Tissue slice gang tool

By setting baffles and elastic compression structures on the tissue sectioning blades, the problems of uneven section thickness and difficulty in cleaning caused by embedded debris in the gaps are solved, achieving efficient multi-section cutting and convenient tissue cleaning.

CN223701047UActive Publication Date: 2025-12-23QINGDAO MUNICIPAL HOSPITAL
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Patent Information

Application Number
CN202520182173.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2025-12-23
Estimated Expiration
2035-02-06

AI Technical Summary

Technical Problem

During continuous sectioning, tissue sections or partially detached debris become embedded in the blade gaps, resulting in uneven section thickness, difficulty in cleaning, and reduced sectioning efficiency.

Method used

Design a tissue sectioning blade with a baffle and an elastic extrusion structure. The baffle has a through groove, and the extrusion head and elastic element cooperate to extrude the accumulated tissue between adjacent sectioning blades, ensuring section quality and ease of operation.

Benefits of technology

This technology enables the cutting of multiple sections in a single operation, preventing accumulated tissue from affecting the quality of subsequent sections and improving sectioning efficiency and ease of operation.

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Abstract

The utility model provides a tissue slice gang knife, which belongs to the technical field of medical experiment appliances, and comprises a slice gang knife, the slice gang knife comprises a plurality of groups of slice knives, the top end of the slice gang knife is provided with a baffle plate, the baffle plate is provided with a through groove corresponding to the top end of a gap between adjacent slice knives, and the through groove is communicated with the baffle plate. An elastic extrusion structure is arranged on the baffle and comprises an extrusion head, elastic elements and a connecting base, the elastic elements sequentially correspond to the positions of the through grooves and are arranged between the adjacent slicing knives, and the end of the extrusion head is fixedly connected with the connecting base; the two sides of the connecting base are movably connected with the slicing row tool through the elastic elements. Guide blocks are arranged on the two sides of the extrusion head, and a rubber contact layer is arranged at the end, close to the slicing knife, of the extrusion head. The utility model can solve the problem that the slicing efficiency is slowed down due to the fact that tissues are not easy to clean when remaining in a row cutter gap.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to medical experiment tool technical field, specifically, relate to a tissue section row knife. BACKGROUND

[0002] In biomedical, pathology, histology and many other fields, tissue sections are widely used, aiming at cutting biological tissues into thin slices for subsequent microscopic observation, pathological diagnosis and cell-level research and analysis; With the continuous deepening of life science research and the continuous rise of the demand for precision medicine, the demand for high-quality and high-precision tissue sections is growing, so it is necessary to improve the section efficiency, and in the practical operation process, the tissue can be cut into equidistant sections quickly by using the row knife.

[0003] However, during continuous sectioning operation, after each cutting, tissue sections or partially peeled debris will be embedded in the gap between the blades, and these accumulations will continue to accumulate as the operation progresses. Not only does it occupy the effective cutting space between the blades, resulting in uneven thickness of subsequent sections, affecting the quality of the sections, but it also greatly increases the difficulty of cleaning. The operator often needs to spend a lot of time using delicate tools to carefully remove these residual tissues, slowing down the sectioning process and reducing the sectioning efficiency. UTILITARIAN CONTENT

[0004] Therefore, the tissue section row knife provided by the utility model can solve the problem of residual tissue in the gap of the row knife, which is not easy to clean and slows down the sectioning efficiency.

[0005] The utility model is implemented as follows:

[0006] The utility model provides a tissue section row knife, which comprises a section row knife, the section row knife comprises a plurality of section knives, wherein the top end of the section row knife is provided with a baffle, the baffle is provided with a through groove at the top end of the gap between adjacent section knives, the baffle is provided with an elastic extrusion structure, the elastic extrusion structure comprises an extrusion head, an elastic element and a connecting base, the elastic element is arranged between adjacent section knives in sequence corresponding to the position of the through groove, the end of the extrusion head is fixedly connected with the connecting base, and the connecting base is movably connected with the section row knife through the elastic element.

