CN101569766A - Membrane oxygenator - Google Patents
Membrane oxygenator Download PDFInfo
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- CN101569766A CN101569766A CNA2008100277038A CN200810027703A CN101569766A CN 101569766 A CN101569766 A CN 101569766A CN A2008100277038 A CNA2008100277038 A CN A2008100277038A CN 200810027703 A CN200810027703 A CN 200810027703A CN 101569766 A CN101569766 A CN 101569766A
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Abstract
The invention relates to the technical field of medical appliance products, in particular to a membrane oxygenator which comprises a blood storage room, a temperature change room and an oxygenating room, wherein an upper connecting rack is arranged below the blood storage room; the temperature change room and the oxygenating room are fixedly connected through a lower connecting rack; the upper connecting rack and the lower connecting rack are buckled and matched with each other; and the temperature change room and the oxygenating room are communicated through a pipeline connecting device. The integral structure of the membrane oxygenator can be disassembled and can be assembled conveniently and stably. In addition, a venous blood drainage nozzle and an absorption nozzle on the blood storage room can be independently rotated at 360 degrees so as to be convenient for connecting a flexible pipe and can reduce the precharge quantity of blood. The structure of the oxygenating room can prevent the phenomenon of blood bubbles, and the pipeline connecting device adopted by the temperature change room and the oxygenating room can shorten the length of a connecting pipeline so as to ensure that a cavity space of the connecting pipeline is reduced, thus, the precharge quantity of the blood can be reduced.
Description
Technical field:
The present invention relates to the medical device product technical field, refer in particular to a kind of membrane oxygenator.
Background technology:
ECMO is mainly used in in the operation on heart enforcement as a kind of medical skill.This technology can short-term substitute cardiopulmonary fully, to implement open heart operations.Its principle is with outside the intravital venous blood lead body, through injecting patient artery or Venous system behind the special substance artificial heart-lung bypass oxygenate, plays part cardiopulmonary vicarious function, keeps human internal organ tissue oxygenation blood and supplies.
Usually to use oxygenator in this technology.Its function is that non-oxygenated blood oxygenate is become oxygenated blood, is artificial lung again.Oxygenator generally includes two kinds of membrane oxygenator and doughnut oxygenators.Wherein, because the membrane oxygenator compatibility is good, rare blood plasma seepage, blood constituent destroys little, is fit to long-time plurality of advantages such as auxiliary and is widely adopted.
Usually membrane oxygenator comprises: have the blood storage chamber of memory function, the temperature-changing chamber with adjusting blood heat and oxygenation chamber and constitute.
Blood storage chamber is a cavity that is used for storing blood, and it is provided with a little drain mouths of vein, some attraction mouths, blood outlet.Venous blood flows in the blood storage chamber by the drain mouth is set, and flows out by blood outlet.And attract mouth to can be used for the circulation of oxygenator inner blood, gas.
Temperature-changing chamber is used for the temperature of blood is regulated, and for example when operation, temperature can be reduced, and after operation is finished, blood heat is heightened again.What it adopted is water-cooling pattern, and by circulation water the blood heat of flowing through is regulated.
The function of oxygenation chamber just is that non-oxygenated blood oxygenate becomes oxygenated blood.
There is certain defective in the present membrane oxygenator:
One, for the blood storage chamber dioxy, in traditional membrane oxygenator: drain mouth in the blood storage chamber, to attract mouth be fixed structure, and it exists the interface direction not corresponding when hose connection sometimes, just need turn around flexible pipe this moment, makes hose connection to drain mouth or specified attraction mouth.So just produce a problem, when turning around flexible pipe, the flexible pipe of coiling not only forms yoke easily, and has increased the use length of flexible pipe, makes the pre-momentum of oxygenator blood increase virtually.In addition, flexible pipe is reeled to insert corresponding interface, inconvenient in the operation.
Two, in the traditional membrane oxygenator: oxygenation chamber and temperature-changing chamber are to adopt integrative-structure, perhaps adopt molding respectively, are connected to form then.For adopting the oxygenation chamber and the temperature-changing chamber of molding mode respectively, during use, the two must be coupled together by pipeline, and there is following shortcoming in the pipeline connected mode that adopts at present:
1, the cavity space of connecting pipe is bigger, and it is more to cause being placed in the interior blood of this connecting pipe, thereby causes the priming volume of blood to increase.
