CN214907712U

CN214907712U - Thrombus suction anti-blocking device for vascular surgery

Info

Publication number: CN214907712U
Application number: CN202121414081.1U
Authority: CN
Inventors: 陈冰宜; 李延; 刘蓉
Original assignee: First Affiliated Hospital of Medical College of Xian Jiaotong University
Current assignee: First Affiliated Hospital of Medical College of Xian Jiaotong University
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-11-30
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a thrombus absorption anti-blocking device for vascular surgery, which comprises an extraction tube, wherein the left side of the extraction tube is integrally surrounded with a plurality of extraction holes which can absorb thrombus, the left side of the extraction tube is fixedly sleeved with an exfoliation mechanism which can strip the thrombus, the left side of the inside of the extraction tube is rotatably provided with a cutting mechanism which can prevent the extraction tube from being blocked, the inner middle end of the inside of the extraction tube is integrally provided with a communicating hole, the right side of the exfoliation mechanism is fixedly provided with a pushing mechanism, the inner right side of the extraction tube is slidably provided with a control mechanism which can extract the thrombus, the thrombus absorption anti-blocking device for vascular surgery can extract small thrombus through the extraction tube by medical personnel, and can clamp large thrombus by a collapse bar simultaneously, thereby knowing that different thrombi can be absorbed by using the device in the application, simultaneously, the blockage in the pumping pipe is prevented, and the thrombus pumping efficiency is improved.

Description

Thrombus suction anti-blocking device for vascular surgery

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to stifled device is prevented with thrombus absorption to vascular surgery.

Background

Thrombi are small patches of blood flow that form on the surface of a denuded or repaired site within a blood vessel of the cardiovascular system. In the variable fluid-dependent type, the thrombus is composed of insoluble fibrin, deposited platelets, accumulated white blood cells and entrapped red blood cells. The blood vessel therapy is mainly a pharmacotherapy method and an artificial mechanical method, wherein the thrombus aspiration is an interventional therapy method for sucking out thrombus through an aspiration catheter by using a negative pressure aspiration principle. This treatment is mainly the case where the blood vessel contains a large amount of thrombus.

When the thrombus in the blood vessel is condensed together in the existing method, the thrombus is excessively viscous, when the thrombus is extracted, the tube is easy to be blocked by the thrombus, the thrombus is inconvenient to be extracted, the efficiency of extracting the thrombus is reduced, and when the thrombus is too large and cannot be extracted, the thrombus structure needs to be damaged and absorbed, at the moment, the separated thrombus is transferred to other parts along with blood, the operation treatment effect is poor easily, or other blood vessels are blocked, and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: provides a thrombus suction anti-blocking device for vascular surgery to solve the problems of the background technology.

In order to solve the technical problem, the technical scheme of the utility model is that: blood vessel surgery is with thrombus absorption anti-blocking device, including the extraction pipe, extraction pipe left side an organic whole encircle the extraction hole that can absorb the thrombus that is equipped with a plurality of, extraction pipe left side external fixation cover be equipped with can peel off the peeling mechanism who peels off the thrombus, the inside left side of extraction pipe rotate and be equipped with the cutting mechanism that can prevent the extraction pipe jam, the inside middle-end an organic whole of extraction pipe be equipped with the intercommunicating pore, peeling mechanism right side set firmly pushing mechanism, the inside right side of extraction pipe slide and be equipped with the control mechanism that can carry out the thrombus and extract.

Furthermore, the stripping mechanism consists of a fixed block, a tipping strip and a push block.

Further, the fixed cover of extraction pipe left side outside be equipped with the fixed block, the fixed block right side set firmly and collapse the strip, just collapse a quantity be a plurality of, evenly encircle in the fixed block right side, the outside slip cover of extraction pipe be equipped with the ejector pad, just collapse strip and ejector pad fixed connection.

Furthermore, the cutting mechanism comprises a rotating rod and a rotating tooth.

Further, the inside left side of extraction tube rotate and be equipped with the dwang, just the dwang cross section be the hexagon, the dwang outside set firmly and change the tooth, just change tooth quantity be a plurality of, evenly encircle in the dwang outside.

Furthermore, the pushing mechanism consists of a moving rod, a moving block, a spring piece and a push rod.

Furthermore, the upper end and the lower end of the right side of the pushing block are fixedly provided with moving rods, the right side of the moving rods is fixedly provided with moving blocks, the moving blocks are connected with the extracting pipe in a sliding mode, the right side of the moving blocks is fixedly provided with springs, the springs are fixedly connected with the extracting pipe, the upper end and the lower end of the outer portion of the extracting pipe are fixedly provided with spring pieces, and the upper end and the lower end of the outer portion of the extracting pipe are provided with push rods in a sliding mode.

Furthermore, the control mechanism consists of a piston, a control rod, a connecting groove and a handle.

