Improved sampling knife for pathology department

Abstract

The utility model relates to the technical field of pathological sampling knives, and discloses an improved sampling knife for pathology department, which comprises a shell and a blade capable of being accommodated in the shell, one side of the shell is provided with a sliding port communicated with the outside and the inside of the shell, a sliding block is slidably connected in the sliding port, and the inner side wall of the shell is slidably connected with a moving block. Pressing grooves penetrate through the side faces of the sliding blocks. According to the utility model, the pressing block is pressed down, the blade is inserted from the insertion port at one end of the shell, the first abdicating port is inserted along the side surface of the pressing block, the pressing block is loosened when the side surface of the first limiting groove abuts against the side surface of the pressing block, the tension of the first spring pushes the first limiting block to move into the first limiting groove, and the blade is clamped; when a pressing block is pressed down in the same way, a first limiting block is separated from a first limiting groove, and the blade can be taken down, so that medical staff in the pathology department can replace the sampling blade conveniently, and the efficiency of sampling pathological tissues by the medical staff in the pathology department is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pathological sampling knives, in particular to an improved sampling knife for pathology departments. Background Art

[0002] The pathology department is one of the indispensable departments in large comprehensive hospitals. Its main task is to undertake pathological diagnosis in the medical process, including providing clear pathological diagnosis, determining the nature of the disease, and finding out the cause of death through biopsy, exfoliation and fine needle aspiration cytology, and autopsy. The pathology department needs to collect pathological tissue samples, which is an important part of the pathological sectioning, preparation and diagnosis process, and is also one of the important reasons affecting the diagnosis results. When collecting pathological tissue samples, a pathological tissue sampling knife is often required.

[0003] In order to facilitate the use of the sampling knife by medical staff of the pathology department, the prior art has made many improvements to the pathology tissue sampling knife. For example, the patent with patent publication number CN220322736U discloses a pathology sampling knife, including a shell, a slide groove 1 is arranged on the inner side of the shell, a slider is slidably connected to the inner side of the slide groove 1, a slide rail is arranged on the inner side of the slide rail, a block is slidably connected to the inner side of the slide rail, one end of the block is fixedly connected to a column, a spring is arranged on one side of the block, and a limiting hole is arranged on one side of the shell. Through the coordination of multiple structures such as the shell, the slide groove 1, the slider, the slide rail, the block, the column, the spring, the limiting hole, the slide groove 2, the baffle, etc., multi-level control of the extension length of the blade is achieved, the operation is more refined, and the problem that the blade is not long enough when sampling large tissues, or cannot be shortened when fine operation is required, and the tool can only be replaced is solved, the work efficiency and practicality are improved, and the quick replacement of the blade is simple and fast, the work efficiency is improved, and the cost is saved.

[0004] The above patent has obvious beneficial effects, but still has the following shortcomings in actual operation:

[0005] In the above-mentioned comparative documents, when the blade needs to be replaced, a stud rod passes through the blade and is threadedly connected to the thread groove, and the position of the blade is fixed by the threaded column. However, in actual operation, when the blade is replaced by the threaded column, the threaded column needs to be unscrewed first, the blade needs to be inserted and the threaded column needs to be installed again. The replacement of the blade is more troublesome, which reduces the efficiency of pathology department nursing staff in pathology tissue sampling. Therefore, the field urgently needs to improve the improved sampling knife of the pathology department to solve the defects of the existing technology. Utility Model Content

[0006] In view of the deficiencies of the prior art, the utility model provides an improved sampling knife for the pathology department, which is convenient for medical staff of the pathology department to replace the sampling blade, thereby improving the efficiency of medical staff of the pathology department in sampling pathological tissues.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an improved sampling knife for pathology department, comprising a shell and a blade that can be stored in the shell, a sliding opening connecting the outside and the inside of the shell is provided on one side of the shell, a slider is slidably connected in the sliding opening, a moving block is slidably connected to the inner wall of the shell, a pressing groove is provided through the side of the slider, a pressing block is slidably connected in the pressing groove, a polygonal first limiting block is fixedly connected to one side of the pressing block, a first limiting groove adapted to the first limiting block is provided through the side of one end of the blade, a first yielding opening connected to the first limiting groove is provided at one end of the blade, the first yielding opening is adapted to the pressing block, a first spring is provided between the first limiting block and the moving block, and a limiting unit for limiting the slider is provided between the slider and the shell.

