A microtrauma scalpel sharpening tool

By designing a combination of positioning blocks and contour-following limiting rods, the problem of poor adaptability of the minimally invasive scalpel sharpening tool to different sized scalpel holder components was solved, enabling the fixing and efficient sharpening of multiple scalpel holder components.

CN224310227UActive Publication Date: 2026-06-02KUNSHAN GUOFENGCHANG ELECTRONIC TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KUNSHAN GUOFENGCHANG ELECTRONIC TECH CO LTD
Filing Date
2025-06-27
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

The blade-sharpening tooling for minimally invasive scalpels is not well-suited to different sizes of blade holder components, resulting in low processing efficiency.

Method used

A tooling for sharpening a minimally invasive scalpel has been designed, comprising a positioning block and a contouring limiting rod. Through the combination of contouring mounting holes and limiting protrusions, it can adapt to different models of scalpel holder components, enabling the fixing and sharpening of various models.

Benefits of technology

The adaptability of the blade-sharpening fixture for minimally invasive scalpels has been improved, enabling it to adapt to different models of blade holder components, thereby increasing processing efficiency and applicability.

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Abstract

This utility model discloses a minimally invasive scalpel sharpening fixture, including a positioning block. The positioning block includes a mounting surface with multiple protrusions. A receiving groove for accommodating a scalpel holder assembly is formed between the protrusions. A limiting protrusion that abuts against the scalpel holder assembly is provided within the receiving groove. The positioning block has a contoured mounting hole, through which a contoured limiting rod passes. The contoured limiting rod has a limiting position that extends out of the mounting surface and a retracted position that is received within the contoured mounting hole. In use, when the contoured limiting rod is in the limiting position, it can cooperate to limit and fix the scalpel holder assembly; when the contoured limiting rod is in the retracted position, it can avoid and, through the limiting protrusion, limit and fix another type of scalpel holder assembly. Therefore, this sharpening fixture is adaptable to different types of scalpel holder assemblies.
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Description

Technical Field

[0001] This utility model belongs to the field of tooling technology, specifically relating to a tooling for sharpening a minimally invasive surgical scalpel. Background Technology

[0002] A minimally invasive scalpel is a medical device used in minimally invasive surgery. Due to the characteristics of minimally invasive surgery—smaller trauma, less pain, and faster recovery—minimally invasive scalpels are generally smaller in size and differ structurally from conventional scalpels. A minimally invasive scalpel includes a blade holder assembly, which needs to be sharpened before use. Because blade holder assemblies vary in model and shape, different sharpening tools may be required for positioning, resulting in limited compatibility between the sharpening tool and the blade holder assembly.

[0003] Therefore, in order to address the aforementioned technical problems, it is necessary to provide a tooling for sharpening a minimally invasive surgical scalpel. Utility Model Content

[0004] The purpose of this invention is to provide a blade-sharpening tool for minimally invasive scalpels, which can solve the problem of poor adaptability of the aforementioned blade-sharpening tool to blade holder components of different sizes.

[0005] To achieve the above objectives, the technical solution provided by a specific embodiment of this utility model is as follows:

[0006] A minimally invasive surgical scalpel sharpening tool includes a positioning block, the positioning block including a mounting surface, the mounting surface having a plurality of protrusions, a receiving groove for accommodating a scalpel holder assembly being formed between the protrusions, and a limiting protrusion for abutting against the scalpel holder assembly being provided in the receiving groove;

[0007] The positioning block has a contour mounting hole, and a contour limiting rod passes through the contour mounting hole. The contour limiting rod has a limiting position that can extend out of the mounting surface and a retracted position that is received in the contour mounting hole.

[0008] In one or more embodiments of this utility model, the contour mounting hole is adjacent to the limiting protrusion.

[0009] In one or more embodiments of the present invention, the positioning block is further provided with a clearance groove adapted to the shape of the tool holder assembly.

[0010] In one or more embodiments of this utility model, the tooling further includes a cover plate, which can cover the side of the positioning block where the protrusion is provided. Both the cover plate and the positioning block are provided with fixing holes for fixing the cover plate to the positioning block with fasteners.

[0011] In one or more embodiments of this utility model, the cover plate has a through groove to avoid the limiting protrusion.

[0012] In one or more embodiments of this utility model, multiple protrusions are provided on the positioning block, and a receiving groove is formed between two adjacent protrusions, and at least two receiving grooves are provided.

[0013] In one or more embodiments of the present invention, the positioning block includes two symmetrically arranged mounting surfaces, and the protrusion is disposed on the mounting surfaces to form a plurality of symmetrically arranged receiving grooves.

[0014] In one or more embodiments of this utility model, both mounting surfaces are at an angle to the bottom surface of the positioning block.

