A liver transplant retractor

Abstract

The utility model discloses a liver transplant retractor, including a clamp handle, a support spring, a rack, a gill shaft screw and a retractor assembly, the clamp handle includes a first clamp handle and a second clamp handle, the first clamp handle and the second clamp handle are connected and fixed by the gill shaft screw, the rear part of the first clamp handle is provided with a mounting groove inwardly concave on one side of the second clamp handle, the tail end of the rack is fixed in the mounting groove by a rivet, the rear part of the second clamp handle is provided with a transversely penetrating positioning groove, the rack passes through the positioning groove correspondingly and meshes with the edge side of the positioning groove for positioning, the first clamp handle is also fixed with a support spring at the rear part of the rack by a support spring screw, the support spring and the rear part of the rack are correspondingly positioned and supported, the retractor assembly is provided with two groups and are respectively fixed to the ends of the first clamp handle and the second clamp handle by the retractor screw. The utility model has an adjustable angle, a large working surface of the retractor assembly, which ensures stable support while facilitating liver surgery operations and improving ease of use.

Description

Technical Field

[0001] The utility model relates to a liver transplant retractor. Background Art

[0002] Retractors, also known as retractors, are used to retract tissues to expose the surgical area for easy exploration and operation. They can be divided into two categories: hand-held retractors and automatic retractors. There are various shapes and sizes, and you can choose the appropriate retractor according to the needs of the operation.

[0003] The retractors currently used usually have a fixed structure and cannot be adjusted in angle. In addition, because the liver adheres to the bottom of the abdominal cavity due to gravity, it will block the affected area of ​​surgery, affecting the progress of the operation and resulting in poor results. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide a liver transplant retractor with a simple, reasonable and reliable structure, adjustable angle, and a large working surface of the retractor component, which can facilitate liver surgery while ensuring stable support and improve ease of use.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a liver transplant retractor, including a clamp handle, a support spring, a rack, a gill axis screw and a retractor assembly, the clamp handle includes a first clamp handle and a second clamp handle, the first clamp handle and the second clamp handle are connected and fixed by the gill axis screw, the rear part of the first clamp handle is concavely provided with a mounting groove on one side of the second clamp handle, the tail end of the rack is fixed in the mounting groove by a rivet, the rear part of the second clamp handle is provided with a transversely penetrating positioning groove, the rack passes through the positioning groove correspondingly and engages with the edge side of the positioning groove for positioning, the first clamp handle is also fixed with a support spring at the rear part of the rack by a support spring screw, the support spring and the rear part of the rack are correspondingly positioned and supported, and the retractor assembly is provided with two groups and is respectively fixed to the ends of the first clamp handle and the second clamp handle by the retractor screws.

[0006] In a preferred embodiment of the present invention, a concave limiting opening is provided on the back of the fixed end of the rack.

[0007] In a preferred embodiment of the utility model, a recess is provided in the middle of the front end of the support spring to provide a corresponding positioning support for the back of the rack at the limit opening.

[0008] In a preferred embodiment of the present invention, the two groups of retraction components are arranged in a symmetrical structure.

[0009] In a preferred embodiment of the present invention, the retraction assembly includes a retraction frame and a retraction strip.

[0010] In a preferred embodiment of the present invention, the distraction frame is provided in a strip-shaped structure and has transversely penetrating positioning holes on both sides.

[0011] In a preferred embodiment of the utility model, the distraction strip is arranged in a U-shaped structure and both ends are bent in the same direction with the plane where the distraction strip is located to form an acute angle structure. The two ends of the distraction strip are respectively inserted into the positioning holes and fixed by argon arc welding.

[0012] The beneficial effects of the utility model are as follows: the liver transplant retractor pointed out by the utility model has a simple, reasonable and reliable structure, an adjustable angle, a large working surface of the retractor component, which ensures stable support while facilitating liver surgery operations and improving ease of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0014] Figure 1 It is a partial front cross-sectional view of a preferred embodiment of a liver transplant retractor of the utility model except for the retractor component;

[0015] Figure 2 It is a partial side sectional view of a preferred embodiment of a liver transplant retractor of the utility model;

[0016] Figure 3 It is a front view of a support spring of a preferred embodiment of a liver transplant retractor of the utility model;

[0017] Figure 4 yes Figure 2 A partial cross-sectional view of the A direction. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1 Combination Figure 2-Figure 4 As shown, the embodiment of the utility model includes:

[0020] A liver transplant retractor comprises a clamp handle, a support spring 1, a rack 2, a branchial axis screw 3 and a retractor assembly.