2, the pipe connecting structure that adopts at present, its connection procedure is comparatively loaded down with trivial details, and is not easy to operate.
Three, present membrane oxygenator is in the oxygenate exchange process, if the fibrous membrane pipe breaks in the oxygenation chamber, then the interior gas of fibrous membrane pipe will be revealed, and sneaks in the blood in the fibrous membrane ligament.So just cause and form bleeding blister in the blood.For preventing that the patient from importing the blood that has gas, follow-up must the processing bleeding blister so just increases operation sequence.
Summary of the invention:
Technical problem to be solved by this invention is to overcome the existing deficiency of present product exactly, provide a kind of simple in structure, stable, and the pre-momentum of blood is little, in the easy to use and reliable membrane oxygenator.
For solving the problems of the technologies described above, the present invention has adopted following technical scheme: the present invention includes: blood storage chamber, temperature-changing chamber and oxygenation chamber, the blood storage chamber below is provided with link on, and temperature-changing chamber is fixedlyed connected by following link with oxygenation chamber, and last link is clasped with following link; Be communicated with by assembling pipe joint between temperature-changing chamber and the oxygenation chamber.
Described assembling pipe joint comprises: be separately positioned on interior pipe, outer tube on temperature-changing chamber and the oxygenation chamber, wherein outer tube sleeve is located on the interior pipe, and by a thread bush interior pipe is connected with outer tube.
Pipe is arranged on the oxygenation chamber in described, and described outer tube is arranged on the temperature-changing chamber, and perhaps described interior pipe is arranged on the temperature-changing chamber, and described outer tube is arranged on the oxygenation chamber, and pipe is the conical pipe that cooperatively interacts with the outer tube socket part in described.
Described thread bush is sheathed on the interior pipe, and by the flange of molding on the interior pipe thread bush is defined on the interior pipe, and outer tube inserts between interior pipe and the thread bush, and the outer tube outer rim forms the external screw thread that is threaded with thread bush formation.
The blood storage chamber main body is a chamber that is used for storage of blood, and chamber is provided with venous blood drain mouth and the some attraction mouths that is communicated with the chamber inner chamber, described venous blood drain mouth, attracts mouth to be rotatably connected on chamber.
Rotatable on the described chamber upper end cover rotating disk is installed, described attraction mouth is arranged at rotating disk circumference side, and described cover venous blood drain mouth is arranged at center, rotating disk upper surface, and adopts rotating pin-jointed structure between itself and the rotating disk.
Described temperature-changing chamber has a blood inlet, a blood outlet, and blood is entered in the temperature-changing chamber by blood inlet, is flowed out by blood outlet; Also be provided with water circle device in the temperature-changing chamber, water inlet and outlet are arranged at temperature-changing chamber bottom, and alternating temperature water is entered by water inlet and in the temperature-changing chamber blood cooled off or heat, and is flowed out by outlet then.
The hollow fiber film tube that described oxygenation chamber comprises chamber and is positioned at chamber, this chamber top are provided with into the oxygen mouth, go into blood mouth, circulating exhaust mouth, and this chamber bottom is provided with outlet nozzle, blood outlet; Chamber comprises: superposed inlet plenum, the switch room that is positioned at the middle part and the discharge chamber that is positioned at the bottom; The fibrous membrane pipe is positioned at the switch room, and its two ends are formed with encapsulation, so that gas passage and blood channel are isolated.
Described chamber is advanced the oxygen mouth and is arranged on the inlet plenum; Outlet nozzle is arranged on the discharge chamber; Going into blood mouth, circulating exhaust mouth and blood outlet is arranged in the switch room; Wherein, advancing the oxygen mouth is communicated with outlet nozzle by hollow fiber film tube; Going into blood mouth, circulating exhaust mouth and blood outlet is communicated with by the gap between hollow fiber film tube; Pass the fibrous membrane pipe by advancing the oxygen that the oxygen mouth enters, pass oxygen oxygenate in gap between the fibrous membrane pipe and the fibrous membrane pipe by going into blood that the blood mouth enters, and flowed out by blood outlet, the carbon dioxide of discharging behind the oxygenate is discharged by outlet nozzle.
In sum, the present invention has following advantage:
1, overall structure is detachable structure, and is easy to assembly, and structure is firm.
