CN115814187A - Extracorporeal membrane oxygenation device - Google Patents
Extracorporeal membrane oxygenation device Download PDFInfo
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- CN115814187A CN115814187A CN202211543005.XA CN202211543005A CN115814187A CN 115814187 A CN115814187 A CN 115814187A CN 202211543005 A CN202211543005 A CN 202211543005A CN 115814187 A CN115814187 A CN 115814187A
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Abstract
The invention provides an extracorporeal membrane lung oxygenation device. The extracorporeal membrane lung oxygenation device comprises an oxygenation body, wherein an oxygenation cavity, a first constant-temperature water cavity and a second constant-temperature water cavity are arranged in the oxygenation body along the extension direction, the oxygenation cavity is arranged between the first constant-temperature water cavity and the second constant-temperature water cavity, the first constant-temperature water cavity and the second constant-temperature water cavity respectively cover two sides of the oxygenation cavity, an oxygen circulation inlet and a blood circulation outlet are arranged on the outer side of the oxygenation body, and the oxygen circulation inlet and the blood circulation outlet are communicated with the oxygenation cavity; the oxygenation membrane component is arranged in the oxygenation cavity; the outlet of the power blood pump is communicated with the oxygenation cavity; the blood flows into the pipeline, and the blood inflow pipeline is communicated with the inlet of the power blood pump. The invention solves the problem that the structure of the existing extracorporeal membrane lung oxygenation device has large volume and large occupied space, thereby causing large temperature difference change of blood in the system.
Description
Technical Field
The invention relates to the technical field of oxygenation devices assisting in cardio-pulmonary functions, in particular to an extracorporeal membrane oxygenation device.
Background
Extracorporeal Membrane oxygenation (ECMO) is mainly used to provide continuous extracorporeal respiratory and circulatory support for patients with severe cardiopulmonary failure to sustain the life of the patient. Each part dispersion of current external lung membrane oxygenation device is independent, and is not only bulky, need connect gradually with the pipeline moreover, and occupation space is more, connects complicacy, has also increased the trouble risk when increasing the operation degree of difficulty, has increased the quantity of priming solution simultaneously, has still increaseed the blood temperature difference change in the system, and above-mentioned shortcoming has hindered current external lung membrane oxygenation device's quick installation and portable transportation.
In conclusion, the structure of the conventional extracorporeal membrane lung oxygenation device has the problems of large volume and large occupied space, which further causes the problems of increasing operation difficulty, increasing fault risk, increasing the dosage of priming solution and increasing the temperature difference change of blood in the system.
Disclosure of Invention
In order to solve the problems, the invention provides an extracorporeal membrane oxygenation device to solve the problems that the structure of the existing extracorporeal membrane oxygenation device is large in size and large in occupied space, so that the operation difficulty is increased, the fault risk is increased, the using amount of priming solution is increased, and the temperature difference change of blood in a system is increased.
According to a first aspect of the present invention, there is provided an extracorporeal membrane lung oxygenation device comprising: the oxygenation body is provided with two ends in the extending direction, namely a first end and a second end, the oxygenation body is internally provided with an oxygenation cavity, a first constant-temperature water chamber and a second constant-temperature water chamber which are arranged along the extending direction, the oxygenation cavity is arranged between the first constant-temperature water chamber and the second constant-temperature water chamber, the first constant-temperature water chamber and the second constant-temperature water chamber respectively cover two sides of the oxygenation cavity, the outer side of the oxygenation body is provided with an oxygen circulation inlet and a blood circulation outlet, and the oxygen circulation inlet and the blood circulation outlet are communicated with the oxygenation cavity; the oxygenation membrane component is arranged in the oxygenation cavity and arranged along the extending direction of the oxygenation cavity; the power blood pump is fixedly connected with the first end of the oxygenation body in an integrated manner, and an outlet of the power blood pump is communicated with the oxygenation cavity; the blood flows into the pipeline, and the blood inflow pipeline is communicated with the inlet of the power blood pump.
Optionally, the method further comprises: the first water inlet pipe and the first water outlet pipe are connected to the oxygenation body and communicated with the first constant-temperature water cavity.
