Carotid endarterectomy scalpel device

Abstract

The utility model discloses a carotid endarterectomy scalpel device which comprises a placing assembly, an air bag assembly, a scalpel body assembly and a connecting assembly, the placing assembly comprises blood placing rings and a connecting base, the connecting base is fixedly installed at one end of the blood placing rings and located between the blood placing rings, and the air bag assembly is connected with the scalpel body assembly. The blood containing ring is arranged at the two ends of an operation window, the blood containing ring is arranged between the connecting seats, the air bag assembly is arranged outside the blood containing ring, and the scalpel body assembly is arranged between the connecting seats, the containing assemblies are arranged at the two ends of the operation window and connected through the connecting assemblies, and when the connecting assemblies are connected, the connecting heads are connected with the connecting seats; the clamping heads are clamped in the corresponding clamping grooves through the elastic force of the springs, so that the stability of connection between the connector and the connecting base is guaranteed, blood leakage is prevented, and the blood sampling device has the advantages of being high in practicability and stable in connection.

Description

Technical Field

[0001] The utility model relates to the technical field of surgical knives, in particular to a surgical knife for carotid endarterectomy. Background Art

[0002] Carotid endarterectomy is a method of removing thickened carotid intimal atherosclerotic plaques and preventing stroke caused by plaque shedding. It has been proven to be an effective method for preventing and treating ischemic cerebrovascular diseases. Carotid endarterectomy is a dredging surgery that shifts the focus of attention to cerebrovascular diseases forward and prevents cerebral infarction. Generally, this surgery is performed after the patient has clinical symptoms such as transient cerebral ischemia and cerebral thrombosis. The invention patent with publication number CN110074847A discloses a carotid endarterectomy scalpel instrument monomer structure, including a tubular catheter body head, and also including a rear cover body, a side of the rear cover body is provided with a circular groove, and one end of the catheter body head is installed in the circular groove. However, when the scalpel is used, the hose and the monomer structure are connected and used, and blood circulates between the hose and the monomer structure, and the hose and the blood opening are unstable and insufficiently sealed, which easily causes blood leakage. Therefore, it is very necessary to design a carotid endarterectomy scalpel with strong practicality and stable connection. Utility Model Content

[0003] The utility model aims to provide a carotid endarterectomy surgical knife to solve the problems raised in the above-mentioned background technology.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a carotid endarterectomy surgical knife, comprising a placement component, an airbag component, a knife body component and a connecting component, the placement component comprising a blood placement ring and a connecting seat, the connecting seat is fixedly installed at one end of the blood placement ring and the connecting seat is located between the blood placement rings, the airbag component is arranged outside the blood placement ring, and the knife body component is arranged between the connecting seats, the connecting component comprises a connecting hose and a connecting head, the two ends of the connecting head are symmetrically provided with placement grooves, a spring is fixedly installed in the placement groove, a button is fixedly installed at one end of the spring, an L-shaped connecting rod is fixedly installed at one end of the button adjacent to the spring, a connecting groove is opened at the upper end of the connecting seat, one end of the L-shaped connecting rod is movably installed in the corresponding connecting groove, a clamping joint is fixedly installed at one end of the L-shaped connecting rod, a clamping groove is opened at one end of the connecting groove, and the clamping joint is movably installed in the corresponding clamping groove, and the blood placement ring is connected with the connecting seat and the connecting hose.

[0005] According to the above technical solution, the airbag assembly includes an annular groove, an airbag, an air inlet pipe, a one-way air inlet valve and a control valve. The annular groove is symmetrically opened on the outer wall of the blood placement ring. The airbag is sleeved in the corresponding annular groove. The air inlet pipe is fixedly installed on the upper end of the connecting seat and one end is respectively connected to the airbag. The one-way air inlet valve is fixedly installed outside the airbag, and the control valve is fixedly installed on one end of the air inlet pipe.

[0006] According to the above technical solution, the knife body assembly includes a rotating seat, a turning handle and a cutting knife. The rotating seat is movably mounted on one end of the connecting seat, the turning handle is fixed on the corresponding rotating seat, and the cutting knife is fixed on the turning handle.