2, blood storage chamber upper vein blood drain mouth, attract mouth all can realize independent 360 degree rotations, be convenient to hose connectionly, and can reduce the blood priming amount.
3, the structure of oxygenation chamber can prevent the generation of bleeding blister phenomenon.
4, the assembling pipe joint of temperature-changing chamber and oxygenation chamber employing can shorten the length of connecting pipe, thereby makes the cavity space of connecting pipe reduce, and so just can reduce the priming volume of blood.
Description of drawings:
The present invention is further illustrated below in conjunction with accompanying drawing:
Fig. 1 is a three-dimensional structure diagram of the present invention;
Fig. 2 is the vertical view of blood storage chamber of the present invention;
Fig. 3 is the axonometric chart of oxygenation chamber of the present invention;
Fig. 4 is the internal structure cutaway view of oxygenation chamber of the present invention;
Fig. 5 is a sketch map under the connecting device not-connected status of the present invention;
Fig. 6 is the sketch map under the connecting device connection status of the present invention.
The specific embodiment:
See Fig. 1, this is the structural representation of membrane oxygenator of the present invention, the present invention includes: have blood storage chamber 1, the oxygenation chamber 3 of memory function and have temperature-changing chamber 2 formations of regulating blood heat.Wherein, be communicated with by assembling pipe joint 4 between temperature-changing chamber 2 and the oxygenation chamber 3.
Referring to Fig. 1,2, blood storage chamber 1 main body is a chamber 10 that is used for storage of blood, and chamber 10 is provided with venous blood drain mouth 11 and the some attraction mouths 12 that is communicated with chamber 1 inner chamber.Wherein, turn on chamber 10 upper end covers a rotating disk 14 is installed, described attraction mouth 12 is arranged at rotating disk 14 circumference sides.Venous blood drain mouth 11 is arranged at center, rotating disk 14 upper surface, and adopts rotating pin-jointed structure between itself and the rotating disk 14.Be provided with some dosing mouths 13 in rotating disk 14 upper surfaces.
Among the present invention, rotating disk 14 can adopt axis hole cutting ferrule mode to be installed on the upper end cover of chamber 10.In like manner, venous blood drain mouth 11 also can adopt axis hole cutting ferrule mode to be installed on the rotating disk 14.Like this, drain mouth 11, rotating disk 14 can be distinguished independent rotation, and can not produce mutual interference.
During use, these interfaces can be rotated to a suitable angle and hose connection.So, not only easy to use, flexible, be convenient to hose connectionly, and owing to be used to connect the interface of flexible pipe and can independently rotate by any direction, so can reduce flexible pipe use length, the blood priming amount is less.
Be provided with link 16 on a blood outlet 15 and below the blood storage chamber 1.Blood outlet 15 is communicated with chamber 10, and the blood of chamber 10 storages is flowed out by blood outlet 15.Last link 16 is provided with and chamber 10 belows, and its housing with chamber 10 is solidified as a whole, and link 16 is used to connect temperature-changing chamber 2 and oxygenation chamber 3 on this.
Be communicated with by assembling pipe joint 4 between temperature-changing chamber 2 and the oxygenation chamber 3, and temperature-changing chamber 2 and oxygenation chamber 3 are fixed together by link 5 down.This time link 5 is positioned at temperature-changing chamber 2 and oxygenation chamber 3 tops, and assembling pipe joint 4 is communicated with temperature-changing chamber 2 with oxygenation chamber 3.To connect steadiness between the two in order strengthening, also be connected with connection strap 6 between temperature-changing chamber 2 and oxygenation chamber 3, this connection strap 6 is adhesively fixed temperature-changing chamber 2 and oxygenation chamber 3.
Temperature-changing chamber 2 has a blood inlet 21, a blood outlet 22, and blood is entered in the temperature-changing chamber 2 by blood inlet 21, is flowed out by blood outlet 22.Also be provided with water circle device in the temperature-changing chamber 2, water inlet 23 is arranged at temperature-changing chamber 2 bottoms with outlet 24, and alternating temperature water is entered by water inlet 23 and in the temperature-changing chamber 2 blood cooled off or heat, and is flowed out by outlet 24 then.
