In-vitro myocardial protection perfusion device

Abstract

The utility model discloses an in-vitro myocardial protection perfusion device which comprises a zipper, a strip-shaped liquid containing strip, a silica gel surrounding plate, a bubble adsorption plate, a deformable rubber ring plate, a rubber ring piece, a three-leaf frame, a return spring and a return wave-shaped strip. According to the utility model, the structural design is reasonable, the silica gel coaming, the deformable rubber ring plate and the bubble adsorption plate which are made of soft materials are adopted, and the whole body can be wrapped and connected to a nearby structure under the action of the zipper, so that the shape can be adjusted, and the problem of inconvenience in placing and accommodating is solved; the perfusion protection liquid in the strip-shaped liquid containing strip is discharged through the liquid guide pipe connected and communicated with the liquid inlet hole and the liquid outlet hole, no microbubble is output, the operation convenience of perfusion of the protection liquid into the isolated myocardium is improved, the effect of pressing, squeezing and resetting is achieved in combination with the return spring and the return wave-shaped strip, and labor saving and high efficiency are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of myocardial protection perfusion, and particularly relates to an ex vivo myocardial protection perfusion device. BACKGROUND

[0002] When performing some cardiac surgery, myocardial protection liquid needs to be perfused into the heart of a patient. The myocardial protection liquid is usually a mixed liquid of crystal liquid and blood, wherein the crystal liquid and the blood are mixed at a ratio of 1:4 or 4:1. The myocardial protection liquid is perfused into the heart of the patient after temperature change, so that the heart is in a mechanical activity static state during the surgery.

[0003] In the myocardial protection liquid, the existing ex vivo myocardial protection perfusion device may have a small amount of gas in the process of perfusing the mixed liquid. The gas forms bubbles, which may enter the body of the patient and cause embolism. In addition, the device is usually manually operated for perfusion, which is laborious and inconvenient to store. SUMMARY

[0004] The utility model discloses a kind of ex vivo myocardial protection perfusion devices to solve the above problems.

[0005] The utility model discloses the following technical scheme to realize the above-mentioned purpose, an ex vivo myocardial protection perfusion device, including zip fastener, strip-shaped liquid loading strip, silica gel fence, bubble adsorption plate, deformable rubber ring plate, rubber ring piece, trilobal frame, return spring and return wave form strip, the silica gel fence surface is equipped with rectangular groove, and rectangular groove notch and strip-shaped liquid loading strip edge are mutually sealed and connected, the silica gel fence both ends are mutually connected by zip fastener, and the back one-third of silica gel fence is equipped with bubble adsorption plate, the inner ring hole edge of bubble adsorption plate is connected with the bottom edge of deformable rubber ring plate, and rubber ring piece is arranged in annular space structure formed by bubble adsorption plate and deformable rubber ring plate and silica gel fence, the bottom of rubber ring piece is equipped with a plurality of trilobal frames, and trilobal frame is elastically connected with the corresponding part of bubble adsorption plate by return spring, the middle part of return wave form strip is connected with the corresponding part of the inner side of strip-shaped liquid loading strip.

[0006] Further, the strip-shaped liquid loading strip and the rectangular groove form a water loading space, and a liquid guide pipe is connected and installed in the water loading space.

[0007] Preferably, a flow rate regulator is installed on the liquid guide pipe, and a hose is connected and installed at the other end of the liquid guide pipe.

[0008] Preferably, a perfusion output interface is connected and installed on the hose.

[0009] Preferably, a pulling head is arranged on the zip fastener.

[0010] Preferably, the bubble adsorption plate and the deformable rubber ring plate are both open-ended, and the bubble adsorption plate is provided with liquid outlet holes at the edges.

[0011] Preferably, the rectangular groove is connected with a plurality of liquid inlet holes and a plurality of corresponding liquid outlet holes.

[0012] Preferably, a plurality of return force springs are equidistantly arranged on the bubble adsorption plate.

[0013] Preferably, a plurality of return force wave-shaped strips are equidistantly arranged in the rectangular groove, and the two ends of the return force wave-shaped strips are connected with the upper and lower parts of the rectangular groove, respectively.

[0014] Preferably, one side edge of the rubber ring piece is sealingly connected with the edge of the silica gel surrounding plate, and the other side edge of the rubber ring piece is sealingly connected with the edge of the deformable rubber ring plate.

