rubber
Pipe clamp is between multiple thimbles；Step3, solution will be poured in described sleeve pipe.
Preferably, the duct of described three through holes of described three-way valve is waveform, described corrugated three
Between distance L between aperture D and the crest of corrugated three through holes, the trough of through hole, relation is:
D<L/3。
Preferably, being provided with delivery pipe at the crest of described corrugated three through holes, described delivery pipe port sets
Having the non-return valve that can only transmit towards the direction away from trough, described non-return valve includes round platform mouth, sealing
Ball, spring, one end that described round platform mouth diameter is less is connected with described delivery pipe, and round platform mouth is relatively large in diameter
One end be connected with the outer surface of described three-way valve, one end that described round platform mouth is relatively large in diameter and ball sealer
Between be provided with spring, be provided with described sealing ring between the side of described ball sealer and round platform mouth.
Preferably, described non-return valve is 26.6kPa towards the sealing threshold value in the direction away from trough.
The present invention reverse shunt tube difference from prior art is that the reverse shunt tube of the present invention is by described
Casing joint and three-way valve can be safer by pipeline connecting mode, and by the parcel blood of sleeve pipe
Pipe interpolation pipe is so that space outerpace is more difficult to touch intravascular catheter, thus avoids outside antibacterial to infect micro-
The affected part of wound.
Below in conjunction with the accompanying drawings the reverse shunt tube of the present invention is described further.
Accompanying drawing explanation
Fig. 1 is the front view of reverse shunt tube；
Fig. 2 is the sectional view of the reverse shunt tube shown in Fig. 1；
Fig. 3 is the top view of the sealing ring shown in Fig. 2；
Fig. 4 is the top view of another structure of the sealing ring shown in Fig. 2；
Fig. 5 is the sectional view of the three-way valve shown in Fig. 1；
Fig. 6 is the partial enlarged drawing in Fig. 2 at A；
Fig. 7 is the partial enlarged drawing in Fig. 5 at B.
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 6 shows, seeing Fig. 2, a kind of reversely shunt tube of the present invention, including blood vessel
Interpolation pipe 100 and connecting tube 200, sleeve pipe 300, casing joint 400, three-way valve 500, described blood
Being set with sleeve pipe 300 outside pipe interpolation pipe 100, described sleeve pipe 300 is by casing joint 400 and connecting tube
One end of 200 connects, and the other end of connecting tube 200 connects has first with three-way valve 500 to be connected end
510 connect.
The present invention reverse shunt tube difference from prior art is that the reverse shunt tube of the present invention is by described
Casing joint and three-way valve can be safer by pipeline connecting mode, and by the parcel blood of sleeve pipe
Pipe interpolation pipe is so that space outerpace is more difficult to touch intravascular catheter, thus avoids outside antibacterial to infect micro-
The affected part of wound.
Preferably, the second connection end 520 of described three-way valve 500 is pin thread interface, three-way valve 500
The 3rd connection end 530 be box interface.
Wherein, described pin thread is external screw thread, and box is female thread.
In the present invention, due to the kinetic pump (artificial heart) of ECMO equipment, oxygenator (artificial lung),
The joint of the pipeline of oxygen supplying tube is pin thread, and traditional three-way valve 500 is also pin thread, in tradition
Connected mode in, if pin thread and pin thread docking, need to utilize the adaptor of double boxes.And
In medical procedure, the adaptor of double boxes can increase the possibility of infection, therefore uses a pin thread interface, a mother
Snapping mouth can adaptive ECMO equipment.
Seeing Fig. 6, the outer circumference surface of described intravascular catheter 100 is provided with the boss 110 that cross section is arc,
Described casing joint 400 offers chuck 410, and described chuck 410 is close with the boss 110 of described arc
Envelope clamping.
Wherein as human vas and extraneous junction, the boss 100 of arc and the clamping of chuck 310
The interference fit with chuck of the boss of available arc, increases sealing property, it is to avoid extraneous antibacterial, sky
The infection of gas.
The operational approach of the reverse shunt tube of the present invention, comprises the steps: described intravascular catheter 100
It is axially inserted into casing joint 400 along it, causes boss 110 and the clamping of described chuck 410 of described arc；
With the outer end of the inner periphery of described chuck 410 as fulcrum, the vertical axis with described intravascular catheter 100
Press one end of pressure intravascular catheter 100, cause described chuck 410 to depart from, then with described boss 110
Intravascular catheter 100 is extracted from casing joint 400.