[0007] According to the above technical solution, the button is symmetrically fixed with a limiting block, the placement slot is symmetrically provided with limiting slots, the limiting block is movably installed in the corresponding limiting slot, and the outer wall surface of the button is flush with the outer wall surface of the connector.

[0008] According to the above technical solution, a sealing strip is fixedly installed at the lower end of the connector, a sealing groove is opened at the upper end of the connector seat, and the sealing strip is movably installed in the corresponding sealing groove.

[0009] According to the above technical solution, an inclined surface is provided at one end of the clamping joint.

[0010] Compared with the prior art, the beneficial effects achieved by the utility model are as follows: the utility model is provided with a placement component, the placement component is placed at both ends of the surgical window, and is connected through a connection component. When the connection component is connected, the connector and the connection seat are connected, and the card connector is clamped in the corresponding card connection groove by the elastic force of the spring, so as to ensure the stability of the connection between the connector and the connection seat and prevent blood leakage. The inclined surface can make the card connector more convenient when fixing, and the connector can be directly pressed and plugged. At the same time, it can be disassembled by pressing a button, which is convenient and quick to disassemble, and easy to clean and disinfect. The coordinated use of the grooves can increase the sealing between the connector and the connector seat to prevent blood leakage and affect the progress of carotid endarterectomy. Blood circulates through the blood placement ring, the connector seat and the connecting hose. The airbag can form a ring-shaped airbag and abut against the inner wall of the blood vessel to hinder blood outflow and ensure the normal progress of carotid endarterectomy. The position of the surgical window does not circulate blood, which is convenient for people to perform carotid endarterectomy and can ensure the normal progress of carotid endarterectomy. Each time the endothelium is cut, the cutting knife can be rotated to place it between the endothelium and the inner wall of the blood vessel to prevent adhesion. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0012] Figure 1 It is a partial three-dimensional schematic diagram of the utility model;

[0013] Figure 2 It is a main schematic diagram of the utility model;

[0014] Figure 3 It is a schematic diagram of the main cross-sectional view of the utility model;

[0015] Figure 4 This utility model Figure 3 The enlarged schematic diagram of point A in the middle;

[0016] Figure 5 This utility model Figure 3 The enlarged schematic diagram of point B in the middle;

[0017] In the figure: 1-placing component, 11-blood placing ring, 12-connecting seat, 121-connecting groove, 122-clamping groove, 123-sealing groove, 2-air bag component, 21-annular groove, 22-air bag, 23-inlet pipe, 24-one-way air inlet valve, 25-control valve, 3-knife body component, 31-rotating seat, 32-handle, 33-cutting knife, 4-connecting component, 41-connecting hose, 42-connecting head, 421-placing groove, 4211-limiting groove, 422-spring, 423-button, 4231-limiting block, 424-L-shaped connecting rod, 425-clamping joint, 426-sealing strip, 427-inclined surface. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-5The utility model provides a technical solution: a carotid endarterectomy surgical knife, comprising a placement component 1, an airbag component 2, a knife body component 3 and a connecting component 4, wherein the placement component 1 comprises a blood placement ring 11 and a connecting seat 12, wherein the connecting seat 12 is fixedly mounted at one end of the blood placement ring 11 and the connecting seat 12 is located between the blood placement rings 11, the airbag component 2 is arranged outside the blood placement ring 11, and the knife body component 3 is arranged between the connecting seats 12, the connecting component 4 comprises a connecting hose 41 and a connecting head 42, placement grooves 421 are symmetrically provided at both ends of the connecting head 42, a spring 422 is fixedly installed in the placement groove 421, a button 423 is fixedly installed at one end of the spring 422, an L-shaped connecting rod 424 is fixedly installed at one end of the button 423 adjacent to the spring 422, a connecting groove 121 is provided at the upper end of the connecting seat 12, one end of the L-shaped connecting rod 424 is movably installed in the corresponding connecting groove 121, and the L-shaped connecting rod 4 A clamping joint 425 is fixedly installed at one end of 24, and a clamping groove 122 is opened at one end of the connecting groove 121. The clamping joint 425 is movably installed in the corresponding clamping groove 122. The blood placement ring 11 is connected to the connecting seat 12 and the connecting hose 41. When performing carotid endarterectomy, the placement component 1 is placed at both ends of the surgical window and connected through the connecting component 4. When the connecting component 4 is connected, the connecting head 42 and the connecting seat 12 are connected, and the clamping joint 425 is clamped in the corresponding clamping groove 122 by the elastic force of the spring 422 to ensure the stability of the connection between the connecting head 42 and the connecting seat 12 to prevent blood leakage. At the same time, when disassembling, it can be done by pressing the button 423. The disassembly is convenient and quick, and it is also convenient for cleaning and disinfection. Blood circulates through the blood placement ring 11, the connecting seat 12 and the connecting hose 41, and blood does not circulate at the position of the surgical window, which is convenient for people to perform carotid endarterectomy and can ensure the normal progress of carotid endarterectomy.