[0015] In one or more embodiments of this utility model, the positioning block is provided with a preset height, which is set such that after the tool holder assembly is installed on the tooling, there is a distance between the end of the tool holder assembly and the bottom surface of the positioning block.

[0016] In one or more embodiments of this utility model, the contour mounting hole is configured as a through hole.

[0017] Compared with existing technologies, the microsurgical scalpel sharpening fixture of this invention, when in use, can cooperate to limit and fix the scalpel holder assembly when the contour-guided limiting rod is in the limiting position; when the contour-guided limiting rod is in the retracted position, it can avoid and cooperate with the limiting protrusion to limit and fix another type of scalpel holder assembly. After the scalpel holder assembly is fixed, the positioning block can be installed on the processing platform to sharpen the scalpel holder assembly. Therefore, the sharpening fixture of this invention is adaptable to different types of scalpel holder assemblies. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a top view of a minimally invasive surgical knife sharpening tool in one embodiment of the present invention;

[0020] Figure 2 This is a side view of a minimally invasive surgical knife sharpening tool according to one embodiment of the present invention;

[0021] Figure 3 This is a top view of the positioning block in one embodiment of the present invention;

[0022] Figure 4This is a top view of the cover plate in one embodiment of the present invention;

[0023] Figure 5 This is a partial structural diagram of a minimally invasive surgical knife sharpening tool with a knife holder assembly in one embodiment of the present invention;

[0024] Figure 6 This is a partial structural diagram of a minimally invasive surgical knife sharpening tool with another knife holder assembly in one embodiment of the present invention.

[0025] Explanation of key figure labels:

[0026] 1. Positioning block; 11. Mounting surface; 12. Protrusion; 13. Receiving groove; 14. Limiting protrusion; 15. Contour mounting hole; 16. Alternating groove; 2. Contour limiting rod; 3. Cover plate; 31. Through groove; 4. Fixing hole; 5. Tool holder assembly. Detailed Implementation

[0027] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0028] Reference Figures 1 to 3 In one embodiment of this utility model, the minimally invasive scalpel sharpening tool includes a positioning block 1. The positioning block 1 includes a mounting surface 11. The mounting surface 11 is provided with a plurality of protrusions 12. A receiving groove 13 for accommodating a scalpel assembly 5 is formed between the protrusions 12. A limiting protrusion 14 that can abut against the scalpel assembly 5 is provided in the receiving groove 13. The positioning block 1 has a contour mounting hole 15. A contour limiting rod 2 passes through the contour mounting hole 15. The contour limiting rod 2 has a limiting position that can extend out of the mounting surface 11 and a retracted position that is received in the contour mounting hole 15.

[0029] In this embodiment, the minimally invasive scalpel sharpening fixture is used to fix the scalpel holder assembly 5, and the scalpel holder assembly 5 has different models, specifically differing in shape and size. (In conjunction with reference...) Figure 5 When the contour-following limit rod 2 is in the retracted position, it can avoid and limit the fixation of one type of tool holder assembly 5 through the limit protrusion 14; in conjunction with the reference... Figure 6 When the contour-following limiting rod 2 is in the limiting position, it can cooperate to limit and fix another type of tool holder assembly 5. In this embodiment, the receiving groove 13 is used to receive the tool holder assembly 5 (such as...). Figure 5(As shown). After the tool holder assembly 5 is fixed, the positioning block 1 can be installed on the machining platform to sharpen the tool holder assembly 5. In this embodiment, the positioning block 1 can be installed on a magnetic table, and the positioning block 1 can be used for subsequent sharpening of the tool holder assembly 5 by adsorption.

[0030] Reference Figure 3 The contour mounting hole 15 is adjacent to the limiting protrusion 14, and its position can be adjusted according to the structural form of the tool holder assembly 5. This application does not impose any restrictions on this. In this embodiment, the contour mounting hole 15 is set as a through hole. The contour limiting rod 2 can be pushed through the through hole on the bottom surface or mounting surface of the positioning block 1, so as to adjust the contour limiting rod 2 in the limiting position or the retracted position.

[0031] Reference Figure 3 Multiple protrusions 12 are provided on the positioning block 1, and a receiving groove 13 is formed between two adjacent protrusions 12. There are at least two receiving grooves 13. In this embodiment, four receiving grooves 13 are provided as an example for illustrative purposes. In other embodiments, the number of receiving grooves 13 can also be specifically configured according to actual processing requirements, such as two, three, five, etc. In this embodiment, there is no specific limitation on the number.