When needing to extract intravascular catheter 100 and need situation about being left to remain in blood vessels by described sleeve pipe 300
Under, owing to intravascular catheter 100, sleeve pipe 300 are all inserted in Ink vessel transfusing, by intravascular catheter 100 from
When blood vessel is extracted out, need certain axial tension, described boss 110 could be pulled out from chuck 410
Go out.Said process extremely easily injures blood vessel because of shake.
Therefore use the operational approach of the present invention can extract intravascular catheter leggiero, thus reduce patient's blood vessel
Injury, even avoid the generation of internal hemorrhage.
As it is shown on figure 3, be provided with between the inner peripheral surface of described chuck 410 and described intravascular catheter 100
Sealing ring 120, the outer circumference surface of described sealing ring 120 is fixing with chuck 410, described sealing ring 120
Turning down at least twice with the folding line of radial direction, preferably sealing ring 120 turns down 12 times, described 12 times
Turn down the axis along sealing ring 120 to be uniformly distributed.Certainly, it can be also the folding line of camber line.
The present invention utilizes the sealing ring 120 of above-mentioned turnover, it is possible to make sealing ring 120 can inwardly clamp blood
Pipe interpolation pipe 100, both ensure that the relative movement between intravascular catheter 100 and sealing ring 120, again
Ensure that sealing property.If the folding line of camber line, then the circumference that can better adapt to intravascular catheter is bent
Line, thus preferably wrap up the outer circumference surface of intravascular catheter 100.
Certainly, the another kind of structure of the sealing ring 120 of the present invention can be also:
As shown in Figure 4, it is provided with between inner peripheral surface and the described intravascular catheter 100 of described chuck 410
Sealing ring 120, the outer circumference surface of described sealing ring 120 is fixing with chuck 410, described sealing ring 120
There to be the folding line of angle to turn down at least twice with radial direction, preferably sealing ring 120 turns down 12 times, institute
State the axis turned down along sealing ring 120 12 times to be uniformly distributed.Described broken line with the angle of radial direction is
30°.Certainly, it can be also the folding line of camber line.
The present invention utilizes the sealing ring 120 of above-mentioned turnover, it is possible to make sealing ring 120 can inwardly clamp blood
Pipe interpolation pipe 100, both ensure that the relative movement between intravascular catheter 100 and sealing ring 120, again
Ensure that sealing property.If the folding line of camber line, then the circumference that can better adapt to intravascular catheter is bent
Line, thus preferably wrap up the outer circumference surface of intravascular catheter 100.Wherein, tilt with radial direction
30 ° of outer circumference surfaces that can preferably wrap up intravascular catheter 100, thus improve sealing property further.
As illustrated in fig. 1 and 2, described three-way valve 500 includes threeway body 501, changeover valve 540 and
Handle 550, described changeover valve 540 is rotatably arranged in the Hui Liuchu of threeway body 501, described turn
Connect valve 540 and be provided with three through holes, described three through holes just to the first of threeway body 501 the connection end 510, the
Two connect end the 520, the 3rd connects end 530, and the inwall of described three through holes 541 is provided with permanent magnet coating.
Described permanent magnet ferrum coating can help to remove the impurity in blood.
Described sleeve pipe 300 includes that multiple sleeve (not shown) arranged in animal housing shape is constituted,
Described sleeve includes end pipe and package；
For end pipe bottom described sleeve pipe 300, described end pipe is round table-like, the periphery that end pipe external diameter is bigger
With with fixing break-through body, the upper superposition of end pipe is set with multiple packages, is positioned at sleeve pipe in the plurality of package
Package external diameter in the middle part of in the of 300 is relatively big, and the package external diameter being positioned at sleeve pipe 300 two ends in multiple packages is less,
The side of end pipe is connected by rubber hose with the outer circumference surface of the package on the upside of it；
Described package is by including the first taper sheath and the second taper sheath from top to bottom, on described first taper sheath
Side external diameter is less than downside external diameter, and on the upside of the second taper sheath, external diameter is more than downside external diameter, on the downside of the first taper sheath
External diameter and the second taper sheath on the upside of external diameter identical, solid with the second taper sheath top bottom the first taper sheath
Fixed, package is provided with axially extending bore, offers the first round platform hole, described first round platform hole bottom described package
Connect with the axially extending bore of package, the internal diameter of the axially extending bore of the internal diameter on the upside of the first round platform hole and package
Identical, in package axial cross section, the side lines in the first round platform hole and the side lines of the first taper sheath are parallel；
Multiple package it is set with the most successively on described package, the first taper sheath of downside package
It is connected by rubber hose between side with the lower edge of the second taper sheath of upside package, described rubber hose
Axis circumference along package is uniformly distributed multiple；
When two packages stretch the most round about, the package of upside and the package of downside pass through rubber
Hose connection；
During when two packages rubber hose mutually the most round about and by radial force, bottom the package of upside the
Along upper any and the most mutual support on the package of downside or end pipe upper side, institute under one round platform hole
The circumferential opposite side of any stating mutually support is spacing by rubber hose.