[0020] Specifically, the airbag assembly 2 includes an annular groove 21, an airbag 22, an air inlet pipe 23, a one-way air inlet valve 24 and a control valve 25. The annular groove 21 is symmetrically opened on the outer wall of the blood placement ring 11. The airbag 22 is sleeved in the corresponding annular groove 21. The air inlet pipe 23 is fixedly installed on the upper end of the connecting seat 12 and one end is respectively connected to the airbag 22. The one-way air inlet valve 24 is fixedly installed outside the airbag 22. The control valve 25 is fixedly installed on one end of the air inlet pipe 23. The airbag 22 can form an annular airbag and abut against the inner wall of the blood vessel to hinder blood outflow and ensure the normal progress of carotid endarterectomy.

[0021] Specifically, the knife body assembly 3 includes a rotating seat 31, a turning handle 32 and a cutting knife 33. The rotating seat 31 is movably installed at one end of the connecting seat 12, the turning handle 32 is fixed on the corresponding rotating seat 31, and the cutting knife 33 is fixedly installed on the turning handle 32. Each time the endothelium is cut, the cutting knife 33 can be rotated to be placed between the endothelium and the inner wall of the blood vessel to prevent adhesion.

[0022] Specifically, the button 423 is symmetrically fixed with a limiting block 4231, the placement slot 421 is symmetrically provided with a limiting slot 4211, the limiting block 4231 is movably installed in the corresponding limiting slot 4211, the outer wall surface of the button 423 is flush with the outer wall surface of the connecting head 42, and through the coordinated use of the limiting block 4231 and the limiting slot 4211, the button 423 can be flush with the outer wall surface of the connecting head 42, thereby increasing the smoothness and aesthetics of the outer wall surface of the connecting head 42.

[0023] Specifically, a sealing strip 426 is fixedly installed at the lower end of the connecting head 42, and a sealing groove 123 is opened at the upper end of the connecting seat 12. The sealing strip 426 is movably installed in the corresponding sealing groove 123. Through the coordinated use of the sealing strip 426 and the sealing groove 123, the sealing between the connecting head 42 and the connecting seat 12 can be increased to prevent blood leakage and affect the progress of carotid endarterectomy.

[0024] Specifically, an inclined surface 427 is provided at one end of the card connector 425 , and the inclined surface 427 can make it easier to fix the card connector 425 , and the connector 42 can be directly pressed and plugged.