Further, the inside right side of extraction pipe slip be equipped with the piston, the inside fixed control rod that runs through of piston, control rod left side an organic whole be equipped with the spread groove, just spread groove and dwang sliding connection, just spread groove cross section be the hexagon, the control rod right side set firmly the handle.

Compared with the prior art, this stifled device is prevented with thrombus absorption in vascular surgery, medical personnel's accessible extraction tube extract the thrombus, collapse the strip simultaneously and can press from both sides big thrombus and get, can know from this, through using the device in this application, can absorb different thrombi, prevent simultaneously to take out intraductal jam, improve the efficiency of extraction thrombus.

Drawings

FIG. 1 is a front cross-sectional view of a thrombus aspiration anti-clogging device for vascular surgery;

FIG. 2 is a front sectional view of a collapse strip of the thrombus absorption anti-blocking device for vascular surgery in a using state;

FIG. 3 is a right side cross-sectional view of the cutting mechanism;

FIG. 4 is a partial front cross-sectional view of the pushing mechanism;

fig. 5 is a perspective view of the thrombus suction anti-clogging device for vascular surgery.

The device comprises an extraction pipe 1, an extraction hole 2, a stripping mechanism 3, a cutting mechanism 4, a communication hole 5, a pushing mechanism 6, a control mechanism 7, a fixed block 301, a collapse bar 302, a pushing block 303, a rotating rod 401, a rotating tooth 402, a moving rod 601, a moving block 602, a spring 603, a spring piece 604, a push rod 606, a piston 701, a control rod 702, a connecting groove 703 and a handle 704.

The following detailed description will be further described in conjunction with the above-identified drawings.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments. It will be apparent, however, to one skilled in the art, that the described embodiments may be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, the thrombus absorption anti-blocking device for vascular surgery comprises an extraction tube 1, an extraction hole 2 which is provided with a plurality of pieces of thrombus and can absorb thrombus is integrally surrounded on the left side of the extraction tube 1, an exfoliation mechanism 3 which can strip thrombus is fixedly sleeved on the outer side of the left side of the extraction tube 1, a cutting mechanism 4 which can prevent the extraction tube 1 from being blocked is rotatably arranged on the left side of the inner part of the extraction tube 1, a communication hole 5 is integrally arranged at the middle end of the inner part of the extraction tube 1, a pushing mechanism 6 is fixedly arranged on the right side of the exfoliation mechanism 3, a control mechanism 7 which can extract thrombus is slidably arranged on the right side of the inner part of the extraction tube 1, the exfoliation mechanism 3 is composed of a fixed block 301, a disintegrating strip 302 and a pushing block 303, a fixed block 301 is fixedly sleeved on the outer side of the extraction tube 1, a disintegrating strip 302 is fixedly arranged on the right side of the fixed block 301, the number of the disintegrating strips 302 is a plurality of pieces, the disintegrating strips 302 are uniformly wound on the right side of the fixed block 301, the push block 303 is slidably sleeved outside the extracting tube 1, the disintegrating strips 302 are fixedly connected with the push block 303, the cutting mechanism 4 comprises a rotating rod 401 and a rotating tooth 402, the rotating rod 401 is rotatably arranged on the left side inside the extracting tube 1, the cross section of the rotating rod 401 is hexagonal, the rotating tooth 402 is fixedly arranged outside the rotating rod 401, the number of the rotating teeth 402 is a plurality of pieces, the rotating teeth are uniformly wound outside the rotating rod 401, the pushing mechanism 6 comprises a moving rod 601, a moving block 602, a spring 603, a spring piece 604 and a push rod 605, the moving rod 601 is fixedly arranged at the upper end and the lower end of the right side of the push block 303, the moving block 602 is fixedly arranged on the right side of the moving rod 601, the moving block 602 is slidably connected with the extracting tube 1, the spring 603 is fixedly arranged on the right side of the moving block 602, the spring 603 is fixedly connected with the extraction pipe 1, the spring piece 604 is fixedly arranged at the upper end and the lower end of the outside of the extraction pipe 1, the push rod 605 is slidably arranged at the upper end and the lower end of the right side of the outside of the extraction pipe 1, the control mechanism 7 is composed of a piston 701, a control rod 702, a connecting groove 703 and a handle 704, the piston 701 is slidably arranged at the right side of the inside of the extraction pipe 1, the control rod 702 is fixedly arranged in the piston 701 in a penetrating manner, the connecting groove 703 is integrally arranged at the left side of the control rod 702, the connecting groove 703 is slidably connected with the rotating rod 401, the cross section of the connecting groove 703 is hexagonal, and the handle 704 is fixedly arranged at the right side of the control rod 702.

