CN114668919A

CN114668919A - Oxygenation device and portable oxygenation device

Info

Publication number: CN114668919A
Application number: CN202210347587.8A
Authority: CN
Inventors: 王亚伟; 徐明洲; 李纪念; 岳明昊; 刘会超; 苏子华; 黄抒敏
Original assignee: Beijing Aerospace Changfeng Co Ltd
Current assignee: Beijing Aerospace Changfeng Co Ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-06-28
Anticipated expiration: 2042-04-01
Also published as: CN114668919B

Abstract

The present disclosure provides an oxygenation device comprising: an oxygenator (20), the oxygenator (20) comprising a vent (111), the vent (111) being disposed on a top surface of the oxygenator (20); the support (10), the support (10) includes the rotating arm (100) and the base (200), the rotating arm (100) is rotatably arranged on the base (200); wherein the oxygenator (20) is provided on the rotary arm (100) for rotation of the oxygenator (20) relative to the base (200) such that the exhaust port (111) is located at a highest point of the oxygenator (20). The oxygenator is connected with the host machine through a mechanical connection structure, so that the relevance between the oxygenator and the host machine is small, and the integration level and the portability of the oxygenator and the host machine are greatly improved.

Description

Oxygenation device and portable oxygenation device

Technical Field

The present disclosure relates to the field of medical health, and more particularly, to a medical connecting device.

Background

Extracorporeal membrane oxygenation (ECMO) represents the most advanced technology of equipment in the field of extracorporeal circulation, and belongs to a high-end medical apparatus for severe treatment. ECMO plays a vital role in the treatment of patients with cardiopulmonary distress caused by infectious diseases such as 'Xinguan', 'first class' and 'SARS' or other reasons. At present, China has no domestic ECMO, all clinical products are imported, the quantity is scarce, the price is high, the medical and health burden is heavy, and public safety emergency response is limited by people.

In the entire set of ECMO equipment, the membrane oxygenator is one of the key devices, and how the oxygenator is connected with the host is a key problem. Currently, most of international mainstream products are placed separately, the relevance is small, and a lot of inconvenience exists in ECMO transportation and clinical first aid. The present disclosure solves these problems well by connecting the oxygenator directly to the main frame via a mechanical connection.

Disclosure of Invention

Objects of the disclosure

It is an object of the present disclosure to provide a medical coupling device for solving the problem of how to connect an oxygenator to a host.

(II) technical scheme

To solve the above problems, a first aspect of the present disclosure provides an oxygenation device comprising: an oxygenator 20, the oxygenator 20 including a vent 111, the vent 111 being disposed on a top surface of the oxygenator 20; the support 10 comprises a rotating arm 100 and a base 200, wherein the rotating arm 100 is rotatably arranged on the base 200; wherein the oxygenator 20 is disposed on the rotating arm 100 for rotating the oxygenator 20 relative to the base 200 such that the exhaust port 111 is located at the highest point of the oxygenator 20.

Wherein the rotary arm 100 is provided with a first connection plate 110, the first connection plate 110 being for connecting and/or fixing the oxygenator 20.

The support 10 further includes a support rod 300, one end of the support rod 300 is hinged to the rotating arm 100, and the other end of the support rod 300 is supported on the upper surface of the base 200.

The upper surface of the base 200 is provided with a clamping groove 220, the bottom surface of the clamping groove 220 is provided with a limiting toothed plate, and the supporting rod 300 is clamped with the tooth socket of the limiting toothed plate.

Wherein the oxygenation device comprises a use state and a vent state; when the oxygen device is in a use state, the rotating arm 100 is attached to the base 200, and the clamping groove 220 is used for accommodating the supporting rod 300; when the oxygenating apparatus is in the air discharging state, the supporting rod 300 is supported in the clamping groove 220, and the rotating arm 100 and the base 200 form a preset included angle, so that the oxygenator 20 is pre-filled and air-discharged.

Wherein the stent 10 further comprises: a handle 120, wherein the handle 120 is disposed at an end of the rotating arm 100 away from the base 200.

