Special scalpel for umbilical cord tissue culture

Abstract

The utility model discloses a special scalpel for umbilical cord tissue culture, and relates to the technical field of scalpels. The cutter comprises a cutter handle and a blade, the blade is inserted and clamped on the connecting section; the blade comprises an inserting section and a tool bit; an included angle of 135 degrees is formed between the tool bit and the inserting section; a blade inserting hole correspondingly matched with the clamping seam is formed in the surface of the inserting section, a limiting protrusion correspondingly matched with the blade inserting hole is arranged on the inner bottom face of the clamping seam, and a distance is formed between the limiting protrusion and the inner top face of the clamping seam. The cutter head and the cutter handle are tightly connected together through the embedded structure of the cutter head and the cutter handle, the cutter head is fixed and cannot rotate, and when the cutter handle is held by a hand, the included angle between the cutter handle and the blade is 45 degrees, so that the cutter head can be parallel to a tissue block, needed tissue can be evenly stripped, the tissue is prevented from being torn, and the edge is not complete; the structure is simple and practical, the operation is convenient, the experiment progress is not influenced, and the operation convenience of the human umbilical cord tissue separation experiment is improved.

Description

Technical Field

[0001] This utility model belongs to the field of surgical knife technology, and in particular relates to a surgical knife for umbilical cord tissue culture. Background Technology

[0002] The scalpels used by surgeons in hospitals today consist of a handle and a blade. The blade comes in various shapes, including right-handed, curved, and sickle-shaped, and is very sharp, making cutting effortless. The blade is generally parallel to the handle.

[0003] In umbilical cord tissue culture experiments, the umbilical cord epidermis needs to be removed. Currently, two methods are used: (1) The traditional method uses tweezers to tear the epidermis, which easily causes the umbilical cord tissue to tear, resulting in incomplete edges and making it impossible to effectively peel off Wharton's jelly containing umbilical cord stem cells; (2) During the experiment, the sample needs to be placed in a culture dish. The traditional scalpel blade is parallel to the handle, and the scalpel forms an angle of about 30-40° with the tissue during operation, which cannot remove the tissue epidermis evenly and effectively. Therefore, it is of great significance to provide a special scalpel for umbilical cord tissue culture to address the above problems. Utility Model Content

[0004] This invention provides a surgical scalpel specifically designed for umbilical cord tissue culture. It includes a handle and a blade, which are tightly connected by an interlocking structure that secures the blade head and prevents rotation. When the handle is gripped, it forms a 45° angle with the blade, allowing the blade to be parallel to the umbilical cord tissue block. This effectively removes the required Wharton's jelly, preventing tearing and incomplete edges. This scalpel is simple, practical, and easy to operate. It maintains the integrity of the Wharton's jelly tissue structure, improves tissue adhesion efficiency, and promotes the effective emergence and growth of umbilical cord stem cells, thus solving the problems in the prior art.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to a special surgical knife for separating human and terrestrial umbilical cord tissue, comprising a handle and a blade;

[0007] The front end of the knife handle is provided with a connecting section, and the front end of the connecting section has a locking slot, into which the blade is inserted and locked.

[0008] The blade includes an insertion section and a blade head that forms a 135° angle with the insertion section; the surface of the insertion section is provided with a blade insertion hole that corresponds to the slot, and the bottom surface of the slot is provided with a limiting protrusion that corresponds to the blade insertion hole, and the limiting protrusion and the top surface of the slot are spaced apart.

[0009] Furthermore, the blade has sharp edges on both sides, and the blade is sickle-shaped.

[0010] Furthermore, the handle has a slanted recessed groove on the rear side of the connecting section, and the insertion section has a slanted end corresponding to the recessed groove on the rear side.

[0011] Furthermore, the surface of the knife handle is provided with anti-slip grooves.

[0012] Furthermore, the distance between the limiting protrusion and the inner top surface of the slot is greater than the thickness of the insertion section.

[0013] Furthermore, the blade insertion hole includes a positioning section corresponding to the limiting protrusion, and a socket section corresponding to the solid section located on the rear side of the connecting section.

[0014] The present invention has the following advantages over the prior art:

[0015] The scalpel in this technical solution utilizes an interlocking structure between the blade head and the handle to tightly connect the two, fixing the blade head so that it does not rotate. When the handle is held, the handle and the blade form a 45° angle, allowing the blade head to be parallel to the tissue block. This enables uniform dissection of the required tissue, avoiding tearing of the tissue and incomplete edges. The structure is simple, practical, and easy to operate, without affecting the experimental process, thus improving the convenience of experimental operations for separating Wharton's jelly from human umbilical cord tissue.