Optionally, the method further comprises: the second water inlet pipe and the second water outlet pipe are connected to the oxygenation body and communicated with the second constant-temperature water cavity.
Optionally, the oxygenation cavity, the first constant temperature water chamber and the second constant temperature water chamber are all annular chambers.
Optionally, the oxygenation body is further provided with a first blood chamber inside along the extending direction, the first blood chamber is arranged between the oxygenation cavity and the second constant-temperature water chamber, the first blood chamber is an annular chamber, the first blood chamber is communicated with the oxygenation cavity, and the first blood chamber is communicated with the blood circulation outlet.
Optionally, the first end of the blood inflow pipeline is fixedly connected with the powered blood pump, the first end of the blood inflow pipeline is communicated with the inlet of the powered blood pump, the second end of the blood inflow pipeline passes through the second constant temperature water chamber and extends to the outside of the oxygenation body, and the second end of the blood inflow pipeline is arranged adjacent to the second end of the oxygenation body.
Optionally, the oxygenation membrane module is a hollow cylinder.
Optionally, the oxygen-containing membrane module comprises a plurality of layers of hollow fiber membranes.
According to the extracorporeal membrane lung oxygenation device, on one hand, an oxygenation cavity, a first constant-temperature water cavity and a second constant-temperature water cavity are arranged in an oxygenation body, and a power blood pump is fixedly connected with the first end of the oxygenation body in an integrated mode; on the other hand, because the outer side of the oxygenation body is provided with an oxygen circulation inlet and a blood circulation outlet which are communicated with the oxygenation cavity, the outlet of the power blood pump is communicated with the oxygenation cavity, the inlet of the power blood pump is communicated with the blood inflow pipeline, so that blood flows into the inlet of the power blood pump through the blood inflow pipeline, flows into the oxygenation cavity from the outlet of the power blood pump, and enters the oxygenation cavity from the oxygen circulation inlet, at this time, oxygen and blood are oxygenated on the oxygenation membrane component, and oxygenated blood flows out from the blood circulation outlet to finish the oxygenation process, meanwhile, the first constant temperature water chamber and the second constant temperature water chamber respectively cover two sides of the oxygenation cavity, so that the temperature difference of the blood in the extracorporeal membrane lung oxygenation device is not greatly changed. The invention solves the problem that the structure of the existing extracorporeal membrane lung oxygenation device has large volume and large occupied space, thereby causing large temperature difference change of blood in the system.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an extracorporeal membrane oxygenation device provided in accordance with the present invention;
FIG. 2 is a blood flow path diagram of an extracorporeal membrane oxygenation device provided in accordance with the present invention;
FIG. 3 is a schematic diagram of the internal structure of an extracorporeal membrane oxygenation device provided in accordance with the present invention;
fig. 4 is a schematic diagram of the internal structure of an extracorporeal membrane lung oxygenation device provided in accordance with the present invention without an oxygenation assembly.
List of reference numerals:
10. an oxygenation body; 11. an oxygenation cavity; 12. a first constant temperature water chamber; 13. an oxygen flow inlet; 14. a blood flow-through outlet; 15. a second constant temperature water chamber; 16. a first water inlet pipe; 17. a first water outlet pipe; 18. a second water inlet pipe; 19. a second water outlet pipe; 20. an oxygenation membrane module; 30. a powered blood pump; 40. blood flows into the tubing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect through an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 2, the invention provides an extracorporeal membrane oxygenation device, which can solve the problems that the structure of the conventional extracorporeal membrane oxygenation device is large in size and large in occupied space, so that the operation difficulty is increased, the fault risk is increased, the consumption of priming solution is increased, and the temperature difference change of blood in a system is increased.