The present invention can make described sleeve pipe 300 to bend by said structure constrainedly, thus avoids
Phenomenon because of the blood vessel blocking that pipeline bending causes.
The upper end of described thimble, lower end are respectively equipped with electric magnet, lower electromagnet.
Reversely the operational approach of shunt tube comprises the steps:
Step1, by the upper electric magnet of described thimble, lower electromagnet energising, make electric magnet, lower electromagnet
Magnetic induction line direction is identical, thus pulls open the distance of the plurality of thimble；
Step2, after described rubber hose is static, change lower electromagnet the sense of current, make electric magnet,
Lower electromagnet magnetic induction line is in opposite direction, thus described rubber hose is clipped between multiple thimble；
Step3, in described sleeve pipe 300, pour solution by described connecting tube 200.
The rubber hose that present invention utilization is stuck between thimble is to block blood vessel, thus effectively removes thrombosis,
And hinder the vasotropic downstream flow of thrombosis.
As it is shown in figure 5, the duct of described three through holes 541 of described three-way valve 500 is waveform, institute
State between the aperture D of corrugated three through holes 541 and the crest of corrugated three through holes 541, trough
Between distance L, relation is: D < L/3.Preferably, D=L/10.Described waveform is sine-shaped wave.
The present invention utilizes above-mentioned corrugated three through holes 541 gas in three through holes can be stored in crest
Place, thus prevent the air in three through holes 541 from flowing into blood vessel, the possibility avoided infection further.
It is provided with permanent magnet coating at the crest of described three through holes 541, sets at the trough of described tee T 541
Active carbon coating.
Utilize permanent magnet coating at crest in the present invention, thus separate the impurity in three through holes 541, and
And adsorbed by activated carbon coating by the isolated impurity being positioned at trough, thus purify three through holes
Fluid in 541.
See Fig. 7, at the crest of described corrugated three through holes 541, be provided with delivery pipe 543, described discharge
Pipe 543 port is provided with the non-return valve 600 that can only transmit, described non-return valve towards the direction away from trough
600 include round platform mouth 610, ball sealer 620, spring, the less one end of described round platform mouth 610 diameter with
Described delivery pipe 543 connects, outside one end that round platform mouth 610 is relatively large in diameter is with described three-way valve 500
Surface connects, and is provided with spring between one end and ball sealer 620 that described round platform mouth 610 is relatively large in diameter.
Three through holes 541 of the present invention further by the air storage in liquid in delivery pipe 543, and
The non-return valve 600 of the port of delivery pipe 543 can be got rid of air lentamente and not allowed by spring
Liquid flows out.
Preferably, described non-return valve 600 is 26.6kPa towards the sealing threshold value in the direction away from trough, i.e.
200mmHg。
It is provided with described sealing ring 120, between described ball sealer 620 and the side of round platform mouth 610 in figure not
Illustrate.
The threshold value of non-return valve 600 is set to 26.6kPa by the present invention, i.e. 200mmHg.It is thus possible to outside
When boundary's artificial heart carries out blood supply, blood supply maximum pressure is limited, thus ensure medical treatment peace further
Entirely, it is to avoid the generation of malpractice.
Embodiment described above is only to be described the preferred embodiment of the present invention, not to this
The scope of invention is defined, on the premise of designing spirit without departing from the present invention, and ordinary skill
Various deformation that technical scheme is made by personnel and improvement, all should fall into the claims in the present invention
In the protection domain that book determines.
Claims (10)
1. a reverse shunt tube, including intravascular catheter (100) and connecting tube (200), its feature
It is: also include sleeve pipe (300), casing joint (400), three-way valve (500), described blood vessel
Being set with sleeve pipe (300) outside interpolation pipe (100), described sleeve pipe (300) passes through casing joint (400)
Being connected with one end of connecting tube (200), the other end of connecting tube (200) connects to be had and three-way valve (500)
First connection end (510) connect.