See Fig. 3,4, the hollow fiber film tube 30 that oxygenation chamber 3 comprises chamber and is positioned at chamber.This chamber top is provided with into oxygen mouth 36, goes into blood mouth 34, circulating exhaust mouth 38.This chamber bottom is provided with outlet nozzle 37, blood outlet 35.Chamber comprises: superposed inlet plenum 31, the switch room 32 that is positioned at the middle part and the discharge chamber 33 that is positioned at the bottom.Fibrous membrane pipe 30 is positioned at switch room 32, and its two ends are formed with encapsulation 301, so that gas passage and blood channel are isolated.
Advancing oxygen mouth 36 is arranged on the inlet plenum 31; Outlet nozzle 37 is arranged on the discharge chamber 33.Going into blood mouth 34, circulating exhaust mouth 38 and blood outlet 35 is arranged in the switch room 32.Wherein, advancing oxygen mouth 36 is communicated with outlet nozzle 37 by hollow fiber film tube 30.Go into the gap connection of blood mouth 34, circulating exhaust mouth 38 and blood outlet 35 by 30 of hollow fiber film tubes.Pass fibrous membrane pipe 30 by advancing the oxygen that oxygen mouth 36 enters, by going into oxygen oxygenate in gap that blood that blood mouth 34 enters passes 30 of fibrous membrane pipes and the fibrous membrane pipe, and flowed out by blood outlet 35, the carbon dioxide of discharging behind the oxygenate is discharged by outlet nozzle 37.
See Fig. 4, when oxygenation chamber 3 used, at first, oxygen entered in the inlet plenum 31 by advancing oxygen mouth 36, and enters in the hollow fiber film tube 30.Simultaneously, venous blood enters into switch room 32 by going into blood mouth 34, and blood passes the gap and the interior oxygen oxygenate of fibrous membrane pipe of 30 of fibrous membrane pipes.Blood behind the oxygenate will flow out by blood outlet 35.And the carbon dioxide of discharging behind the oxygenate will enter discharge chamber 33, and be discharged by outlet nozzle 37.
After fibrous membrane pipe 30 broke, the gases in the fibrous membrane pipe 30 entered leakage in the blood, because gas is little than density of blood, it will float, and the blood of oxygenate after finishing has by blood outlet 35 outflows that are positioned at the below, so just realized gas, blood system from.And the gas of come-up will be discharged by circulating exhaust mouth 39, has so just effectively avoided the generation of bleeding blister phenomenon.
See Fig. 5,6, assembling pipe joint 4 comprises: be separately positioned on interior pipe 41, outer tube 42 on temperature-changing chamber 2 and the oxygenation chamber 3, and wherein interior pipe 41 blood outlets 22 as temperature-changing chamber 2, and outer tube 42 is as the blood inlet 34 of oxygenation chamber 3.Manage on 41 in outer tube 42 is sheathed on, and interior pipe 41 is connected with outer tube 42 by a thread bush 43.Wherein, on the pipe 41, its inside formed female thread 432, and is formed with a flange 431 at an end of thread bush 43 in thread bush 43 was sheathed on, on interior pipe 41, also form a flange 411, thread bush 43 is defined on the interior pipe 41 by this flange 411 and the staggered of flange 431 formation.Outer tube 42 inserts between interior pipe 41 and the thread bush 43, and outer tube 42 outer rims form the external screw thread 421 that is threaded with thread bush 43 formation.
Combine closely with outer tube 42 socket part in order to ensure interior pipe 41, the slit can not occur cooperating.Pipe socket part 412 is mutual corresponding conical pipe with outer tube socket part 422 among the present invention.When interior pipe socket part 412 is inserted in the outer tube socket part 422, just can form and combine closely like this.And if adopt cylindrical tube to cooperatively interact, closely cooperate if will form, processing precision of products must reach higher level, and this has just improved production cost, and cooperates seal also to be difficult to ensure.Simultaneously, rotation thread bush 43 makes thread bush 43 and external screw thread 421 on the outer tube 42 form and is threaded in outer tube socket parts 422 are inserted in interior pipe socket part 412, prevents from interiorly to manage 41 and separate with outer tube 42.
The present invention is owing to adopt technique scheme, and the connecting pipe between interior pipe 41 and the outer tube 42 just forms and closely cooperates, and the slit can not occur.In addition, because the interior pipe 41, the outer tube 42 that are separately positioned on temperature-changing chamber 2 and the oxygenation chamber 3 adopt the socket mode, so just shorten the length of connecting pipe, thereby made the cavity space of connecting pipe reduce, so just can reduce the priming volume of blood.