The invention provides an extracorporeal membrane lung oxygenation device, which comprises: the oxygenation device comprises an oxygenation body 10, an oxygenation membrane component 20, a power blood pump 30 and a blood inflow pipeline 40, wherein the oxygenation body 10 is provided with two ends in the extending direction, namely a first end and a second end, the oxygenation body 10 is internally provided with an oxygenation cavity 11, a first constant-temperature water cavity 12 and a second constant-temperature water cavity 15 which are arranged along the extending direction, the oxygenation cavity 11 is arranged between the first constant-temperature water cavity 12 and the second constant-temperature water cavity 15, the first constant-temperature water cavity 12 and the second constant-temperature water cavity 15 are respectively covered on two sides of the oxygenation cavity 11, an oxygen circulation inlet 13 and a blood circulation outlet 14 are arranged on the outer side of the oxygenation body 10, and the oxygen circulation inlet 13 and the blood circulation outlet 14 are communicated with the oxygenation cavity 11; the oxygenation membrane module 20 is arranged in the oxygenation cavity 11, and the oxygenation membrane module 20 is arranged along the extending direction of the oxygenation cavity 11; the power blood pump 30 is fixedly connected with the first end of the oxygenation body 10 in an integrated manner, and the outlet of the power blood pump 30 is communicated with the oxygenation cavity 11; the blood inflow conduit 40 communicates with the inlet of the powered blood pump 30.
The oxygenation body 10 is cylindrical as a whole and is made of the following materials: medical plastics (medical polymer materials).
On one hand, the extracorporeal membrane lung oxygenation device provided by the invention is characterized in that an oxygenation cavity 11, a first constant-temperature water chamber 12 and a second constant-temperature water chamber 15 are arranged in an oxygenation body 10, and a power blood pump 30 is fixedly connected with the first end of the oxygenation body 10 in an integrated manner, so that the extracorporeal membrane lung oxygenation device is small in size and small in occupied space due to the arrangement of the structure; on the other hand, since the outside of the oxygenation body 10 is provided with the oxygen circulation inlet 13 and the blood circulation outlet 14, and is communicated with the oxygenation cavity 11, and the outlet of the power blood pump 30 is communicated with the oxygenation cavity 11, the inlet of the power blood pump 30 is communicated with the blood inflow pipeline 40, so that blood flows into the inlet of the power blood pump 30 through the blood inflow pipeline 40, flows into the oxygenation cavity 11 from the outlet of the power blood pump 30, oxygen enters the oxygenation cavity 11 from the oxygen circulation inlet 13, at this time, oxygen and blood are oxygenated on the oxygenation membrane assembly 20, and oxygenated blood flows out from the blood circulation outlet, so as to complete the oxygenation process, and meanwhile, the first constant temperature water chamber 12 and the second constant temperature water chamber 15 respectively cover two sides of the oxygenation cavity 11, so that the temperature difference of blood in the extracorporeal membrane lung oxygenation device does not change greatly. The invention solves the problems that the structure of the existing extracorporeal membrane lung oxygenation device has large volume and large occupied space, thereby increasing the operation difficulty, increasing the fault risk, increasing the consumption of priming solution and increasing the temperature difference change of blood in the system, and realizes quick installation and portable transportation.
Wherein oxygenation of oxygen and blood occurs by radial penetration of the oxygenation membrane module 20.
Further, the oxygenation cavity 11, the first constant temperature water chamber 12 and the second constant temperature water chamber 15 are isolated from each other by a sealing structure so as to avoid blood contamination.
Referring to fig. 1, optionally, the method further includes: a first water inlet pipe 16 and a first water outlet pipe 17, wherein the first water inlet pipe 16 and the first water outlet pipe 17 are connected to the oxygenation body 10 and communicated with the first constant temperature water cavity 12.
Wherein, the first water inlet pipe 16 and the first water outlet pipe 17 are respectively used for the inflow and outflow of warm water. Warm water enters the first constant-temperature water cavity 12 through the first water inlet pipe 16, flows through the first constant-temperature water cavity 12 and then flows out through the first water outlet pipe 17, and therefore the fact that the temperature difference of blood in the oxygenation cavity 11 is not changed greatly is guaranteed. The relative position of the first water inlet pipe 16 and the first water outlet pipe 17 can be that the first water inlet pipe 16 is above the first water outlet pipe 17 or the first water outlet pipe 17 is below the first water inlet pipe 16, which is not limited herein.
Referring to fig. 1, optionally, the method further includes: a second water inlet pipe 18 and a second water outlet pipe 19, wherein the second water inlet pipe 18 and the second water outlet pipe 19 are connected to the oxygenation body 10 and communicated with the second constant temperature water cavity 15.