[0025] Working principle: When performing carotid endarterectomy, the placement component 1 is placed at both ends of the surgical window and connected through the connecting component 4. When the connecting component 4 is connected, the connector 42 is connected to the connecting seat 12, and the card connector 425 is carded into the corresponding card slot 122 by the elastic force of the spring 422 to ensure the stability of the connection between the connector 42 and the connecting seat 12 and prevent blood leakage. The inclined surface 427 can make the card connector 425 more convenient to fix. The connector 42 can be directly pressed and plugged. At the same time, it can be disassembled by pressing the button 423. The disassembly is convenient and quick, and it is also easy to clean and disinfect. The sealing strip 426 and the sealing groove The coordinated use of 123 can increase the sealing between the connector 42 and the connector seat 12 to prevent blood leakage and affect the progress of carotid endarterectomy. Blood circulates through the blood placement ring 11, the connector seat 12 and the connecting hose 41. The airbag 22 can form a ring-shaped airbag and abut against the inner wall of the blood vessel to hinder blood outflow and ensure the normal progress of carotid endarterectomy. The position of the surgical window does not circulate blood, which is convenient for people to perform carotid endarterectomy and can ensure the normal progress of carotid endarterectomy. Each time the endothelium is cut, the rotatable cutting knife 33 can be placed between the endothelium and the inner wall of the blood vessel to prevent adhesion.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A carotid endarterectomy surgical knife, comprising a placement component (1), an airbag component (2), a knife body component (3) and a connection component (4), characterized in that: The placement assembly (1) comprises a blood placement ring (11) and a connecting seat (12), wherein the connecting seat (12) is fixedly mounted at one end of the blood placement ring (11) and the connecting seat (12) is located between the blood placement rings (11), the airbag assembly (2) is arranged outside the blood placement ring (11), the knife body assembly (3) is arranged between the connecting seats (12), the connecting assembly (4) comprises a connecting hose (41) and a connecting head (42), the two ends of the connecting head (42) are symmetrically provided with placement grooves (421), a spring (422) is fixedly mounted in the placement groove (421), and one end of the spring (422) is fixedly mounted with A button (423), an L-shaped connecting rod (424) is fixedly installed at one end of the button (423) adjacent to the spring (422), a connecting groove (121) is provided at the upper end of the connecting seat (12), one end of the L-shaped connecting rod (424) is movably installed in the corresponding connecting groove (121), a clamping joint (425) is fixedly installed at one end of the L-shaped connecting rod (424), a clamping groove (122) is provided at one end of the connecting groove (121), the clamping joint (425) is movably installed in the corresponding clamping groove (122), and the blood placement ring (11) is connected to the connecting seat (12) and the connecting hose (41).

2. The carotid endarterectomy surgical knife according to claim 1, characterized in that: The airbag assembly (2) comprises an annular groove (21), an airbag (22), an air intake pipe (23), a one-way air intake valve (24) and a control valve (25); the annular groove (21) is symmetrically arranged on the outer wall of the blood placement ring (11); the airbag (22) is sleeved in the corresponding annular groove (21); the air intake pipe (23) is fixedly mounted on the upper end of the connecting seat (12) and one end of the air intake pipe is respectively connected to the airbag (22); the one-way air intake valve (24) is fixedly mounted outside the airbag (22); and the control valve (25) is fixedly mounted on one end of the air intake pipe (23).

3. The carotid endarterectomy surgical knife according to claim 2, characterized in that: The knife body assembly (3) comprises a rotating seat (31), a turning handle (32) and a cutting knife (33); the rotating seat (31) is movably mounted on one end of the connecting seat (12); the turning handle (32) is fixed on the corresponding rotating seat (31); and the cutting knife (33) is fixedly mounted on the turning handle (32).

4. The carotid endarterectomy surgical knife according to claim 3, characterized in that: The button (423) is symmetrically fixedly installed with a limiting block (4231), the placement groove (421) is symmetrically provided with a limiting groove (4211), the limiting block (4231) is movably installed in the corresponding limiting groove (4211), and the outer wall surface of the button (423) is flush with the outer wall surface of the connecting head (42).

5. The carotid endarterectomy surgical knife according to claim 4, characterized in that: A sealing strip (426) is fixedly mounted on the lower end of the connecting head (42), a sealing groove (123) is formed on the upper end of the connecting seat (12), and the sealing strip (426) is movably mounted in the corresponding sealing groove (123).

6. The carotid endarterectomy surgical knife according to claim 5, characterized in that: An inclined surface (427) is formed at one end of the clamping joint (425).

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