CN220289022U

CN220289022U - Histological section device

Info

Publication number: CN220289022U
Application number: CN202321750473.4U
Authority: CN
Inventors: 李双容
Original assignee: Changsha Medical University
Current assignee: Changsha Medical University
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2024-01-02
Anticipated expiration: 2033-07-05

Abstract

The utility model discloses a histological slicing device, relates to the technical field of slicing devices, and solves the problems that a person needs to move slices and search qualified slices, is distracted and is unfavorable for improving the searching efficiency. A histological slicing device, comprising a slicing power module; the front part of the slicing power module is provided with a knife rest; the upper part of the tool rest is provided with a circulating belt; the inner sides of two ends of the circulating belt are respectively meshed with an inner roller, the inner rollers are meshed with a first gear, the first gear is meshed with a second gear, the second gear is meshed with an outer roller, the center of the outer roller is fixedly provided with a middle connecting shaft, the inner rollers are rotationally connected with a tool rest, the centers of the first gear and the second gear are rotationally connected with the tool rest, and the outer edge of the outer roller is vertically aligned with the blade edge of the blade. The utility model discloses the section of endless belt and top carries out synchronous removal, has removed the manual process that uses the brush to remove the section from personnel, reduces personnel's manual operation.

Description

Histological section device

Technical Field

The utility model belongs to the technical field of slicing devices, and particularly relates to a histological slicing device.

Background

Histological sections are sections of a tissue sample cut by a sectioning device, the tissue of the section being conveniently viewed by a microscope, and the final confirmation being made by sectioning of the tissue in the case of malignant tumors.

The histological slicing device is used for cutting out thin slices by driving the tissue sample to move downwards and contact with the blade, the slices are cut out and can be gathered on the upper portion of the tool rest, a person is required to manually use a brush to move and spread the slices, and the person is required to move the slices while searching for qualified slices, so that distraction is required, and the improvement of searching efficiency is not facilitated.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a histological slicing device, which is used for solving the problems that a tissue sample moves downwards and contacts with a blade to cut out thin slices, the slices are cut out and stacked on the upper part of a knife rest, a person is required to manually use a brush to move and spread the slices, the spread slices can be convenient for the person to find out the tissue slices meeting the standard, the person is required to move the slices while finding out the qualified slices for two purposes, distraction is required, omission is easy to occur, and the searching efficiency and accuracy are not beneficial to improvement.

The utility model discloses a histological slicing device, which is characterized by comprising the following specific technical means:

a histological slicing device, comprising a slicing power module; the front part of the slicing power module is provided with a knife rest; the upper part of the tool rest is provided with a circulating belt; the middle part of the slicing power module is slidably provided with a tissue chuck, the front part of the slicing power module is provided with a control screen, the side surface of the slicing power module is rotated with a hand wheel, the head end of the hand wheel is rotated to reciprocate up and down, and the control screen can control a motor of the slicing power module to drive the tissue chuck to move up and down and stretch back and forth.

Further, the rear part of the tool rest is provided with a connecting chute, the side surface of the front part of the tool rest is vertically and slidably connected with a side sliding block, the side sliding block is in threaded connection with a lifting screw rod, a supporting spring is fixed at the top of the side sliding block, a damping block is fixed at the top of the supporting spring, and a blade is arranged on the upper part of the tool rest.

Further, the lifting screw is rotationally connected with the tool rest, the lifting screw is positioned on the outer side of the tool rest, the damping block is vertically and slidingly connected with the tool rest, the lifting screw rotates, and external threads of the lifting screw guide the side sliding block to axially move.

Further, the inner sides of the two ends of the circulating belt are respectively provided with a tooth block meshed with an inner roller, the inner rollers are connected with a first gear in a meshed mode, the first gear is connected with a second gear in a meshed mode through the arranged tooth blocks, the second gear is connected with a tooth slot arranged on the outer roller in a meshed mode, a middle connecting shaft is fixed at the center of the outer roller, and the outer roller is located in a rectangular groove at the rear portion of the tool rest.

Further, the inner roller is rotationally connected with the tool rest, the centers of the first gear and the second gear are rotationally connected with the tool rest, and the outer edge of the outer roller is vertically aligned with the blade edge of the blade.

Further, the circulating belt is positioned in front of the blade, the inner roller in front of the circulating belt is in sliding connection with the top of the damping block, the damping block increases the rotation resistance of the inner roller, and the inertial rotation of the inner roller and the circulating belt is reduced.

Further, the middle connecting shaft is in sliding connection with the connecting sliding groove, the outer roller is in one-way meshed connection with the second gear, and the circulating belt and the sliced paper at the top move outwards in one way.