[0015] Compared with the prior art, the advantages of the utility model lie in that the silica gel surrounding plate, the deformable rubber ring plate and the bubble adsorption plate are made of soft materials, and under the action of the zipper, the whole can be connected to the nearest structure, the shape can be adjusted, the problem of inconvenient storage and accommodation is solved, the infusion protective liquid in the strip-shaped liquid infusion strip is discharged through the liquid guide pipe connected and communicated through the liquid inlet hole and the liquid outlet hole, there is no micro-bubble output, the operation convenience of the ex vivo myocardial perfusion of the protective liquid is improved, and the return force spring and the return force wave-shaped strip are combined to achieve the effect of pressing, extruding, discharging and resetting, which is labor-saving and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0017] Fig. 1 It is a perspective view of the overall structure of the present application.

[0018] Fig. 2 It is a schematic view of the connection structure of the silica gel surrounding plate and the bubble adsorption plate of the present application.

[0019] Fig. 3 It is a schematic view of the local structure of the silica gel surrounding plate of the present application.

[0020] In the figure: 1, perfusion output interface; 2, hose; 3, flow rate regulator; 4, liquid guide pipe; 5, zipper; 6, pulling head; 7, strip-shaped liquid loading strip; 8, rectangular groove; 9, silica gel coaming; 10, bubble adsorption plate; 11, deformable rubber ring plate; 12, rubber ring piece; 13, liquid outlet hole; 14, three-leaf frame; 15, return spring; 16, liquid inlet hole; 17, return wave-shaped strip. DETAILED DESCRIPTION

[0021] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the embodiments described below are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] The technical solutions of the utility model will be further illustrated below in combination with the drawings and through specific embodiments.

[0023] In the description of the utility model, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] Please refer to Figs. 1-3 As shown in the figure, an ex vivo myocardial protection perfusion device comprises a zipper 5, a strip-shaped liquid loading strip 7, a silica gel coaming 9, a bubble adsorption plate 10, a deformable rubber ring plate 11, a rubber ring piece 12, a three-leaf frame 14, a return spring 15 and a return wave-shaped strip 17. The silica gel coaming 9 is provided with a rectangular groove 8 on the surface, and the groove opening of the rectangular groove 8 is in sealed connection with the edge of the strip-shaped liquid loading strip 7. The two ends of the silica gel coaming 9 are connected to each other through the zipper 5, and the bubble adsorption plate 10 is installed at one-third of the back of the silica gel coaming 9. The inner ring hole edge of the bubble adsorption plate 10 is connected to the bottom edge of the deformable rubber ring plate 11, and the rubber ring piece 12 is arranged in the annular space structure formed by the bubble adsorption plate 10, the deformable rubber ring plate 11 and the silica gel coaming 9. The bottom of the rubber ring piece 12 is provided with a plurality of three-leaf frames 14, and the three-leaf frames 14 are elastically connected to the corresponding parts of the bubble adsorption plate 10 through the return spring 15. The middle part of the return wave-shaped strip 17 is connected to the corresponding parts of the inner side of the strip-shaped liquid loading strip 7.

[0025] Further, the strip-shaped liquid loading strip 7 and the rectangular groove 8 form a water loading space, and one end of the liquid guide pipe 4 is installed in the water loading space in communication.

[0026] Further, the liquid guide pipe 4 is installed with a flow rate regulator 3, and the other end of the liquid guide pipe 4 is installed with a hose 2 in communication.

[0027] Further, the hose 2 is installed with a perfusion output interface 1 in communication.

[0028] Further, the zipper 5 is provided with a pulling head 6.

[0029] Further, the bubble adsorption plate 10 and the deformable rubber ring plate 11 are both non-closed ends, and the bubble adsorption plate 10 is provided with liquid outlet holes 13 at the edges.

[0030] Further, the rectangular groove 8 is in communication with a plurality of liquid inlet holes 16 and a plurality of corresponding liquid outlet holes 13.

[0031] Further, the return spring 15 is provided with a plurality of return springs 15, and the plurality of return springs 15 are installed equidistantly on the bubble adsorption plate 10.

[0032] Further, the return spring 15 is provided with a plurality of return springs 15, and the plurality of return springs 15 are installed equidistantly on the bubble adsorption plate 10.

[0033] Further, one side edge of the rubber ring piece 12 is sealingly connected with the edge of the silica gel fence 9, and the other side edge of the rubber ring piece 12 is sealingly connected with the edge of the deformable rubber ring plate 11.