The arrangement of the second water inlet pipe 18 and the second water outlet pipe 19 is used for inflow and outflow of warm water respectively, the warm water enters the second constant-temperature water cavity 15 through the second water inlet pipe 18, flows through the second constant-temperature water cavity 15 and flows out through the second water outlet pipe 19, and therefore the fact that the temperature difference of blood in the oxygenation cavity 11 is not changed greatly is guaranteed. The relative positions of the second inlet pipe 18 and the second outlet pipe 19 are horizontally arranged.
Further, the first constant temperature water chamber 12 and the second constant temperature water chamber 15 can be used independently, can be used in parallel at the same time, and can also be used in series.
Specifically, when the first constant temperature water chamber 12 and the second constant temperature water chamber 15 can be used alone, only the first constant temperature water chamber 12 or the second constant temperature water chamber 15 is used, which will not be described in detail herein, and this is the manner already described above.
When the first constant temperature water chamber 12 and the second constant temperature water chamber 15 are used in parallel, warm water is simultaneously injected into the first constant temperature water chamber 12 and the second constant temperature water chamber 15 through the first water inlet pipe 16 and the second water inlet pipe 18, and then flows out through the first water outlet pipe 17 and the second water outlet pipe 19.
When the first constant temperature water cavity 12 and the second constant temperature water cavity 15 are connected in series for use, warm water enters the first constant temperature water cavity 12 from the first water inlet pipe 16, flows out from the first water outlet pipe 17, enters the second water inlet pipe 18, flows into the second constant temperature water cavity 15, and flows out from the second water outlet pipe 19, and at the moment, the first water outlet pipe 17 is communicated with the second water inlet pipe 18.
Referring to fig. 2, optionally, the oxygenation cavity 11, the first constant temperature water chamber 12 and the second constant temperature water chamber 15 are all annular chambers.
The oxygenation cavity 11 is an annular cavity, at this time, the oxygenation membrane assembly 20 is filled with the annular cavity, so that oxygen and blood can be fully oxygenated by a mode of radially penetrating the oxygenation membrane assembly 20, the first constant temperature water cavity 12 and the second constant temperature water cavity 15 are annular cavities, so that the first constant temperature water cavity and the second constant temperature water cavity are fully covered on the inner side and the outer side of the oxygenation cavity 11, and the temperature difference of the blood in the oxygenation cavity 11 is ensured to be not changed greatly by injecting warm water.
Referring to fig. 2, optionally, the oxygenation body further has a first blood chamber disposed along the extending direction inside, a first blood chamber is disposed between the oxygenation chamber 11 and the second constant temperature water chamber 15, the first blood chamber is an annular chamber, the first blood chamber is communicated with the oxygenation chamber 11, and the first blood chamber is communicated with the blood circulation outlet 14.
The first blood cavity is arranged between the oxygenation cavity 11 and the second constant-temperature water cavity 15, oxygenated blood flows into the first blood cavity and then flows out of the blood circulation outlet 14, and the effect of converging the oxygenated blood is achieved. The first blood chamber is an annular chamber, and is arranged to match the shapes of the oxygenation cavity 11 and the second constant-temperature water chamber 15, and on the other hand, the speed of converging oxygenated blood is increased.
Further, the first blood chamber and the second constant temperature water chamber 15 are isolated from each other by a sealing structure to avoid blood contamination.
Referring to fig. 4, optionally, a first end of the blood inflow conduit 40 is fixedly connected to the powered blood pump 30, the first end of the blood inflow conduit 40 is communicated with an inlet of the powered blood pump 30, a second end of the blood inflow conduit 40 extends to the outside of the oxygenation body 10 through the second constant temperature water chamber 15, and the second end of the blood inflow conduit 40 is disposed adjacent to the second end of the oxygenation body 10.
The blood inflow pipe 40 is disposed at a position, on one hand, when the blood flows through the blood inflow pipe 40, the temperature difference of the blood is not greatly changed, and on the other hand, the blood can flow into the power blood pump 30 from top to bottom through the blood inflow pipe 40.
Referring to fig. 2 to 3, alternatively, the oxygen-containing membrane module 20 is a hollow cylinder.
Wherein the oxygenation membrane module 20 is a hollow cylinder such that oxygenation of oxygen and blood is substantially achieved by radially penetrating the oxygenation membrane module 20.