[0032] Reference Figure 3 The positioning block 1 includes two symmetrically arranged mounting surfaces 11, with protrusions 12 disposed on the mounting surfaces 11 to form a plurality of symmetrically arranged receiving slots 13. The number of mounting surfaces 11 on the positioning block 1 allows for the simultaneous mounting of a larger number of tool holder assemblies 5, thereby improving the processing efficiency of the tool holder assemblies 5. Furthermore, in conjunction with… Figure 2 Both mounting surfaces 11 have an angle with the bottom surface of the positioning block 1, so that the tool holder assembly 5 is tilted after being installed on the positioning block 1, which facilitates the sharpening of the tool holder assembly 5.

[0033] Reference Figure 3 and Figure 5 The positioning block 1 also has a clearance groove 16 that matches the shape of the tool holder assembly 5. Understandably, the number and position of the clearance grooves 16 can be set according to the shape of the tool holder assembly 5 to facilitate the installation and fixation of the tool holder assembly 5, thereby ensuring the normal progress of the subsequent sharpening process.

[0034] Reference Figure 3 and Figure 4In this embodiment, the tooling also includes a cover plate 3, which covers the side of the positioning block 1 with the protrusion 12. Both the cover plate 3 and the positioning block 1 have fixing holes 4 for fastening the cover plate 3 to the positioning block 1. Therefore, the tool holder assembly 5 can be placed in the receiving groove 13. Then, based on the model of the tool holder assembly 5, it is abutted against by the limiting protrusion 14 or the contour limiting rod 2. The cover plate 3 then covers the positioning block 1, and finally, the tool holder assembly 5 is fixed between the cover plate 3 and the positioning block 1 using the cover plate 3 and fasteners. The cover plate 3 has a through groove 31 to avoid the limiting protrusion 14.

[0035] Reference Figure 1 and Figure 2 The positioning block 1 is set with a preset height, which is set so that after the tool holder assembly 5 is installed in the tooling, there is a distance between the end of the tool holder assembly 5 and the bottom surface of the positioning block 1, so as to facilitate the subsequent sharpening of the tool holder assembly 5.

[0036] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0037] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A tooling for sharpening a minimally invasive surgical scalpel, characterized in that, The device includes a positioning block (1), which includes a mounting surface (11). The mounting surface (11) is provided with a plurality of protrusions (12). A receiving groove (13) for accommodating the tool holder assembly (5) is formed between the protrusions (12). A limiting protrusion (14) that can abut against the tool holder assembly (5) is provided in the receiving groove (13). The positioning block (1) has a contour mounting hole (15), and a contour limiting rod (2) is inserted into the contour mounting hole (15). The contour limiting rod (2) has a limiting position that can extend out of the mounting surface (11) and a retracted position that is received in the contour mounting hole (15).

2. The minimally invasive surgical scalpel sharpening tool according to claim 1, characterized in that, The contoured mounting hole (15) is adjacent to the limiting protrusion (14).

3. The minimally invasive surgical scalpel sharpening tool according to claim 1, characterized in that, The positioning block (1) is also provided with a clearance groove (16) that is adapted to the shape of the tool holder assembly (5).

4. The minimally invasive surgical scalpel sharpening tool according to claim 1, characterized in that, The tooling also includes a cover plate (3), which can cover the side of the positioning block (1) where the protrusion (12) is provided. The cover plate (3) and the positioning block (1) are both provided with fixing holes (4) for fixing the cover plate (3) to the positioning block (1) with fasteners.

5. The minimally invasive surgical scalpel sharpening tool according to claim 4, characterized in that, The cover plate (3) has a through groove (31) to avoid the limiting protrusion (14).

6. The minimally invasive surgical scalpel sharpening tool according to claim 1, characterized in that, The protrusions (12) are provided on the positioning block (1) in multiple ways, and a receiving groove (13) is formed between two adjacent protrusions (12). There are at least two receiving grooves (13).

7. The minimally invasive surgical scalpel sharpening tool according to claim 1, characterized in that, The positioning block (1) includes two symmetrically arranged mounting surfaces (11), and the protrusion (12) is disposed on the mounting surface (11) to form a plurality of symmetrically arranged receiving grooves (13).

8. The minimally invasive surgical scalpel sharpening tool according to claim 7, characterized in that, Both mounting surfaces (11) have an angle with the bottom surface of the positioning block (1).

9. The minimally invasive surgical scalpel sharpening tool according to claim 1, characterized in that, The positioning block (1) is provided with a preset height, which is set such that after the tool holder assembly (5) is installed on the tooling, there is a distance between the end of the tool holder assembly (5) and the bottom surface of the positioning block (1).

10. The minimally invasive surgical scalpel sharpening tool according to claim 1, characterized in that, The contour mounting hole (15) is configured as a through hole.