Wherein the stent 10 further comprises: a locking pin 400; the bottom surface of swinging boom 100 is equipped with spacing pipe 130, the top surface of base 200 is equipped with and is used for holding spacing pipe 130's recess, the side of base 200 be equipped with the locking mouth of recess intercommunication, locking pin 400 be used for through locking mouth inserts spacing pipe 130, so that swinging boom 100 with base 200 is fixed.

A second aspect of the present disclosure provides a portable oxygenation device comprising the oxygenation device of any one of claims 1-5 above, further comprising: the extracorporeal lung membrane host 30, the extracorporeal lung membrane host 30 is provided with a blood pump driving device; and two ends of the blood pump 40 are respectively communicated with the oxygenation device and the extracorporeal pulmonary membrane host 30 for blood circulation.

Wherein, the support 10 further comprises a second connecting plate 600, and the second connecting plate 600 is fixed on the top surface of the in vitro lung membrane host 30; the base 200 is fixed to the top surface of the second connection plate 600.

Wherein the blood pump 40 comprises: a pump head 112 and a connector, wherein the pump head 112 is disposed at one side of the extracorporeal lung membrane host 30, and the connector connects the oxygenation device and the pump head 112.

(III) advantageous effects

In the oxygen device of the embodiment of the present disclosure, the oxygenator has two placing states: one is in an inclined state, which is convenient for the oxygenator to be quickly pre-filled and exhausted; one is laid horizontally, so that blood flow can enter from the center of the upper part and then uniformly fill the periphery, the blood flow field of the oxygenator is improved, and the oxygenator is convenient to use for a long time.

Drawings

FIG. 1 is a front view block diagram of a rotational state of an oxygenation device support 100 according to an embodiment of the present disclosure;

FIG. 2 is a front view block diagram of an oxygenation device support 100 in a non-rotated state in accordance with an embodiment of the present disclosure;

FIG. 3 is a block diagram of an orientation of the oxygenation device support 100 in a non-rotated state in accordance with an embodiment of the present disclosure;

FIG. 4 is a top view block diagram of a non-rotating state of an oxygenating device housing 100 in accordance with an embodiment of the present disclosure;

FIG. 5 is a block diagram of one orientation of the rotational position of an oxygenation device support 100 according to an embodiment of the present disclosure;

FIG. 6 is a schematic diagram of an external structure of an oxygenation device support 100 in a non-rotated state according to an embodiment of the disclosure;

FIG. 7 is a schematic diagram of an appearance structure of a rotating state of an oxygenation device support 100 according to an embodiment of the present disclosure;

FIG. 8 is a schematic diagram of an oxygenating device locking assembly 400, in accordance with an embodiment of the present disclosure;

FIGS. 9-12 are schematic structural views of a first connection assembly of a portable oxygenation device according to embodiments of the present disclosure;

10: a support; 20: an oxygenator; 30: an in vitro pulmonary membrane host; 40: a blood pump; 100: a rotating arm; 200: a base; 300: a support bar; 400: a locking pin; 110: a first connecting plate; 600: a second connecting plate; 111: an exhaust port; 112: a pump head; 120: a handle; 130: a limiting pipe; 210: a locking port; 220: a clamping groove.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure will be described in further detail below with reference to the accompanying drawings in conjunction with the detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure.

A schematic diagram of a layer structure according to an embodiment of the present disclosure is shown in the drawings. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity. The shapes of various regions, layers, and relative sizes and positional relationships therebetween shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, as actually required.