[0008] Preferably, the limiting unit includes a sliding bar fixedly connected to the opposite side of the slider, the opposite side walls in the sliding opening are provided with second clearance openings adapted to the sliding bar, a moving cavity is provided on the slider and the sliding bar, an L-shaped moving seat is movably connected in the moving cavity, a second limiting block is fixedly connected to one side of the moving seat, a plurality of second limiting grooves connected to the second clearance opening and adapted to the second limiting block are provided on the side of the shell, and a second spring is provided between the bottom of the moving cavity and the side of the moving seat.

[0009] Preferably, a first guide column is fixedly connected to one side of the moving block, the first spring is sleeved on the side of the first guide column, and the first limiting block and the pressing block are both provided with a first guide groove adapted to the first guide column.

[0010] Preferably, a second guide column is fixedly connected to the bottom of the movable cavity, the second spring is sleeved on the side of the second guide column, and a second guide groove adapted to the second guide column is opened on the side of the movable seat.

[0011] Preferably, a moving groove adapted to the moving block is formed on the inner side wall of the shell, and the moving block has a T-shaped cross section and is adapted to the moving groove.

[0012] Preferably, the second limiting block is circular and has a chamfered edge.

[0013] Preferably, when the second limiting block is located in the second limiting groove, one side of the movable seat exceeds the side surface of the slider.

[0014] In view of the deficiencies of the prior art, the utility model provides an improved specimen collection knife for pathology, which overcomes the deficiencies of the prior art. The beneficial effects of the utility model are:

[0015] 1. In the utility model, a first limiting block and a first limiting groove are provided. When the blade needs to be installed between the shell, the pressing block is pressed, and the blade is inserted from the insertion port at one end of the shell, and the first making way port is inserted along the side of the pressing block. When the side of the first limiting groove abuts against the side of the pressing block, the pressing block is released, and the tension of the first spring pushes the first limiting block to move into the first limiting groove to clamp the blade. When the blade needs to be removed, the pressing block is pressed in the same way, and the first limiting block is disengaged from the first limiting groove, so that the blade can be removed, which is convenient for the medical staff of the pathology department to replace the sampling blade, thereby improving the efficiency of the medical staff of the pathology department in sampling pathological tissues.

[0016] 2. In the utility model, a limiting unit is provided. When it is necessary to adjust the length of the blade extending out of the housing, the movable seat is pressed, and the movable seat drives the second limiting block to move at the same time. At this time, the second spring is compressed, and the slider can be slid in the sliding opening. When the length of the blade extending out of the housing is reached, the most suitable second limiting groove is found, and the second limiting block is aligned with the position of the second limiting groove. The movable seat is released, and the movable seat moves under the tension of the second spring. The second limiting block is inserted into the corresponding second limiting groove, and the position of the slider is limited and fixed, so that the medical staff of the pathology department can adjust the length of the blade extending out of the housing.

[0017] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of a partial cross-section of the housing in the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the utility model when the sliding block, the first limiting block and the blade are separated;

[0022] Figure 4It is a schematic structural diagram of a partial cross-section of a blade and a slider in the utility model;

[0023] Figure 5 It is a structural schematic diagram of a partial cross-section of a slider and a slide bar in the utility model;

[0024] Figure 6 for Figure 2 Enlarged structural diagram at A in the middle.