Reverse shunt tube the most according to claim 2, it is characterised in that: described three-way valve (500)
Second connection end (520) be pin thread interface, three-way valve (500) the 3rd connection end (530) be
Box interface.
Reverse shunt tube the most according to claim 2, it is characterised in that: described intravascular catheter
(100) outer circumference surface is provided with the boss (110) that cross section is arc, and described casing joint (400) is opened
Being provided with chuck (410), described chuck (410) seals clamping with the boss (110) of described arc.
4. utilize the operational approach of reverse shunt tube described in claim 3, it is characterised in that include as follows
Step: along it, described intravascular catheter (100) is axially inserted into casing joint (400), causes described
The boss (110) of arc and described chuck (410) clamping；With the inner periphery of described chuck (410)
Outer end is fulcrum, and the vertical axis with described intravascular catheter (100) presses pressure intravascular catheter (100)
One end, cause described chuck (410) and described boss (110) to depart from, thus extract blood vessel interpolation
Pipe (100).
Reverse shunt tube the most according to claim 3, it is characterised in that: described chuck (410)
Inner peripheral surface and described intravascular catheter (100) between be provided with sealing ring (120), described sealing ring
(120) outer circumference surface is fixed with chuck (410), and described sealing ring (120) is with the folding of radial direction
Trace turns down at least twice.
Reverse shunt tube the most according to claim 3, it is characterised in that: described chuck (410)
Inner peripheral surface and described intravascular catheter (100) between be provided with sealing ring (120), described sealing ring
(120) outer circumference surface is fixed with chuck (410), and described sealing ring (120) is to have with radial direction
The folding line of angle turns down at least twice, and described angle is 30 °.
7. according to the reverse shunt tube described in claim 5 or 6, it is characterised in that: described three-way valve
(500) threeway body (501), changeover valve (540) and handle (550), described changeover valve are included
(540) being rotatably arranged in the Hui Liuchu of threeway body (501), described changeover valve (540) is provided with
Three through holes (541), described three through holes just to the first of threeway body (501) the connection end (510), the
Two connect end (520), the 3rd connection end (530), and the inwall of described three through holes (541) is provided with permanent magnetism
Ferrum coating.
Reverse shunt tube the most according to claim 1, it is characterised in that: described sleeve pipe (300)
Constituting including multiple sleeves arranged in animal housing shape, described sleeve includes end pipe and package；
Described sleeve pipe (300) bottom is end pipe, and described end pipe is round table-like, the circumference that end pipe external diameter is bigger
Face with fixing break-through body, the upper superposition of end pipe is set with multiple packages, is positioned at set in the plurality of package
The package external diameter at pipe (300) middle part is relatively big, the package being positioned at sleeve pipe (300) two ends in multiple packages
External diameter is less, and the side of end pipe is connected by rubber hose with the outer circumference surface of the package on the upside of it；
Described package is by including the first taper sheath and the second taper sheath from top to bottom, on described first taper sheath
Side external diameter is less than downside external diameter, and on the upside of the second taper sheath, external diameter is more than downside external diameter, on the downside of the first taper sheath
External diameter and the second taper sheath on the upside of external diameter identical, solid with the second taper sheath top bottom the first taper sheath
Fixed, package is provided with axially extending bore, offers the first round platform hole, described first round platform hole bottom described package
Connect with the axially extending bore of package, the internal diameter of the axially extending bore of the internal diameter on the upside of the first round platform hole and package
Identical, in package axial cross section, the side lines in the first round platform hole and the side lines of the first taper sheath are parallel；
Multiple package it is set with the most successively on described package, the first taper sheath of downside package
It is connected by rubber hose between side with the lower edge of the second taper sheath of upside package, described rubber hose
Axis circumference along package is uniformly distributed multiple；
When two packages stretch the most round about, the package of upside and the package of downside pass through rubber
Hose connection；
During when two packages rubber hose mutually the most round about and by radial force, bottom the package of upside the
Along upper any and the most mutual support on the package of downside or end pipe upper side, institute under one round platform hole
The circumferential opposite side of any stating mutually support is spacing by rubber hose.
Reverse shunt tube the most according to claim 8, it is characterised in that: the upper end of described thimble,
Lower end is respectively equipped with electric magnet, lower electromagnet.