Referring to fig. 3, optionally, the oxygen-containing membrane module 20 comprises a plurality of layers of hollow fiber membranes.
Wherein the plurality of layers of hollow fiber membranes allow for the oxygenation of oxygen and blood to be adequately oxygenated by radially penetrating the oxygenation membrane module 20. And a hollow fiber membrane capable of realizing an oxygen and carbon dioxide exchange effect.
Optionally, the material of the hollow fiber membrane is poly-4-methyl-1-pentene.
Among them, the hollow fiber membrane made of poly-4-methyl-1-pentene (PMP) has better oxygen flux and supports longer blood circulation cycle.
Further, the hollow fiber membrane may be a polypropylene PP membrane.
The blood circulation process of the present invention is as follows: blood in a human body enters the power blood pump 30 through the blood inflow pipeline 40, the power blood pump 30 pumps the blood into the oxygenation cavity 11 from an outlet of the power blood pump 30, meanwhile, oxygen enters the oxygenation cavity 11 from the oxygen circulation inlet 13, the oxygen and the blood are oxygenated in the oxygenation membrane assembly 20, the oxygenated blood flows into the first blood cavity and circulates into the human body through the blood circulation outlet 14, and the oxygenation process is completed.
In summary, in the extracorporeal membrane lung oxygenation device provided by the present invention, on one hand, the oxygenation cavity 11, the first constant temperature water chamber 12 and the second constant temperature water chamber 15 are arranged inside the oxygenation body 10, and the power blood pump 30 is fixedly connected with the first end of the oxygenation body 10 in an integrated manner, so that the extracorporeal membrane lung oxygenation device of the present application has a small volume and occupies a small space through the arrangement of the above structure; on the other hand, since the outside of the oxygenation body 10 is provided with the oxygen circulation inlet 13 and the blood circulation outlet 14, and is communicated with the oxygenation cavity 11, and the outlet of the power blood pump 30 is communicated with the oxygenation cavity 11, the inlet of the power blood pump 30 is communicated with the blood inflow pipeline 40, so that blood flows into the inlet of the power blood pump 30 through the blood inflow pipeline 40, flows into the oxygenation cavity 11 from the outlet of the power blood pump 30, oxygen enters the oxygenation cavity 11 from the oxygen circulation inlet 13, at this time, oxygen and blood are oxygenated on the oxygenation membrane assembly 20, and oxygenated blood flows out from the blood circulation outlet, so as to complete the oxygenation process, and meanwhile, the first constant temperature water chamber 12 and the second constant temperature water chamber 15 respectively cover two sides of the oxygenation cavity 11, so that the temperature difference of blood in the extracorporeal membrane lung oxygenation device does not change greatly. The invention solves the problem that the structure of the existing extracorporeal membrane lung oxygenation device has large volume and large occupied space, thereby causing large temperature difference change of blood in the system.
It should be noted that not all steps and modules in the above flows and system structure diagrams are necessary, and some steps or modules may be omitted according to actual needs. The execution order of the steps is not fixed and can be adjusted as required. The system structure described in the above embodiments may be a physical structure or a logical structure, that is, some modules may be implemented by the same physical entity, or some modules may be implemented by a plurality of physical entities, or some components in a plurality of independent devices may be implemented together.
In the above embodiments, the hardware module may be implemented mechanically or electrically. For example, a hardware module may include permanently dedicated circuitry or logic (e.g., a dedicated processor, FPGA, or AS ic) to perform the corresponding operations. A hardware module may also include programmable logic or circuitry (e.g., a general-purpose processor or other programmable processor) that may be temporarily configured by software to perform the corresponding operations. The specific implementation (mechanical, or dedicated permanent, or temporarily set) may be determined based on cost and time considerations.
While the invention has been shown and described in detail in the drawings and in the preferred embodiments, it is not intended to limit the invention to the embodiments disclosed, and it will be apparent to those skilled in the art that various combinations of the code auditing means in the various embodiments described above may be used to obtain further embodiments of the invention, which are also within the scope of the invention.