[0025] In the figure: 1, shell; 2, blade; 3, sliding opening; 4, slider; 5, moving block; 6, pressing groove; 7, pressing block; 8, first limiting block; 9, first limiting groove; 10, first giving way; 11, first spring; 12, slide bar; 13, second giving way; 14, moving cavity; 15, moving seat; 16, second limiting block; 17, second limiting groove; 18, first guide column; 19, first guide groove; 20, second spring; 21, second guide column; 22, second guide groove; 23, moving groove. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Embodiment 1

[0028] See also Figure 1-Figure 6 A modified specimen collection knife for pathology department comprises a shell 1 and a blade 2 which can be received in the shell 1. A sliding opening 3 which communicates with the outside and the inside of the shell 1 is provided on one side of the shell 1. A slider 4 is slidably connected in the sliding opening 3. A moving block 5 is slidably connected in the inner wall of the shell 1. A pressing groove 6 is provided through the side of the slider 4. A pressing block 7 is slidably connected in the pressing groove 6. A polygonal first limiting block 8 is fixedly connected to one side of the pressing block 7. A first limiting groove 9 which matches with the first limiting block 8 is provided through the side of one end of the blade 2. A first limiting groove 9 which communicates with the first limiting groove 9 is provided at one end of the blade 2. A first clearance opening 10 is adapted to the pressing block 7, a first spring 11 is provided between the first limiting block 8 and the moving block 5, a limiting unit for limiting the sliding block 4 is provided between the sliding block 4 and the shell 1, a first guide column 18 is fixedly connected to one side of the moving block 5, the first spring 11 is sleeved on the side of the first guide column 18, a first guide groove 19 adapted to the first guide column 18 is provided on the first limiting block 8 and the pressing block 7, a moving groove 23 adapted to the moving block 5 is provided on the inner side wall of the shell 1, and the cross-section of the moving block 5 is T-shaped and adapted to the moving groove 23.

[0029] Specific implementation method in this embodiment: when it is necessary to install the blade 2 and the shell 1, the pressing block 7 is pressed in the direction of the moving block 5, the pressing block 7 moves in the pressing groove 6, the first limiting block 8 squeezes the first spring 11, the first guide column 18 slides along the first guide groove 19, the first limiting block 8 is misaligned with the insertion port of the blade 2, the blade 2 is inserted from the insertion port at one end of the shell 1, the first clearance port 10 is inserted along the side of the pressing block 7, when the side of the first limiting groove 9 is against the side of the pressing block 7, the pressing block 7 is released, and the tension of the first spring 11 pushes the first limiting block 8 to move into the first limiting groove 9. The blade 2 is clamped. When the blade 2 needs to be removed, the pressing block 7 is pressed in the same way, and the first limiting block 8 is disengaged from the first limiting groove 9, so that the blade 2 can be removed, which is convenient for the medical staff of the pathology department to replace the sampling blade 2 and improve the efficiency of the medical staff of the pathology department in sampling pathological tissues. The moving block 5 slides in the moving groove 23 and cooperates with the first guide column 18 to prevent the first spring 11 from generating radial deformation. The slider 4 can slide in the sliding opening 3 and is limited by the limiting unit to adjust the length of the blade 2 extending out of the shell 1, which is convenient for the medical staff of the pathology department to use the sampling knife.

[0030] Embodiment 2

[0031] See also Figure 1-Figure 6 , this embodiment includes the above-mentioned embodiment, wherein the limiting unit includes a slide bar 12 fixedly connected to the opposite side of the slider 4, and the opposite side walls in the sliding opening 3 are provided with a second clearance opening 13 adapted to the slide bar 12, a moving cavity 14 is provided on the slider 4 and the slide bar 12, and an L-shaped moving seat 15 is movably connected in the moving cavity 14, and a second limiting block 16 is fixedly connected to one side of the moving seat 15, and a plurality of second limiting grooves 17 that are connected to the second clearance opening 13 and adapted to the second limiting block 16 are provided on the side of the shell 1, and a second spring 20 is provided between the bottom of the moving cavity 14 and the side of the moving seat 15, and a second guide column 21 is fixedly connected to the bottom of the moving cavity 14, and the second spring 20 is sleeved on the side of the second guide column 21, and a second guide groove 22 adapted to the second guide column 21 is provided on the side of the moving seat 15, and the second limiting block 16 is circular and has a chamfered edge. When the second limiting block 16 is located in the second limiting groove 17, one side of the moving seat 15 exceeds the side of the slider 4.

