CN211912375U

CN211912375U - Myocardial protection perfusion device for minimally invasive cardiac surgery

Info

Publication number: CN211912375U
Application number: CN201922220788.8U
Authority: CN
Inventors: 王苗
Original assignee: 王苗
Current assignee: Shanghai guangmai Medical Technology Co.,Ltd.
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-11-13
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a cardiac muscle protection perfusion device of minimal access cardiac surgery operation, including the liquid storage bag, the upper end of liquid storage bag is inserted and is equipped with feed liquor pipe, forcing pipe and back flow, the lower extreme of liquid storage bag is inserted and is equipped with a section pipe, the one end that the liquid storage bag was kept away from to a section pipe is connected with the temperature varying device that is used for changing the infusion temperature, the one end that a section pipe was kept away from to the temperature varying device is connected with two sections pipes, the one end that temperature varying device was kept away from to two sections pipes is connected with the bubble removing device who gets rid of the infusion bubble, the one end that bubble removing device kept away from two sections pipe is connected with three sections pipe, the one end veneer that bubble removing device was. In the device, the temperature changing pipe is designed, the speed of the infusion entering the temperature changing pipe is changed through the speed changing block, the flow is small, the flow speed is high, the temperature changing is more favorable for changing the temperature, the infusion is stirred by the temperature changing blade through the rotation of the rotating rod, the infusion is made to approach the side wall of the temperature changing pipe, and the infusion is enabled to be changed more uniformly and effectively.

Description

Myocardial protection perfusion device for minimally invasive cardiac surgery

Technical Field

The utility model relates to a fill technical field, especially relate to a heart muscle protection perfusion device of minimal access cardiac surgery operation.

Background

In the current medical treatment, for patients who need surgery treatment due to heart disease, the medical process of blood protection liquid perfusion needs to be carried out in the surgery, the existing perfusion device can mix crystalloid solution and blood according to the proportion of 1: 4, carry out temperature change, and then carry out blood protection liquid perfusion after the temperature change.

The existing perfusion device has poor temperature changing effect in the actual use process, or the temperature changing time is too long, so that the transfusion is not timely, or the temperature is not completely changed, so that the use risk exists, and the safety of the operation is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of low temperature changing efficiency in the prior art and providing a myocardial protection perfusion device for minimally invasive cardiac surgery.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a little wound cardiac surgery's cardiac muscle protection perfusion device, includes the liquid storage bag, the upper end of liquid storage bag is inserted and is equipped with feed liquor pipe, forcing pipe and back flow, the lower extreme of liquid storage bag is inserted and is equipped with a section pipe, the one end that the liquid storage bag was kept away from to a section pipe is connected with the alternating temperature device that is used for changing the infusion temperature, the one end that a section pipe was kept away from to the alternating temperature device is connected with two sections pipes, the one end that the alternating temperature device was kept away from to two sections pipes is connected with the bubble removal device who gets rid of the infusion bubble, the one end that bubble removal device kept away from two sections pipes is connected with three sections pipes, the one end.

Preferably, the temperature changing device comprises a temperature changing pipe, a plurality of speed changing blocks are glued to the inner wall of the temperature changing pipe, speed changing holes are formed in the side wall of each speed changing block, and a plurality of accelerating devices are glued to the inner wall of the temperature changing pipe.

Preferably, the accelerating device comprises two connecting rods and a rotating rod, the two connecting rods are symmetrically glued on the inner wall of the variable-temperature pipe, connecting holes are formed in the side walls of the two ends of the rotating rod, the two connecting rods respectively abut against the inner walls of the two connecting holes, and a plurality of variable-temperature blades are welded on the circumferential side wall of the rotating rod.

Preferably, the bubble removing device comprises a filter plate box, a plurality of filter plates are glued on the inner wall of the filter box, an air guide pipe is inserted into the side wall of the filter box, and one end, far away from the filter box, of the air guide pipe is inserted into the return pipe.

Preferably, the inner wall welding of rose box has a plurality of pivots, every the circumference lateral wall of pivot all welds by a plurality of crushing leaves.

Preferably, a plurality of the filter plates are all arranged in an inclined mode, and the inclination directions of two adjacent filter plates are opposite.