Certainly, the above is an example of the present invention only, is not to limit the scope of the present invention, and all equivalences of doing according to the described structure of the present patent application claim, feature and principle change or modify, and all should be included in the present patent application claim.
Claims (9)
1, a kind of membrane oxygenator, it comprises: blood storage chamber (1), temperature-changing chamber (2) and oxygenation chamber (3), it is characterized in that: blood storage chamber (1) below is provided with link on (16), temperature-changing chamber (2) is fixedlyed connected by following link (5) with oxygenation chamber (3), and last link (16) is clasped with following link (5); Be communicated with by assembling pipe joint (4) between temperature-changing chamber (2) and the oxygenation chamber (3).
2, a kind of membrane oxygenator according to claim 1, it is characterized in that: described assembling pipe joint (4) comprising: be separately positioned on interior pipe (41), outer tube (42) on temperature-changing chamber (2) and the oxygenation chamber (3), its middle external tube (42) is sheathed on the interior pipe (41), and by a thread bush (43) interior pipe (41) is connected with outer tube (42).
3, a kind of membrane oxygenator according to claim 2, it is characterized in that: pipe (41) is arranged on the oxygenation chamber (3) in described, described outer tube (42) is arranged on the temperature-changing chamber (2), pipe (41) is arranged on the temperature-changing chamber (2) in perhaps described, described outer tube (42) is arranged on the oxygenation chamber (3), and pipe (41) is the conical pipe that cooperatively interacts with outer tube (42) socket part in described.
4, a kind of membrane oxygenator according to claim 3, it is characterized in that: described thread bush (43) is sheathed on the interior pipe (41), and the flange (411) of going up molding by interior pipe (41) is defined in thread bush (43) on the interior pipe (41), manage between (41) and the thread bush (43) in outer tube (42) inserts, and outer tube (42) outer rim forms the external screw thread (421) that is threaded with thread bush (43) formation.
5, according to any described a kind of membrane oxygenator among the claim 1-4, it is characterized in that: blood storage chamber (1) main body is a chamber (10) that is used for storage of blood, and chamber (10) is provided with venous blood drain mouth (11) and the some attraction mouths (12) that is communicated with chamber (1) inner chamber, and described venous blood drain mouth (11), attraction mouth (12) are rotatably connected on chamber (10).
6, a kind of membrane oxygenator according to claim 5, it is characterized in that: the rotatable rotating disk (14) that is equipped with on described chamber (10) upper end cover, described attraction mouth (12) is arranged at rotating disk (14) circumference side, described cover venous blood drain mouth (11) is arranged at rotating disk (14) center, upper surface, and adopts rotating pin-jointed structure between itself and the rotating disk (14).
7, a kind of membrane oxygenator according to claim 6 is characterized in that: described temperature-changing chamber (2) has a blood inlet (21), a blood outlet (22), and blood is entered in the temperature-changing chamber (2) by blood inlet (21), is flowed out by blood outlet (22); Temperature-changing chamber also is provided with water circle device in (2), and water inlet (23) and outlet (24) are arranged at temperature-changing chamber (2) bottom, and alternating temperature water is entered by water inlet (23) and in the temperature-changing chamber (2) blood cooled off or heat, and is flowed out by outlet (24) then.
8, a kind of membrane oxygenator according to claim 5, it is characterized in that: the hollow fiber film tube (30) that described oxygenation chamber (3) comprises chamber and is positioned at chamber, this chamber top is provided with into oxygen mouth (36), goes into blood mouth (34), circulating exhaust mouth (38), and this chamber bottom is provided with outlet nozzle (37), blood outlet (35); Chamber comprises: superposed inlet plenum (31), the switch room (32) that is positioned at the middle part and the discharge chamber (33) that is positioned at the bottom; Fibrous membrane pipe (30) is positioned at switch room (32), and its two ends are formed with encapsulation (101), so that gas passage and blood channel are isolated.