It is to be understood that the described embodiments are only a few, and not all, of the disclosed embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

In the description of the present disclosure, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, technical features involved in different embodiments of the present disclosure described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, 10, and 11, an oxygenation device in an embodiment of the present disclosure includes: the oxygenator 20, the oxygenator 20 comprising an exhaust port 111, the exhaust port 111 being disposed on a top surface of the oxygenator 20; the support 10, the support 10 includes rotating arm 100 and base 200, the rotating arm 100 is rotatably disposed on the base 200; wherein the oxygenator 20 is disposed on the rotating arm 100 for rotating the oxygenator 20 relative to the base 200 such that the exhaust port 111 is located at the highest point of the oxygenator 20. In a specific embodiment, the health care professional adjusts the rotation angle of the oxygenator 20, so that the oxygenator 20 is inclined to a suitable angle relative to the horizontal position, the height of the vent hole 111 is higher than the blood level in the oxygenator 20, and the vent hole 111 is located at the highest point of the blood chamber, so that the gas inside the oxygenator 20 is exhausted through the exhaust port, and the exhaust is effectively realized. This embodiment can avoid appearing the unable circulation of dead angle of air in the blood, realizes that the interior air of blood chamber is more effective to be discharged.

As shown in fig. 5, 6, 7, 10 and 12, in some embodiments, the positions of the blood plane and the vent hole 111 in the blood chamber are determined according to the rotation angle of the rotary arm 100, and the position of the vent hole 111 is continuously adjusted so that the vent hole 111 is located at the highest point of the blood plane.

As shown in fig. 1-6, in some embodiments, the rotating arm 100 is provided with a first connection plate 110, the first connection plate 110 being for connecting and/or securing the oxygenator 20.

As shown in fig. 1, 5 and 7, in some embodiments, the stand 10 further includes a support bar 300, one end of the support bar 300 is hinged to the rotating arm 100, and the other end of the support bar 300 is supported on the upper surface of the base 200.

As shown in fig. 1, 5 and 7, in some embodiments, the upper surface of the base 200 is provided with a locking groove 220, the bottom surface of the locking groove 220 is provided with a limit toothed plate, and the support rod 300 is locked with the tooth groove of the limit toothed plate.

As shown in fig. 6, 7, 10 and 12, in some embodiments, the oxygenation device comprises a use state and a vent state; when the oxygenation device is in a use state, the rotating arm 100 is attached to the base 200, and the clamping groove 220 is used for accommodating the supporting rod 300; when the oxygenating apparatus is in the air discharging state, the supporting rod 300 is supported in the clamping groove 220, and the rotating arm 100 and the base 200 form a predetermined included angle, so that the oxygenator 20 is pre-charged and exhausted. In the oxygen device of the embodiment of the present disclosure, the oxygenator 20 has two placement states: one is an inclined state, which facilitates the quick pre-charging and air-discharging of the oxygenator 20; one is laid flat, which can make the blood flow enter from the center of the upper part of the oxygenator 20 and then fill the periphery evenly, thus improving the blood flow field of the oxygenator 20 and being convenient for long-term use.

As shown in fig. 1-7 and 8-12, in some embodiments, the stent 10 further comprises: a handle 120, the handle 120 is disposed at an end of the rotating arm 100 away from the base 200. The handle 120 is ergonomically designed, and the length, width and thickness of the handle 120 can be adjusted according to the hand gripping condition.

In some embodiments, the stand 10 includes a rotating arm 100, a first connecting plate 110, a second connecting plate 600, and a support bar 300. The bracket 10 is made of a material having advantages of low density, high strength, good toughness, etc., such as magnesium aluminum alloy or ABS engineering plastic. This greatly reduces overall weight and improves portability during ECMO transport.

As shown in fig. 1, 2, 4, 5, 6, and 8, in some embodiments, the stent 10 further comprises: a locking pin 400; the bottom surface of swinging boom 100 is equipped with spacing pipe 130, and the top surface of base 200 is equipped with the recess that is used for holding spacing pipe 130, and the side of base 200 is equipped with the locking mouth with the recess intercommunication, and locking pin 400 is used for inserting spacing pipe 130 through the locking mouth to make swinging boom 100 and base 200 fixed.

As shown in fig. 6, 7 and 9-12, a portable oxygenation device according to an embodiment of the present disclosure, comprising the oxygenation device of any of the above claims 1-5, further comprising: the extracorporeal lung membrane host 30 is provided with a blood pump driving device; the two ends of the blood pump 40 and the blood pump 40 are respectively communicated with the oxygenation device and the extracorporeal lung membrane host 30 for blood circulation.