[0034] Working principle: the silica gel fence 9, the deformable rubber ring plate 11 and the bubble adsorption plate 10 made of soft material can be wrapped and connected to the nearest structure under the action of the zipper 5, the shape can be adjusted, the problem of inconvenient loading and containing can be solved, the perfusion protective liquid in the strip-shaped liquid loading strip 7 can be discharged through the liquid guide pipe 4 connected in communication through the liquid inlet hole 16 and the liquid outlet hole 13, there is no micro-bubble output, the operation convenience of perfusing protective liquid to the isolated myocardium is improved, and the return spring 15 and the return spring 15 are combined to achieve the effect of pressing, extruding, discharging and resetting, saving labor and being efficient.

[0035] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments but can be implemented in other embodiments without departing from the scope of the present application. The embodiments are therefore to be seen as exemplary and not restrictive, the scope of the present application being defined by the appended claims and not by the above description. Any reference signs in the claims should not be construed as limiting the scope of the claims to the features to which the reference signs are attached.

[0036] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for some technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An ex vivo myocardial protection perfusion device, characterized by: The utility model relates to a liquid filling device, which comprises a zipper (5), a strip-shaped liquid filling strip (7), a silica gel surrounding plate (9), a bubble adsorption plate (10), a deformable rubber ring plate (11), a rubber ring piece (12), a three-leaf frame (14), a return spring (15) and a return wave-shaped strip (17), the silica gel surrounding plate (9) is provided with a rectangular groove (8) on the surface, and the rectangular groove (8) is connected with the edge of the strip-shaped liquid filling strip (7) in a sealed manner, the two ends of the silica gel surrounding plate (9) are connected with each other through the zipper (5), and the bubble adsorption plate (10) is installed at the back one-third of the silica gel surrounding plate (9), the inner ring hole edge of the bubble adsorption plate (10) is connected with the bottom edge of the deformable rubber ring plate (11), the rubber ring piece (12) is arranged in the annular space structure formed by the bubble adsorption plate (10), the deformable rubber ring plate (11) and the silica gel surrounding plate (9), the bottom of the rubber ring piece (12) is provided with a plurality of three-leaf frames (14), the three-leaf frames (14) are elastically connected with the corresponding parts of the bubble adsorption plate (10) through the return spring (15), and the middle part of the return wave-shaped strip (17) is connected with the corresponding parts of the inner side of the strip-shaped liquid filling strip (7).

2. The device for myocardial protection perfusion ex vivo according to claim 1, characterized in that: The strip-shaped liquid filling strip (7) and the rectangular groove (8) form a water filling space, and one end of a liquid guide pipe (4) is installed in the water filling space in a communication mode.

3. The device for myocardial protection perfusion ex vivo according to claim 2, characterized in that: The liquid guide pipe (4) is provided with a flow rate regulator (3) installed thereon, and the other end of the liquid guide pipe (4) is provided with a hose (2) installed thereon in a communication mode.

4. The device for myocardial protection perfusion ex vivo according to claim 3, characterized in that: The hose (2) is provided with a perfusion output interface (1) installed thereon in a communication mode.

5. The device of claim 1, wherein: The zipper (5) is provided with a pulling head (6).

6. The device of claim 1, wherein: The bubble adsorption plate (10) and the deformable rubber ring plate (11) are both non-closed ends, and the edge of the bubble adsorption plate (10) is provided with a liquid outlet hole (13).

7. The device of claim 1, wherein: The rectangular groove (8) is provided with a plurality of liquid inlet holes (16) and a plurality of corresponding liquid outlet holes (13) in a communication mode.

8. The device of claim 1, wherein: The return spring (15) is provided with a plurality of return springs (15) installed thereon at equal intervals.

9. The device of claim 1, wherein: The return wave-shaped strip (17) is provided with a plurality of return wave-shaped strips (17) distributed thereon at equal intervals, and the two ends of the return wave-shaped strip (17) are connected with the upper and lower parts of the rectangular groove (8) respectively.

10. The device of claim 1, wherein: The rubber ring piece (12) is connected with the edge of the silica gel surrounding plate (9) in a sealed manner on one side edge, and the other side edge of the rubber ring piece (12) is connected with the edge of the deformable rubber ring plate (11) in a sealed manner.

Images