[0007] The technical effects of the tissue sectioning blade provided by this utility model are as follows: By setting up the sectioning blade, multiple tissue sections can be cut in a single operation. A baffle above the sectioning blade provides protection and support. A through groove on the baffle, in conjunction with and supporting an elastic extrusion structure, squeezes out any remaining tissue between adjacent sectioning blades. This facilitates the removal of the tissue sections and the cleaning of accumulated tissue, ensuring continuous and normal use of the sectioning blade and preventing excessive accumulation of tissue from affecting the quality of subsequent sections and operational convenience.

[0008] Based on the above technical solution, the tissue sectioning blade of this utility model can be further improved as follows:

[0009] The extrusion head is provided with guide blocks on both sides, and a rubber contact layer is provided at the end of the extrusion head near the slicing blade.

[0010] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: by setting a guide block, it is used to slide in conjunction with the through groove, and by setting a rubber contact layer, it is used to squeeze out the accumulated sliced ​​tissue.

[0011] Furthermore, guide grooves adapted to the guide block are provided on both sides of the through groove, so that the extrusion head can slide along the through groove.

[0012] Furthermore, there are multiple sets of extrusion heads, and their top ends are respectively fixedly connected to the connecting base.

[0013] Furthermore, the elastic element includes a spring and a movable bushing, with the spring disposed inside the movable bushing.

[0014] The beneficial effects of adopting the above-mentioned improved scheme are as follows: by using the movable bushing of the elastic extrusion structure to realize the movable connection between the baffle and the connecting base, the spring provides pressing resistance, and at the same time, it can drive the extrusion head to reset.

[0015] Furthermore, the movable bushing includes a movable shaft and a bushing, with one end of the movable shaft fixedly connected to the connecting base.

[0016] Furthermore, one end of the movable bushing is fixedly connected to the baffle.

[0017] Furthermore, finger handles are fixedly connected to both sides of the baffle.

[0018] Furthermore, the top of the connecting base is provided with a circular recessed finger groove.

[0019] Furthermore, the tip of the slicing blade is fixedly connected to the baffle.

[0020] Compared with existing technologies, the beneficial effects of the tissue sectioning blade provided by this utility model are as follows: by setting up the sectioning blade, multiple tissue sections can be cut in a single operation; a baffle above the sectioning blade provides protection and support; and a through groove on the baffle cooperates with and supports the elastic extrusion structure to squeeze out residual tissue between adjacent sectioning blades, facilitating the removal of thin sections and cleaning of accumulated tissue. This ensures continuous and normal use of the sectioning blade and avoids the impact of excessive tissue accumulation on subsequent sectioning quality and operational convenience. The movable bushing of the elastic extrusion structure enables the baffle to be movably connected to the connecting base, and a spring provides pressing resistance while simultaneously driving the extrusion head to reset. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model 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.

[0022] Figure 1 A schematic diagram of a tissue sectioning blade;

[0023] The attached diagram lists the components represented by each number as follows:

[0024] 10. Slicing blade; 101. Slicing blade; 11. Baffle; 12. Elastic extrusion structure; 121. Extrusion head; 1211. Rubber contact layer; 122. Elastic element; 1221. Spring; 1222. Movable bushing; 123. Connecting base; 13. Handle. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0026] like Figure 1The image shows a first embodiment of a tissue sectioning blade provided by this utility model. In this embodiment, it includes a sectioning blade 10, which includes multiple sections of sectioning blades 101. A baffle 11 is provided at the top of the sectioning blade 10. A through groove is opened at the top of the baffle 11 corresponding to the gap between adjacent sectioning blades 101. An elastic extrusion structure 12 is provided on the baffle 11. The elastic extrusion structure 12 includes an extrusion head 121, an elastic element 122, and a connecting base 123. The elastic element 122 is arranged sequentially between adjacent sectioning blades 101 corresponding to the through groove positions. The end of the extrusion head 121 is fixedly connected to the connecting base 123. The two sides of the connecting base 123 are movably connected to the sectioning blade 10 through the elastic element 122.

[0027] In use, the operator holds the blade through the handle 13 and uses the slicing blade 10 to press down and cut the tissue sample, cutting the tissue into thin slices the thickness of the gap between the slicing blades 101. After each tissue slice is cut, some tissue slices or residual tissue may accumulate in the gap between adjacent slicing blades 101. At this time, the operator presses the recessed finger groove at the top of the connecting base 123 to apply pressure to the extrusion head 121 towards the side close to the slicing blade 101, and the accumulated tissue slices are squeezed outward by the rubber contact layer 1211.