This stifled device is prevented with thrombus absorption for vascular surgery, during the use, medical personnel hold extraction tube 1 right side at first, will collapse the strip 302 and place in patient's blood vessel inside again, later can remove handle 704 to the right, make handle 704 drive control lever 702 and piston 701 remove along the direction of spread groove 703 right, and then make the extraction tube 1 form the negative pressure, absorb the thrombus with this, and simultaneously, when the thrombus is too thick and cause the jam to extraction hole 2, medical personnel can clockwise or anticlockwise rotation handle 704, make handle 704 drive dwang 401 and change tooth 402 and rotate along extraction tube 1 inner wall, and then make the thrombus that changes tooth 402 and will block up carry out the breakage, continuously remove handle 704 to the right simultaneously, and then extract the thrombus of jam, the thrombus after the extraction inhales extraction tube 1 right side through the intercommunicating pore. In addition, according to the practical use situation, when the thrombus is too large and can not be extracted, the medical staff can push the moving block 602 leftward, so that the moving block 602 drives the moving rod 601 to push the push block 303 to move leftward, further the breakup bar 302 is stretched, so that the large thrombus is fixed between the two breakup bars 302, at this time, the spring 603 is deformed, when the moving block 602 moves to the left side of the spring plate 604, the extrusion force of the moving rod 601 on the spring plate 604 is eliminated, further the spring plate 604 is reset to fix the current position of the moving block 602, further the state of the breakup bar 302 is fixed, meanwhile, when the moving block 602 moves to the left side of the spring plate 604 at different positions, the corresponding spring plate 604 is reset, further the moving block 602 is fixed, so that the state of the breakup bar 302 is adjusted, further different thrombi are clamped and fixed, and then the medical staff can drive the rotating teeth 402 to rotate through the handle 704, with this with the bold thrombus breakage, inside sucking extraction tube 1 through extraction hole 2 simultaneously, after the device used up, medical personnel can promote push rod 605 left for push rod 605 extrudees spring leaf 604, and then makes spring leaf 604 move to inside extraction tube 1, through the rebound effect of spring 603 this moment, make movable block 602 move left until reseing, and then the drive collapses strip 302 and resets, later medical personnel can shift out the device patient internal through handle 704.

Claims

1. Blood vessel surgery is with thrombus absorption anti-blocking device, its characterized in that includes the extraction pipe, extraction pipe left side an organic whole encircle the extraction hole that can absorb the thrombus that is equipped with a plurality of, extraction pipe left side external fixation cover be equipped with can peel off the peeling mechanism who peels off the thrombus, the inside left side of extraction pipe rotate and be equipped with the cutting mechanism that can prevent the extraction pipe jam, the inside middle-end an organic whole of extraction pipe be equipped with the intercommunicating pore, peeling mechanism right side set firmly pushing mechanism, the inside right side of extraction pipe slide and be equipped with the control mechanism that can carry out the extraction with the thrombus.

2. The thrombus suction and anti-blocking device for vascular surgery as claimed in claim 1, wherein the exfoliation mechanism is composed of a fixed block, a disintegrating strip and a pushing block.

3. The thrombus suction anti-blocking device for vascular surgery as claimed in claim 1, wherein the fixed sleeve on the left side of the extraction tube is fixedly provided with a fixed block, the right side of the fixed block is fixedly provided with a plurality of disintegrating strips, the disintegrating strips uniformly surround the right side of the fixed block, the sliding sleeve on the outside of the extraction tube is provided with a push block, and the disintegrating strips are fixedly connected with the push block.

4. A thrombus aspiration anti-blocking device for vascular surgery as claimed in claim 1, wherein the cutting mechanism is composed of a rotating rod and a rotating tooth.

5. The thrombus suction anti-blocking device for vascular surgery as claimed in claim 1, wherein a rotating rod is rotatably arranged at the left side inside the extraction tube, the cross section of the rotating rod is hexagonal, rotating teeth are fixedly arranged outside the rotating rod, and the rotating teeth are a plurality of pieces and uniformly surround the outside of the rotating rod.

6. The thrombus aspiration anti-blocking device for vascular surgery as claimed in claim 1, wherein the pushing mechanism is composed of a moving rod, a moving block, a spring leaf and a push rod.

7. The thrombus suction anti-blocking device for vascular surgery as claimed in claim 2, wherein the upper and lower ends of the right side of the pushing block are fixedly provided with a moving rod, the right side of the moving rod is fixedly provided with a moving block, the moving block is slidably connected with the extraction tube, the right side of the moving block is fixedly provided with a spring, the spring is fixedly connected with the extraction tube, the upper and lower ends of the outside of the extraction tube are fixedly provided with spring pieces, and the upper and lower ends of the right side of the outside of the extraction tube are slidably provided with push rods.

8. A thrombus aspiration anti-blocking device for vascular surgery as defined in claim 1, wherein said control mechanism is composed of a piston, a control rod, a connecting groove and a handle.

9. The thrombus suction anti-blocking device for vascular surgery as claimed in claim 1, wherein a piston is slidably provided at the right side inside the pumping tube, a control rod is fixedly provided inside the piston in a penetrating manner, a connecting groove is integrally provided at the left side of the control rod, the connecting groove is slidably connected with the rotating rod, the cross section of the connecting groove is hexagonal, and a handle is fixedly provided at the right side of the control rod.