Claims (8)
1. An extracorporeal membrane lung oxygenation device, comprising:
the oxygenation body (10) is provided with two ends in an extending direction, namely a first end and a second end, the oxygenation body (10) is internally provided with an oxygenation cavity (11), a first constant-temperature water chamber (12) and a second constant-temperature water chamber (15) which are arranged along the extending direction, the oxygenation cavity (11) is arranged between the first constant-temperature water chamber (12) and the second constant-temperature water chamber (15), the first constant-temperature water chamber (12) and the second constant-temperature water chamber (15) are respectively covered on two sides of the oxygenation cavity (11), an oxygen circulation inlet (13) and a blood circulation outlet (14) are arranged on the outer side of the oxygenation body (10), and the oxygen circulation inlet (13) and the blood circulation outlet (14) are communicated with the oxygenation cavity (11);
an oxygenation membrane module (20), wherein the oxygenation membrane module (20) is arranged in the oxygenation cavity (11), and the oxygenation membrane module (20) is arranged along the extending direction of the oxygenation cavity (11);
the power blood pump (30), the power blood pump (30) is fixedly connected with the first end of the oxygenation body (10) in an integrated manner, and the outlet of the power blood pump (30) is communicated with the oxygenation cavity (11);
a blood inflow conduit (40), the blood inflow conduit (40) communicating with an inlet of the powered blood pump (30).
2. The extracorporeal membrane lung oxygenation device of claim 1, further comprising:
a first water inlet pipe (16) and a first water outlet pipe (17), wherein the first water inlet pipe (16) and the first water outlet pipe (17) are connected to the oxygenation body (10) and communicated with the first constant temperature water cavity (12).
3. The extracorporeal membrane lung oxygenation device of claim 1, further comprising:
a second water inlet pipe (18) and a second water outlet pipe (19), wherein the second water inlet pipe (18) and the second water outlet pipe (19) are connected to the oxygenation body (10) and communicated with the second constant temperature water cavity (15).
4. The extracorporeal membrane lung oxygenation device of claim 2 or 3, wherein the oxygenation cavity (11), the first thermostated water chamber (12) and the second thermostated water chamber (15) are all annular chambers.
5. The extracorporeal membrane lung oxygenation device of claim 4, wherein the oxygenation body (10) further has a first blood chamber disposed along the extension direction inside, the first blood chamber is disposed between the oxygenation chamber (11) and the second constant temperature water chamber (15), the first blood chamber is an annular chamber, the first blood chamber is communicated with the oxygenation chamber (11), and the first blood chamber is communicated with the blood circulation outlet (14).
6. The extracorporeal membrane lung oxygenation device of claim 1, wherein a first end of the blood inflow conduit (40) is fixedly connected to the powered blood pump (30), a first end of the blood inflow conduit (40) is in communication with an inlet of the powered blood pump (30), a second end of the blood inflow conduit (40) extends through the second constant temperature water chamber (15) to an exterior of the oxygenation body (10), and a second end of the blood inflow conduit (40) is disposed adjacent to a second end of the oxygenation body (10).
7. The extracorporeal membrane lung oxygenation device of claim 1, wherein the oxygenation membrane module (20) is a hollow cylinder.
8. The extracorporeal membrane lung oxygenation device of claim 7, wherein the oxygenation membrane module (20) comprises a multilayer hollow fiber membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211543005.XA CN115814187A (en) | 2022-12-02 | 2022-12-02 | Extracorporeal membrane oxygenation device |
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| CN202211543005.XA CN115814187A (en) | 2022-12-02 | 2022-12-02 | Extracorporeal membrane oxygenation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117122814A (en) * | 2023-10-25 | 2023-11-28 | 北京航天长峰股份有限公司 | Pump head oxygenator assembly and extracorporeal membrane pulmonary oxygenation system |
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2022
- 2022-12-02 CN CN202211543005.XA patent/CN115814187A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117122814A (en) * | 2023-10-25 | 2023-11-28 | 北京航天长峰股份有限公司 | Pump head oxygenator assembly and extracorporeal membrane pulmonary oxygenation system |
| CN117122814B (en) * | 2023-10-25 | 2024-02-02 | 北京航天长峰股份有限公司 | Pump head oxygenator assembly and extracorporeal membrane pulmonary oxygenation system |
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