The utility model at least comprises the following beneficial effects:

1. according to the utility model, the blade slices the downward-moving tissue sample, the downward-moving tissue sample drives the outer roller to rotate, the circulating belt and the slice at the top synchronously move, the process of manually using a brush to move the slice by a person is avoided, and the manual operation of the person is reduced.

2. The tissue sample can drive the outer roller and the middle connecting shaft to move upwards along the connecting chute when moving upwards, the outer roller is not meshed with the second gear any more, the condition that the circulating belt is driven to retract when the tissue sample moves upwards is avoided, and the circulating belt and the slicing paper at the top move unidirectionally.

3. According to the utility model, the rotation resistance is increased by sliding the damping block and the inner roller, the inertial rotation of the inner roller and the circulating belt is reduced, the pressure between the damping block and the inner roller is adjusted by vertical movement of the side sliding block, and the resistance between the damping block and the inner roller is adjusted.

Drawings

Fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a schematic view of the structure of the tool holder of the present utility model.

Fig. 3 is an enlarged view of the structure of fig. 2 a according to the present utility model.

Fig. 4 is a schematic view of the longitudinal cross-sectional structure of the tool holder of the present utility model.

Fig. 5 is a schematic view of an enlarged portion of the structure of fig. 4B according to the present utility model.

Fig. 6 is a schematic view of an enlarged portion of fig. 4C according to the present utility model.

Fig. 7 is a schematic view of the endless belt structure of the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a slice power module; 101. a tissue chuck; 102. a control screen; 103. a hand wheel; 2. a tool holder; 201. the connecting chute; 202. a side slider; 203. lifting screw rods; 204. a support spring; 205. a damping block; 206. a blade; 3. a circulating belt; 301. an inner drum; 302. a first gear; 303. a second gear; 304. an outer drum; 305. a middle connecting shaft.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.

Examples:

as shown in fig. 1 to 7:

the utility model provides a histological slicing device, which comprises a slicing power module 1; the middle part of the slicing power module 1 is provided with a tissue chuck 101 in a sliding manner, the front part of the slicing power module 1 is provided with a control screen 102, the side surface of the slicing power module 1 is rotated with a hand wheel 103, the head end of the hand wheel 103 is rotated to reciprocate up and down the tissue chuck 101, and the control screen 102 can control a motor of the slicing power module 1 to drive the tissue chuck 101 to move up and down and stretch back and forth; the front part of the slicing power module 1 is provided with a cutter rest 2, the rear part of the cutter rest 2 is provided with a connecting chute 201, the side surface of the front part of the cutter rest 2 is vertically and slidably connected with a side sliding block 202, the side sliding block 202 is in threaded connection with a lifting screw 203, a supporting spring 204 is fixed at the top of the side sliding block 202, a damping block 205 is fixed at the top of the supporting spring 204, a blade 206 is arranged at the upper part of the cutter rest 2, the lifting screw 203 is rotationally connected with the cutter rest 2, the lifting screw 203 is positioned at the outer side of the cutter rest 2, the damping block 205 is vertically and slidably connected with the cutter rest 2, the lifting screw 203 rotates, the external threads of the lifting screw 203 guide the side sliding block 202 to axially move, and the side sliding block 202 vertically moves; the upper portion of the tool rest 2 is provided with a circulating belt 3, tooth blocks are arranged on the inner sides of two ends of the circulating belt 3 and meshed with an inner roller 301, the inner roller 301 is meshed with a first gear 302, the first gear 302 is meshed with a second gear 303 through the set tooth blocks, the second gear 303 is meshed with tooth grooves formed in an outer roller 304, a middle connecting shaft 305 is fixed in the center of the outer roller 304, the outer roller 304 is located in a rectangular groove in the rear portion of the tool rest 2, the middle connecting shaft 305 is slidably connected with a connecting sliding groove 201, the outer roller 304 is meshed with the second gear 303 in a unidirectional mode, and the circulating belt 3 and the sliced paper on the top move outwards in a unidirectional mode.

Wherein, the inner roller 301 is rotationally connected with the tool rest 2, the centers of the first gear 302 and the second gear 303 are rotationally connected with the tool rest 2, the outer edge of the outer roller 304 is vertically aligned with the blade edge of the blade 206, the blade 206 slices the downward moving tissue sample, the downward moving tissue sample contacts with the outer roller 304, and the downward moving tissue sample drives the outer roller 304 to rotate.

Wherein, the circulating belt 3 is positioned in front of the blade 206, the inner roller 301 in front of the circulating belt 3 is slidably connected with the top of the damping block 205, the damping block 205 increases the rotation resistance of the inner roller 301, reduces the inertial rotation of the inner roller 301 and the circulating belt 3, and controls the inertial rotation number of the circulating belt 3.