Compared with the prior art, the utility model has the advantages of:

1. in the device, the temperature-changing pipe is designed, the speed of the infusion entering the temperature-changing pipe is changed through the speed-changing block, the flow rate is small, the flow speed is high, the temperature changing is more favorable for changing the temperature, the infusion is stirred by the temperature-changing blades through the rotation of the rotating rod, the temperature-changing blades are close to the side wall of the temperature-changing pipe, the infusion is changed more uniformly and effectively, and the temperature-changing efficiency is improved.

2. In the device, due to the design of the filter plate, the infusion is filtered by the filter plate, so that bubbles in the infusion are crushed and filtered, the output infusion does not contain bubbles, the danger of bolting is avoided, and the safety of the operation is improved.

Drawings

Fig. 1 is a schematic structural view of a myocardial protection perfusion device for minimally invasive cardiac surgery according to the present invention.

Fig. 2 is a cross-sectional view of a portion of a temperature change tube.

In the figure: the device comprises a liquid storage bag 1, a liquid inlet pipe 2, a pressure pipe 3, a backflow pipe 4, a first-section pipe 5, a temperature-changing pipe 6, a speed-changing block 7, a speed-changing hole 8, a second-section pipe 9, a filter box 10, an air guide pipe 11, a filter plate 12, a rotating shaft 13, a crushing blade 14, a third-section pipe 15, a needle head 16, a connecting rod 17, a rotating rod 18, a temperature-changing blade 19 and a connecting hole 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a myocardial protection perfusion device for minimally invasive cardiac surgery comprises a liquid storage bag 1, a liquid inlet pipe 2, a pressure pipe 3 and a return pipe 4 are inserted into the upper end of the liquid storage bag 1, a section of pipe 5 is inserted into the lower end of the liquid storage bag 1, one end of the section of pipe 5, which is far away from the liquid storage bag 1, is connected with a temperature changing device for changing the infusion temperature, one end of the temperature changing device, which is far away from the section of pipe 5, is connected with a section of pipe 9, one end of the section of pipe 9, which is far away from the temperature changing device, is connected with a bubble removing device for removing infusion bubbles, one end of the bubble removing device, which is far away from the section of pipe 9, is; the temperature changing device comprises a temperature changing pipe 6, the temperature changing pipe 6 is a Z-shaped superposed pipeline, so that the remaining time of the infusion in the temperature changing part is longer, the temperature changing effect is improved, a plurality of speed changing blocks 7 are glued on the inner wall of the temperature changing pipe 6, a speed changing hole 8 is formed in the side wall of each speed changing block 7, and a plurality of accelerating devices are glued on the inner wall of the temperature changing pipe 6.

Accelerating device includes two connecting rods 17 and bull stick 18, two connecting rods 17 symmetry veneer are on the inner wall of alternating temperature pipe 6, connecting hole 20 has all been seted up to the both ends lateral wall of bull stick 18, two connecting rods 17 offset with the inner wall of two connecting holes 20 respectively, make bull stick 18 rotate round two connecting rods 17, the circumference lateral wall welding of bull stick 18 has a plurality of alternating temperature leaves 19, the impact of infusion can drive the rotation of bull stick 18, and then make alternating temperature leaf 19 promote near the pipe wall of alternating temperature pipe 6 with the infusion, make the more even change temperature of infusion, the efficiency of alternating temperature has also been improved simultaneously.

The bubble removing device comprises a filter box 10, a plurality of filter plates 12 are glued on the inner wall of the filter box 10, an air guide pipe 11 is inserted into the side wall of the filter box 10, and one end, far away from the filter box 10, of the air guide pipe 11 is inserted into the return pipe 4, so that the infusion liquid with bubbles flows back to the liquid storage bag 1, the bubble removing device is convenient to recycle, and bubbles are effectively removed.

The inner wall of the filter box 10 is welded with a plurality of rotating shafts 13, the circumferential side wall of each rotating shaft 13 is welded with a plurality of crushing blades 14, and the crushing blades 14 are driven to rotate when being impacted by the infusion, so that the crushing blades 14 crush bubbles in the infusion, and the filtering effect is improved; the filter plates 12 are all obliquely arranged, the oblique directions of the two adjacent filter plates 12 are opposite, so that bubbles entrained in the infusion are removed by filtering the infusion through the filter plates 12, and the flowing speed of the infusion is different at each point due to the oblique arrangement, so that the filtering effect is improved.