The ECMO blood pump, the oxygenator and the host are directly connected in the present disclosure, so that the integration and portability of the blood pump 112, the oxygenating device and the extracorporeal lung membrane host 30 are greatly improved, and the complexity of the ECMO system and the complexity of the pipeline connection therebetween are reduced. Meanwhile, the embodiment of the disclosure solves the technical problems that the relevance between the oxygenator and the host is small and the like due to the fact that the oxygenator and the host are separately arranged in the existing ECMO product.

In a related embodiment, the less relevant relationship between the oxygenator and the host is inconvenient in ECMO delivery and clinical emergency. In the embodiment of the present disclosure, the oxygenator 20 is directly connected to the external lung membrane host 30 through a mechanical connection structure, and the relationship between the oxygenator 20 and the external lung membrane host 30 is small, so that the integration level and the portability of the oxygenator 20 and the external lung membrane host 30 are greatly improved. The oxygenator 20 and the extracorporeal lung membrane host 30 are connected in two states, so that the pre-charging and air-discharging efficiency is improved, the flow field is improved, and the performance of the portable ECMO system is greatly improved. Meanwhile, the switching between the two states is simple and easy, and great convenience is provided for the use of doctors.

As shown in fig. 6, 9 and 10, in some embodiments, the stent 10 further comprises a second connecting plate 600, the second connecting plate 600 being fixed to the top surface of the in vitro lung membrane host 30; the base 200 is fixed to the top surface of the second connection plate 600.

As shown in fig. 9-12, in some embodiments, the blood pump 40 includes: a pump head 112 and a connector, the pump head 112 is disposed on one side of the extracorporeal lung membrane host 30, and the connector connects the oxygenation device and the pump head 112. In some embodiments, the connector is a medical fluid line.

In the ECMO system of an embodiment, the pump head 112 is directly connected to the back of the external lung membrane main body 30, and the oxygenator 20 is connected to the external lung membrane main body 30 through a connecting member, so that the whole system is simple and convenient in pipeline connection, and convenient to transport and move.

In an exemplary ECMO system, the pump head 112 can be directly attached to the magnetic coupling drive interface of the extracorporeal lung membrane main unit 30, the outlet end of the pump head 112 is directly connected to the inlet end of the oxygenator 20 through a pipeline, and the oxygenator 20 is connected to the extracorporeal lung membrane main unit 30 through the second connecting plate 600. The oxygenator 20 is fixed on the upper surface of the in vitro lung membrane host 30 through a second connecting component, and is connected with the in vitro lung membrane host 30. The other end of the in vitro lung membrane host 30 is two rods with a certain width, the upper surface of each rod is provided with a clamping groove 220, each clamping groove 220 is provided with a cylindrical continuous groove, namely, the bottom surface of each clamping groove 220 is provided with a limiting toothed plate, so that the supporting rod 300 is in contact with the supporting rod, and the tail end of the supporting rod 300 is provided with a rotating part connecting structure. The rotating arm 100 can be attached to the upper surface of the base 200, the end of the rotating arm is designed with a rotating member connecting structure, the rotating member connecting structure is connected to the base 200, and the inner side surface of the rotating arm can be provided with a rectangular clamping groove 220 for embedding the supporting rod 300. The first locking port 210 is opened on the left side of the front end of the upper surface of the base 200, the second locking port 130 matched with the rotating arm 100 is designed on the front end of the inner surface of the left rod of the rotating arm 100, and when the two are completely attached, the two can be locked by using the locking pin 400. Wherein the locking ports include a first locking port 210 and a second locking port 130. In some embodiments, the locking pin 400 is a ball locking pin, which is hung on the side of the supporting structure in an initial state and waits for use, when the rotating arm 100 and the base 200 need to be fixed, the rotating arm is inserted into the first locking hole 210 and the second locking hole 130, and the end of the rotating arm is clamped outside the rod member on the left side of the base 200 by a ball, so as to lock the rotating arm and the base, thereby ensuring the stability of the oxygenator when the oxygenator is laid down.