[0028] In the above technical solution, guide blocks are provided on both sides of the extruder 121, and a rubber contact layer 1211 is provided at the end of the extruder 121 near the slicing blade 101.

[0029] Furthermore, in the above technical solution, guide grooves adapted to guide blocks are provided on both sides of the through groove, so that the extrusion head 121 can slide along the through groove.

[0030] Furthermore, in the above technical solution, there are multiple sets of extrusion heads 121, and their top ends are fixedly connected to the connecting base 123.

[0031] Furthermore, in the above technical solution, the elastic element 122 includes a spring 1221 and a movable bushing 1222, with the spring 1221 disposed inside the movable bushing 1222.

[0032] Furthermore, in the above technical solution, the movable bushing 1222 includes a movable shaft and a bushing, with one end of the movable shaft fixedly connected to the connecting base 123.

[0033] Furthermore, in the above technical solution, one end of the movable bushing 1222 is fixedly connected to the baffle 11.

[0034] Furthermore, in the above technical solution, finger handles 13 are fixedly connected to both sides of the baffle 11.

[0035] Furthermore, in the above technical solution, a circular recessed finger groove is provided at the top of the connecting base 123.

[0036] Furthermore, in the above technical solution, the top end of the slicing blade 101 is fixedly connected to the baffle 11.

[0037] Specifically, the principle of this utility model is as follows: When in use, the operator holds the blade through the handle 13 and uses the slicing blade 10 to press down and cut the tissue sample, cutting the tissue into thin slices with a thickness equal to the gap between the slicing blades 101. After each tissue slice is cut, some tissue slices or residual tissue may accumulate in the gap between adjacent slicing blades 101. At this time, the operator presses the recessed finger groove at the top of the connecting base 123 to apply pressure to the extrusion head 121 towards the side close to the slicing blade 101, and the accumulated tissue slices are squeezed outward by the rubber contact layer 1211.

Claims

1. A tissue sectioning blade, comprising a sectioning blade (10), said sectioning blade (10) comprising a plurality of sections (101), characterized in that, The top of the slicing blade (10) is provided with a baffle (11). The baffle (11) has a through groove at the top of the gap between adjacent slicing blades (101). The baffle (11) is provided with an elastic extrusion structure (12). The elastic extrusion structure (12) includes an extrusion head (121), an elastic element (122), and a connecting base (123). The elastic element (122) is arranged between adjacent slicing blades (101) in sequence corresponding to the through groove position. The end of the extrusion head (121) is fixedly connected to the connecting base (123). The two sides of the connecting base (123) are movably connected to the slicing blade (10) through the elastic element (122).

2. The tissue sectioning blade according to claim 1, characterized in that, Guide blocks are provided on both sides of the extrusion head (121), and a rubber contact layer (1211) is provided at the end of the extrusion head (121) near the slicing blade (101).

3. The tissue sectioning blade according to claim 2, characterized in that, The through groove is provided on both sides to adapt to the guide block, so that the extrusion head (121) can slide along the through groove.

4. The tissue sectioning blade according to claim 3, characterized in that, The number of extrusion heads (121) is multiple, and their top ends are respectively fixedly connected to the connecting base (123).

5. A tissue sectioning scalpel according to claim 4, characterized in that, The elastic element (122) includes a spring (1221) and a movable bushing (1222), wherein the spring (1221) is disposed inside the movable bushing (1222).

6. A tissue sectioning scalpel according to claim 5, characterized in that, The movable bushing (1222) includes a movable shaft and a bushing, and one end of the movable shaft is fixedly connected to the connecting base (123).

7. A tissue sectioning scalpel according to claim 6, characterized in that, One end of the movable bushing (1222) is fixedly connected to the baffle (11).

8. A tissue sectioning scalpel according to claim 7, characterized in that, The baffle (11) is fixedly connected to the two sides with finger handles (13).

9. A tissue sectioning scalpel according to claim 8, characterized in that, The top of the connecting base (123) is provided with a circular recessed finger groove.

10. A tissue sectioning scalpel according to claim 9, characterized in that, The top of the slicing blade (101) is fixedly connected to the baffle (11).