[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of a surgical scalpel for umbilical cord tissue culture according to the present invention;

[0019] Figure 2 for Figure 1 Exploded structural diagram;

[0020] Figure 3 for Figure 1 Schematic diagram of the middle tool holder;

[0021] Figure 4 for Figure 3 A schematic diagram of the structure from the perspective of A;

[0022] Figure 5 for Figure 1 Schematic diagram of the medium blade;

[0023] Figure 6 for Figure 5 A structural diagram from the perspective of B;

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 1-Handle, 101-Anti-slip groove, 102-Connecting section, 103-Sunk groove, 104-Clamping slot, 105-Limiting protrusion, 2-Blade, 201-Blade insertion hole, 202-Sharpening, 203-Insertion section. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0027] In the description of this utility model, it should be understood that the terms "front end", "surface", "top surface", "bottom surface", "both sides", "rear side", etc., which indicate orientation or positional relationship, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0028] Please see Figure 1-6 As shown, this utility model discloses a surgical scalpel for umbilical cord tissue culture, which includes a handle 1 and a blade 2; both sides of the blade head are provided with a cutting edge 204, and the blade head is sickle-shaped;

[0029] The front end of the handle 1 is provided with a connecting section 102, and the front end of the connecting section 102 is provided with a locking slot 104, and the blade 2 is inserted into and locked onto the connecting section 102;

[0030] The blade 2 includes a plug section 203 and a blade head that forms a 135° angle with the plug section 203. The surface of the plug section 203 is provided with a blade insertion hole 201 that corresponds to and mates with the slot 104. The bottom surface of the slot 104 is provided with a limiting protrusion 105 that corresponds to and matches the blade insertion hole 201. The limiting protrusion 105 and the top surface of the slot 104 are spaced apart. The distance between the limiting protrusion 105 and the top surface of the slot 104 is greater than the thickness of the plug section 203. In this specific embodiment, it is 2 mm greater than the thickness of the plug section 203.

[0031] The tool holder 1 has a slanted recessed groove 103 on the rear side of the connecting section 102, and the insertion section 203 has a slanted end corresponding to the recessed groove 103 on the rear side.

[0032] The handle 1 has an anti-slip groove 101 on its surface, which helps to prevent slipping during use.

[0033] The blade insertion hole 201 includes a positioning section corresponding to the limiting protrusion 105 and a socket section corresponding to the solid section on the rear side of the connecting section 102.

[0034] When installing the scalpel in this technical solution, the blade 2 is inserted through the locking slot 104, and then pressed down so that the positioning section corresponds exactly to the limiting protrusion 105. At this time, the socket section, due to the relatively large and long hole, can pass through the rear side of the connecting section 102, so that the beveled end is exactly opposite to the recessed groove 103. Because the limiting protrusion 105 is locked with the blade insertion hole, and the recessed groove 103 corresponds to the beveled end, it can be ensured that there will be no rotation during use, and it also has the effect of marking the installation position, effectively improving the efficiency and stability of installation, and making operation and use convenient and efficient. When disassembling, the blade 2 is lifted upward and pulled out.

[0035] The scalpel of this technical solution utilizes an interlocking structure between the blade head and the handle to tightly connect the two, fixing the blade head so that it does not rotate. When the handle is held, the handle and the blade form a 45° angle, allowing the blade head to be parallel to the tissue block. This enables uniform and effective dissection of the required tissue, avoiding tissue tearing and incomplete edges. The structure is simple, practical, and easy to operate, without affecting the experimental process, thus improving the convenience of umbilical cord tissue separation.

[0036] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A surgical scalpel for umbilical cord tissue culture, comprising a handle (1) and a blade (2), characterized in that: The front end of the handle (1) is provided with a connecting section (102), and the front end of the connecting section (102) is provided with a locking slot (104), and the blade (2) is inserted into and locked onto the connecting section (102); The blade (2) includes a plug section (203) and a blade head that forms a 135° angle with the plug section (203); the surface of the plug section (203) is provided with a blade insertion hole (201) that corresponds to and matches the slot (104); the bottom surface of the slot (104) is provided with a limiting protrusion (105) that corresponds to and matches the blade insertion hole (201); the limiting protrusion (105) and the top surface of the slot (104) are spaced apart.

2. The surgical scalpel for umbilical cord tissue culture according to claim 1, characterized in that, Both sides of the blade are provided with a cutting edge (204), and the blade is sickle-shaped.

3. The surgical scalpel for umbilical cord tissue culture according to claim 1, characterized in that, The handle (1) has a slanted recessed groove (103) on the rear side of the connecting section (102), and the insertion section (203) has a slanted end on the rear side corresponding to the recessed groove (103).

4. The surgical scalpel for umbilical cord tissue culture according to claim 1, characterized in that, The surface of the handle (1) is provided with anti-slip grooves (101).

5. The surgical scalpel for umbilical cord tissue culture according to claim 1, characterized in that, The distance between the limiting protrusion (105) and the inner top surface of the slot (104) is greater than the thickness of the insertion section (203).

6. The surgical scalpel for umbilical cord tissue culture according to claim 1, characterized in that, The blade insertion hole (201) includes a positioning section corresponding to the limiting protrusion (105) and a socket section corresponding to the solid section on the rear side of the connecting section (102).

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