[0021] The pliers handle comprises a first pliers handle 4 and a second pliers handle 5, which are connected and fixed by a gill axis screw 3, and are driven to rotate around the gill axis screw 3 by holding the tail of the first pliers handle 4 and the second pliers handle 5.

[0022] The rear portion of the first clamp handle 4 is concavely provided with a mounting groove 6 on one side of the second clamp handle 5 , and the tail end of the rack 2 is fixed in the mounting groove 6 by a rivet 7 , and the rack 2 can be rotated and adjusted around the rivet 7 .

[0023] A transverse positioning groove 8 is provided at the rear of the second clamp handle 5, and the rack 2 passes through the positioning groove 8 and engages with the edge of the positioning groove 8 for positioning. The first clamp handle 4 and the second clamp handle 5 are opened and closed, and the teeth of the rack 2 engage with the edge of the positioning groove 8 for positioning.

[0024] The first clamp handle 4 is also fixed with a support spring 1 at the rear part of the rack 2 through a support spring screw 9. The back of the fixed end of the rack 2 is provided with a concave limiting opening 10. The middle part of the front end of the support spring 1 is concavely provided with a bayonet 11 which corresponds to the back of the rack 2 at the limiting opening 10 for positioning support. By clamping the bayonet 11 of the support spring 1 at the limiting opening 10 on the back of the rack 2, the positioning support of the rack 2 and the support stability can be guaranteed.

[0025] The retraction components are provided in two groups and are respectively fixed to the ends of the first clamp handle 4 and the second clamp handle 5 by retraction screws 12. The two groups of retraction components are arranged in a symmetrical structure, which is convenient for the use of retraction and stability.

[0026] The retraction assembly includes a retraction frame 13 and a retraction bar 14. The retraction frame 13 is arranged in a strip-shaped structure and has transversely penetrating positioning holes 15 on both sides, and is fixed in the middle by a retraction screw 12 for easy loading and unloading. The retraction bar 14 is arranged in a U-shaped structure and the two ends are bent in the same direction with the plane where the retraction bar 14 is located to form an acute angle structure, which is stretched by the acute angle surface to facilitate surgical operations. The two ends of the retraction bar 14 are respectively inserted into the positioning holes 15 and fixed by argon arc welding to ensure installation stability.

[0027] In summary, the liver transplant retractor pointed out by the utility model has a simple, reasonable and reliable structure, an adjustable angle, a large working surface of the retractor component, which ensures stable support while facilitating liver surgery and improving ease of use.

[0028] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A liver transplant retractor, characterized in that: It includes a pliers handle, a support spring, a rack, a gill axis screw and a retraction assembly, the pliers handle includes a first pliers handle and a second pliers handle, the first pliers handle and the second pliers handle are connected and fixed by the gill axis screw, the rear part of the first pliers handle is concavely provided with a mounting groove on one side of the second pliers handle, the tail end of the rack is fixed in the mounting groove by a rivet, the rear part of the second pliers handle is provided with a transversely penetrating positioning groove, the rack passes through the positioning groove correspondingly and engages with the edge side of the positioning groove for positioning, the first pliers handle is also fixed with a support spring at the rear part of the rack by a support spring screw, the support spring and the rear part of the rack are correspondingly positioned and supported, the retraction assembly is provided with two groups and are respectively fixed to the ends of the first pliers handle and the second pliers handle by retraction screws.

2. The liver transplant retractor according to claim 1, characterized in that: The back of the fixed end of the rack is provided with a concave limiting opening.

3. The liver transplant retractor according to claim 2, characterized in that: The front end middle part of the support spring is concavely provided with a bayonet and a corresponding positioning support at the back of the rack at the limiting opening.

4. The liver transplant retractor according to claim 1, characterized in that: The two groups of retraction components are arranged in a symmetrical structure.

5. The liver transplant retractor according to claim 4, characterized in that: The retraction assembly comprises a retraction frame and a retraction strip.

6. The liver transplant retractor according to claim 5, characterized in that: The distraction frame is arranged in a strip-shaped structure and has transversely penetrating positioning holes respectively arranged on both sides.

7. The liver transplant retractor according to claim 6, characterized in that: The distraction strip is arranged in a U-shaped structure, and the two ends are bent in the same direction with the plane where the distraction strip is located to form an acute angle structure. The two ends of the distraction strip are respectively inserted into the positioning holes and fixed by argon arc welding.

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