9, a kind of membrane oxygenator according to claim 8 is characterized in that: described chamber is advanced oxygen mouth (36) and is arranged on the inlet plenum (31); Outlet nozzle (37) is arranged on the discharge chamber (33); Going into blood mouth (34), circulating exhaust mouth (38) and blood outlet (35) is arranged in the switch room (32); Wherein, advancing oxygen mouth (36) is communicated with outlet nozzle (37) by hollow fiber film tube (30); Going into blood mouth (34), circulating exhaust mouth (38) and blood outlet (35) is communicated with by the gap between hollow fiber film tube (30); Pass fibrous membrane pipe (30) by advancing the oxygen that oxygen mouth (36) enters, pass oxygen oxygenate in gap between fibrous membrane pipe (30) and the fibrous membrane pipe by going into blood that blood mouth (34) enters, and by blood outlet (35) outflow, the carbon dioxide of discharging behind the oxygenate is discharged by outlet nozzle (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100277038A CN101569766B (en) | 2008-04-28 | 2008-04-28 | Membrane oxygenator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100277038A CN101569766B (en) | 2008-04-28 | 2008-04-28 | Membrane oxygenator |
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| Publication Number | Publication Date |
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| CN101569766A true CN101569766A (en) | 2009-11-04 |
| CN101569766B CN101569766B (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100277038A Active CN101569766B (en) | 2008-04-28 | 2008-04-28 | Membrane oxygenator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103501833A (en) * | 2011-05-04 | 2014-01-08 | 第三专利投资有限两合公司 | Exchanger device |
| CN103877633A (en) * | 2014-04-14 | 2014-06-25 | 东莞科威医疗器械有限公司 | Membrane oxygenator |
| CN105816927A (en) * | 2016-04-29 | 2016-08-03 | 王辉山 | Clamp for connection of membrane lung in extracorporeal circulation |
| CN109843348A (en) * | 2016-05-18 | 2019-06-04 | 伊克尼奥斯股份有限公司 | The system for carrying out extracorporeal membrane oxygenation with blood pump and oxygenator |
| CN113413504A (en) * | 2021-07-30 | 2021-09-21 | 清华大学天津高端装备研究院 | Multi-chamber oxygenator with liquid separation drainage structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU609818B2 (en) * | 1987-05-19 | 1991-05-09 | Terumo Kabushiki Kaisha | Extracorporeal blood circulating apparatus |
| US5158533A (en) * | 1991-03-26 | 1992-10-27 | Gish Biomedical, Inc. | Combined cardiotomy/venous/pleural drainage autotransfusion unit with filter and integral manometer and water seal |
| CN2511309Y (en) * | 2001-11-16 | 2002-09-18 | 广东省医疗器械研究所 | Membrane oxygen supplier |
| ITMI20060490A1 (en) * | 2006-03-17 | 2007-09-18 | Eurosets Srl | INTEGRATED DEVICE FOR BLOOD RE-HEALING AND OXYGENATION IN EXTRACORPOREAL CIRCUIT |
-
2008
- 2008-04-28 CN CN2008100277038A patent/CN101569766B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103501833A (en) * | 2011-05-04 | 2014-01-08 | 第三专利投资有限两合公司 | Exchanger device |
| CN103877633A (en) * | 2014-04-14 | 2014-06-25 | 东莞科威医疗器械有限公司 | Membrane oxygenator |
| CN103877633B (en) * | 2014-04-14 | 2015-12-30 | 东莞科威医疗器械有限公司 | Membrane oxygenator |
| CN105816927A (en) * | 2016-04-29 | 2016-08-03 | 王辉山 | Clamp for connection of membrane lung in extracorporeal circulation |
| CN105816927B (en) * | 2016-04-29 | 2017-11-10 | 王辉山 | Membrane lung connection fixture in a kind of extracorporal circulatory system |
| CN109843348A (en) * | 2016-05-18 | 2019-06-04 | 伊克尼奥斯股份有限公司 | The system for carrying out extracorporeal membrane oxygenation with blood pump and oxygenator |
| CN109843348B (en) * | 2016-05-18 | 2021-08-10 | 伊克尼奥斯股份有限公司 | System for carrying out extracorporeal membrane oxygenation by using blood pump and oxygenator |
| CN113413504A (en) * | 2021-07-30 | 2021-09-21 | 清华大学天津高端装备研究院 | Multi-chamber oxygenator with liquid separation drainage structure |
| CN113413504B (en) * | 2021-07-30 | 2023-03-14 | 北京清瀚医疗科技有限公司 | Multi-chamber oxygenator with liquid separation drainage structure |
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|---|---|
| CN101569766B (en) | 2012-05-02 |
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