[0032] Specific implementation method in this embodiment: when it is necessary to adjust the length of the blade 2 extending out of the shell 1, the movable seat 15 is pressed toward the inner direction of the shell 1, and the movable seat 15 moves in the movable cavity 14, and the movable seat 15 drives the second limit block 16 to move at the same time. At this time, the second spring 20 is compressed, and at the same time, the end of the second guide column 21 moves in the second guide groove 22. The second guide column 21 prevents the second spring 20 from radially deforming. At this time, the slider 4 can be slid in the sliding opening 3, and the slider 4 slides in the second yielding opening 13 through the slide bar 12. The second yielding opening 13 and the slide bar 12 limit the slider 4. When the length of the blade 2 extending out of the shell 1 is reached, find the most suitable second limit groove 17, align the second limit block 16 with the position of the second limit groove 17, release the movable seat 15, and the movable seat 15 moves under the tension of the second spring 20. The side of the second limit block 16 is provided with a chamfer, and the chamfer plays a guiding role. The second limit block 16 is inserted into the corresponding second limit groove 17, and then the position of the slider 4 is limited and fixed. It is only necessary to press and release the movable seat 15 to adjust and fix the position of the blade 2, which is convenient for the medical staff of the pathology department to adjust the length of the blade 2 extending out of the shell 1.

[0033] 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. An improved type of pathology sampling knife, comprising a housing (1) and a blade (2) that can be received in the housing (1), characterized in that: A sliding opening (3) communicating with the outside and the inside of the shell (1) is provided on one side of the shell (1); a slider (4) is slidably connected in the sliding opening (3); a moving block (5) is slidably connected to the inner wall of the shell (1); a pressing groove (6) is provided through the side of the slider (4); a pressing block (7) is slidably connected in the pressing groove (6); a polygonal first limiting block (8) is fixedly connected to one side of the pressing block (7); a first limiting groove (9) adapted to the first limiting block (8) is provided through the side of one end of the blade (2); a first yielding opening (10) communicating with the first limiting groove (9) is provided at one end of the blade (2); the first yielding opening (10) is adapted to the pressing block (7); a first spring (11) is provided between the first limiting block (8) and the moving block (5); and a limiting unit for limiting the slider (4) is provided between the slider (4) and the shell (1).

2. The improved pathology knife according to claim 1, characterized in that: The limiting unit comprises a slide bar (12) fixedly connected to the opposite side of the slider (4); the opposite side walls in the sliding opening (3) are provided with second clearance openings (13) adapted to the slide bar (12); the slider (4) and the slide bar (12) are provided with a moving cavity (14); an L-shaped moving seat (15) is movably connected in the moving cavity (14); a second limiting block (16) is fixedly connected to one side of the moving seat (15); a plurality of second limiting grooves (17) in communication with the second clearance opening (13) and adapted to the second limiting block (16) are provided on the side of the shell (1); and a second spring (20) is provided between the bottom of the moving cavity (14) and the side of the moving seat (15).

3. The improved pathology knife according to claim 1, characterized in that: A first guide column (18) is fixedly connected to one side of the moving block (5); the first spring (11) is sleeved on the side of the first guide column (18); and the first limit block (8) and the pressing block (7) are both provided with a first guide groove (19) adapted to the first guide column (18).

4. The improved pathology knife according to claim 2, characterized in that: A second guide column (21) is fixedly connected to the bottom of the movable cavity (14), the second spring (20) is sleeved on the side of the second guide column (21), and a second guide groove (22) adapted to the second guide column (21) is opened on the side of the movable seat (15).

5. The improved pathology knife according to claim 1, characterized in that: The inner side wall of the housing (1) is provided with a moving groove (23) adapted to the moving block (5); the moving block (5) has a T-shaped cross section and is adapted to the moving groove (23).

6. The improved pathology knife according to claim 2, characterized in that: The second limiting block (16) is circular and has a chamfered edge.

7. The improved pathology knife according to claim 2, characterized in that: When the second limiting block (16) is located in the second limiting groove (17), one side of the movable seat (15) exceeds the side of the sliding block (4).

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