When the infusion is performed, the infusion is injected into the liquid storage bag 1 through the liquid inlet pipe 2, then the pressurizing pipe 3 inputs pressurized gas to realize pressurization, the injected infusion enters the temperature changing pipe 6 through the section of pipe 5, the outside of the temperature changing pipe 6 can be heated or cooled in a water bath manner as required, so that the temperature changing effect is realized, the infusion entering the temperature changing pipe 6 passes through the connecting hole 20, the flow of the infusion is reduced due to the small aperture of the connecting hole 20, the flow speed is increased, the infusion impacts the temperature changing vane 19, the temperature changing vane 19 rotates under impact, the temperature changing vane 19 continuously pushes the subsequent infusion to the side wall direction of the temperature changing pipe 6, so that more infusion can be more and more uniformly contacted with the side wall of the temperature changing pipe 6, the integral temperature changing efficiency is further improved, and the infusion temperature changing effect is better;

the transfusion liquid after temperature change enters the filter box 10 through the two-section pipe 9, then is filtered by the filter plate 12, so that residual bubbles in the transfusion liquid are removed, the transfusion liquid is ensured not to contain bubbles, the occurrence of embolism is avoided, the filtered bubbles enter the air duct 11 along with the transfusion liquid, and then return to the liquid storage bag 1 through the air duct 11 through the return pipe 4, the residual bubbles are avoided, the crushing blade 14 is crushed and driven to rotate in the transfusion liquid filtering process, so that the bubbles in the transfusion liquid are further eliminated, and the filtered transfusion liquid flows out from the needle head 16 through the three-section pipe 15.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a little wound cardiac surgery's cardiac muscle protection perfusion device, includes liquid storage bag (1), its characterized in that, the upper end of liquid storage bag (1) is inserted and is equipped with feed liquor pipe (2), forcing pipe (3) and back flow (4), the lower extreme of liquid storage bag (1) is inserted and is equipped with a section pipe (5), the one end that liquid storage bag (1) was kept away from in a section pipe (5) is connected with the alternating temperature device that is used for changing infusion temperature, the one end that the alternating temperature device kept away from a section pipe (5) is connected with two sections pipes (9), the one end that the alternating temperature device was kept away from in two sections pipes (9) is connected with the bubble removing device who gets rid of the infusion bubble, the one end that the bubble removing device kept away from two sections pipes (9) is connected with three sections pipes (15), the one end veneer that the bubble removing device was kept.

2. The myocardial protection perfusion device of minimally invasive cardiac surgery according to claim 1, characterized in that the temperature varying device comprises a temperature varying tube (6), a plurality of speed varying blocks (7) are glued to the inner wall of the temperature varying tube (6), a speed varying hole (8) is formed in the side wall of each speed varying block (7), and a plurality of accelerating devices are glued to the inner wall of the temperature varying tube (6).

3. The myocardial protection perfusion device of minimal invasive cardiac surgery according to claim 2, characterized in that the accelerating device includes two connecting rods (17) and a rotating rod (18), the two connecting rods (17) are symmetrically glued on the inner wall of the temperature-variable tube (6), the side walls of both ends of the rotating rod (18) are respectively provided with a connecting hole (20), the two connecting rods (17) respectively abut against the inner walls of the two connecting holes (20), and the circumferential side wall of the rotating rod (18) is welded with a plurality of temperature-variable leaves (19).

4. The myocardial protection perfusion apparatus of minimally invasive cardiac surgery according to claim 1, characterized in that the bubble removing device comprises a filter tank (10), the inner wall of the filter tank (10) is glued with a plurality of filter plates (12), the side wall of the filter tank (10) is inserted with an air duct (11), and one end of the air duct (11) far away from the filter tank (10) is inserted in the return pipe (4).

5. The myocardial protection perfusion apparatus of minimal invasive cardiac surgery according to claim 4, characterized in that a plurality of rotating shafts (13) are welded to the inner wall of the filter box (10), and a plurality of crushing leaves (14) are welded to the circumferential side wall of each rotating shaft (13).

6. The myocardial protection perfusion apparatus of minimally invasive cardiac surgery according to claim 5, wherein a plurality of the filter plates (12) are arranged in an inclined manner, and the inclination directions of two adjacent filter plates (12) are opposite.