The handle 120 facilitates the rotation of the oxygenator 20 by the physician, and before rotating the oxygenator 20, the locking assembly 400 is pulled out to release the locking state of the rotating arm 100 and the base 200.

In the oxygen device of the embodiment of the present disclosure, the oxygenator has two placement states: one is in an inclined state, which is convenient for the oxygenator to be quickly pre-filled and exhausted; one is laid horizontally, so that blood flow can enter from the center of the upper part and then uniformly fill the periphery, the blood flow field of the oxygenator is improved, and the oxygenator is convenient to use for a long time.

It is to be understood that the above-described specific embodiments of the present disclosure are merely illustrative of or illustrative of the principles of the present disclosure and are not to be construed as limiting the present disclosure. Accordingly, any modification, equivalent replacement, improvement or the like made without departing from the spirit and scope of the present disclosure should be included in the protection scope of the present disclosure. Further, it is intended that the following claims cover all such variations and modifications that fall within the scope and bounds of the appended claims, or equivalents of such scope and bounds.

Claims

1. An oxygenation device comprising:

an oxygenator (20), the oxygenator (20) comprising a vent (111), the vent (111) being disposed on a top surface of the oxygenator (20);

the support (10), the support (10) includes the rotating arm (100) and the base (200), the rotating arm (100) is rotatably arranged on the base (200);

wherein the oxygenator (20) is provided on the rotary arm (100) for rotation of the oxygenator (20) relative to the base (200) such that the exhaust port (111) is located at a highest point of the oxygenator (20).

2. The device of claim 1, wherein the rotating arm (100) is provided with a first connection plate (110), the first connection plate (110) being used for connecting and/or fixing the oxygenator (20).

3. The device according to claim 1, wherein the stand (10) further comprises a support rod (300), one end of the support rod (300) is hinged with the rotating arm (100), and the other end of the support rod (300) is supported on the upper surface of the base (200).

4. The device according to claim 3, wherein a clamping groove (220) is formed in the upper surface of the base (200), a limit toothed plate is arranged on the bottom surface of the clamping groove (220), and the support rod (300) is clamped with a tooth groove of the limit toothed plate.

5. The device of claim 4, wherein the oxygenation device comprises a use state and a vent state;

when the oxygen device is in a use state, the rotating arm (100) is attached to the base (200), and the clamping groove (220) is used for accommodating the supporting rod (300);

when the oxygenation device is in an exhaust state, the support rod (300) is supported in the clamping groove (220), and the rotating arm (100) and the base (200) form a preset included angle so as to pre-charge and exhaust the oxygenator (20).

6. The device according to claim 1, wherein the cradle (10) further comprises: a handle (120), the handle (120) being arranged at an end of the swivel arm (100) remote from the base (200).

7. The device according to claim 1, wherein the cradle (10) further comprises: a locking pin (400);

the bottom surface of swinging boom (100) is equipped with spacing pipe (130), the top surface of base (200) is equipped with and is used for holding the recess of spacing pipe (130), the side of base (200) be equipped with the locking mouth of recess intercommunication, locking pin (400) are used for through locking mouth inserts spacing pipe (130), so that swinging boom (100) with base (200) are fixed.

8. A portable oxygenation device comprising the oxygenation device of any one of claims 1-5 above, further comprising:

the extracorporeal lung membrane host (30), the extracorporeal lung membrane host (30) is provided with a blood pump driving device;

and two ends of the blood pump (40) are respectively communicated with the oxygenation device and the in-vitro lung membrane host (30) and are used for blood circulation.

9. The device according to claim 8, wherein the stent (10) further comprises a second connecting plate (600), the second connecting plate (600) being fixed to a top surface of the extracorporeal pulmonary membrane host (30); the base (200) is fixed on the top surface of the second connecting plate (600).

10. The device as recited in claim 8, wherein the blood pump (40) includes: the pump head (112) is arranged on one side of the extracorporeal lung membrane host (30), and the connecting piece is connected with the oxygenation device and the pump head (112).