The operational approach of reverse shunt tube the most according to claim 9, it is characterised in that include as
Lower step:
Step1, by the upper electric magnet of described thimble, lower electromagnet energising, make electric magnet, lower electromagnet
Magnetic induction line direction is identical, thus pulls open the distance of the plurality of thimble；
Step2, after described rubber hose is static, change lower electromagnet the sense of current, make electric magnet,
Lower electromagnet magnetic induction line is in opposite direction, thus described rubber hose is clipped between multiple thimble；
Step3, solution will be poured in described sleeve pipe (300).
Preferably, the duct of described three through holes (541) of described three-way valve (500) is waveform,
The aperture D of described corrugated three through holes (541) and the crest of corrugated three through holes (541), ripple
Between distance L between paddy, relation is: D < L/3；
Preferably, it is provided with delivery pipe (543), institute at the crest of described corrugated three through holes (541)
State delivery pipe (543) port and be provided with the non-return valve (600) that can only transmit towards the direction away from trough,
Described non-return valve (600) includes round platform mouth (610), ball sealer (620), spring, described round platform
One end that mouth (610) diameter is less is connected with described delivery pipe (543), and round platform mouth (610) diameter is relatively
Big one end is connected with the outer surface of described three-way valve (500), and described round platform mouth (610) diameter is relatively
Spring, described ball sealer (620) and round platform mouth (610) it is provided with between big one end and ball sealer (620)
Side between be provided with described sealing ring (120)；
Preferably, described non-return valve (600) is 26.6kPa towards the sealing threshold value in the direction away from trough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610236638.4A CN105854102B (en) | 2016-04-15 | 2016-04-15 | Reverse shunt tube and its operating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610236638.4A CN105854102B (en) | 2016-04-15 | 2016-04-15 | Reverse shunt tube and its operating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105854102A true CN105854102A (en) | 2016-08-17 |
| CN105854102B CN105854102B (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610236638.4A Expired - Fee Related CN105854102B (en) | 2016-04-15 | 2016-04-15 | Reverse shunt tube and its operating method |
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| Country | Link |
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| CN (1) | CN105854102B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3774604A (en) * | 1971-01-28 | 1973-11-27 | Demeco Medical Products Ab | Infusion cannula assembly |
| CN201200455Y (en) * | 2008-05-16 | 2009-03-04 | 吕晓明 | Y type arteriopuncture trocars with guide wire for preventing blood spraying externally |
| CN102178570A (en) * | 2011-04-30 | 2011-09-14 | 中国人民解放军第三军医大学第三附属医院 | Temporary body surface flow turning device for arterial embolism |
| CN202052107U (en) * | 2011-04-30 | 2011-11-30 | 中国人民解放军第三军医大学第三附属医院 | Temporary blood shunting device for body surface artery |
| CN202654521U (en) * | 2012-02-13 | 2013-01-09 | 北京迪玛克医药科技有限公司 | Medical vessel sheath |
| WO2014033209A1 (en) * | 2012-08-29 | 2014-03-06 | Euromi S.A. | Apparatus for extracting and re-injecting adipose tissue |
-
2016
- 2016-04-15 CN CN201610236638.4A patent/CN105854102B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3774604A (en) * | 1971-01-28 | 1973-11-27 | Demeco Medical Products Ab | Infusion cannula assembly |
| CN201200455Y (en) * | 2008-05-16 | 2009-03-04 | 吕晓明 | Y type arteriopuncture trocars with guide wire for preventing blood spraying externally |
| CN102178570A (en) * | 2011-04-30 | 2011-09-14 | 中国人民解放军第三军医大学第三附属医院 | Temporary body surface flow turning device for arterial embolism |
| CN202052107U (en) * | 2011-04-30 | 2011-11-30 | 中国人民解放军第三军医大学第三附属医院 | Temporary blood shunting device for body surface artery |
| CN202654521U (en) * | 2012-02-13 | 2013-01-09 | 北京迪玛克医药科技有限公司 | Medical vessel sheath |
| WO2014033209A1 (en) * | 2012-08-29 | 2014-03-06 | Euromi S.A. | Apparatus for extracting and re-injecting adipose tissue |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105854102B (en) | 2018-04-06 |
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Effective date of registration: 20190203 Address after: 100037 Beijing Xicheng District Gate No. 7103, 7th Gate, 77 Floor, Beilishi Road Co-patentee after: Ru Leisheng Patentee after: Dong Peng Address before: 100037 No. 7103, 7th Gate, 77/F, Beilishi Road, Xicheng District, Beijing Patentee before: Dong Peng |
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