Specific use and action of the embodiment:

in the utility model, the slice power module 1 is the existing tissue slice equipment, the tissue chuck 101 clamps and fixes the tissue sample, the tissue chuck 101 can carry out multi-directional angle adjustment, the hand wheel 103 controls the tissue chuck 101 to move up and down, the control screen 102 is used for displaying and adjusting the function of the slice power module 1, the control screen 102 controls the motor to carry out reciprocating movement of the tissue chuck 101 and can also adjust the slice thickness setting of the tissue chuck 101, the tissue chuck 101 drives the tissue sample to move down, the tissue chuck 101 is contacted with the blade edge of the blade 206 to carry out slice operation, the knife rest 2 is provided with a slide rail which can carry out multi-directional movement adjustment position, the functions are all the existing equipment standard function, the blade 206 carries out slice on the tissue sample which moves down, the tissue sample which moves down is contacted with the outer roller 304, the outer roller 304 drives the outer roller 304 to rotate, the inner roller 301 is driven by the transmission of the first gear 302 and the second gear 303, the inner roller 301 drives the circulating belt 3 to rotate, the upper part of the circulating belt 3 moves towards one side far away from the blade 206, the circulating belt 3 and the slice at the top is synchronously moved, the slice is automatically unfolded, the manual slice is used by a person uses a brush to move the slice operator to carry out slice operation, the slice operation is convenient for looking up the tissue sample manually and the slice operator has convenient operation standard to look for the slice;

when the tissue sample moves downwards, the middle connecting shaft 305 is positioned at the lowest part of the connecting chute 201, the outer roller 304 is meshed with the second gear 303, the outer roller 304 and the middle connecting shaft 305 are driven to move upwards along the connecting chute 201 when the tissue sample moves upwards, the outer roller 304 is moved upwards to be away from the second gear 303, the outer roller 304 is not meshed with the second gear 303 any more, the outer roller 304 can not drive the second gear 303 to rotate, the condition that the circulating belt 3 is driven to retract when the tissue sample moves upwards is avoided, the circulating belt 3 and the sliced paper at the top move unidirectionally, the outer roller 304 and the second gear 303 are meshed unidirectionally, the condition that a unidirectional ratchet wheel is not required to be additionally arranged is avoided, the same functions are realized, the arrangement space is saved, and simplicity and effectiveness are realized;

the damping block 205 and the inner roller 301 are supported by the supporting spring 204 to increase the rotation resistance of the inner roller 301, the inertial rotation of the inner roller 301 and the circulating belt 3 is reduced, the condition that the circulating belt 3 is broken by inertial rotation is avoided, the section is more continuous, the side sliding block 202 is guided to axially move by the external threads of the lifting screw 203 through the rotation of the lifting screw 203, the vertical upward movement of the side sliding block 202 compresses the supporting spring 204, the pressure of the damping block 205 by the supporting spring 204 is increased, the damping block 205 is supported by the supporting spring 204 to be closer to the inner roller 301, the sliding pressure and the resistance between the inner roller 301 and the damping block 205 are increased, the sliding pressure and the resistance between the inner roller 301 and the damping block 205 are reduced when the side sliding block 202 moves downwards, the pressure between the damping block 205 and the inner roller 301 is adjusted, and the resistance between the damping block 205 and the inner roller 301 is adjusted.

Claims

1. A histological slide apparatus, characterized in that: the histological slicing device comprises a slicing power module (1); the front part of the slicing power module (1) is provided with a knife rest (2); the upper part of the tool rest (2) is provided with an endless belt (3); the inner sides of two ends of the circulating belt (3) are meshed with an inner roller (301), the inner roller (301) is meshed with a first gear (302), the first gear (302) is meshed with a second gear (303), the second gear (303) is meshed with an outer roller (304), and a middle connecting shaft (305) is fixed at the center of the outer roller (304).

2. A histological slicing device according to claim 1, wherein the middle part of the slicing power module (1) is slidably provided with a tissue chuck (101), the front part of the slicing power module (1) is provided with a control screen (102), and the side surface of the slicing power module (1) is rotated with a hand wheel (103).

3. A histological slicing device according to claim 1, wherein the rear part of the tool rest (2) is provided with a connecting chute (201), the side surface of the front part of the tool rest (2) is vertically and slidably connected with a side sliding block (202), the side sliding block (202) is in threaded connection with a lifting screw (203), a supporting spring (204) is fixed at the top of the side sliding block (202), a damping block (205) is fixed at the top of the supporting spring (204), and a blade (206) is arranged at the upper part of the tool rest (2).

4. A histological slide device according to claim 3, wherein the lifting screw (203) is rotatably connected to the tool holder (2), the lifting screw (203) is located outside the tool holder (2), and the damping block (205) is vertically slidably connected to the tool holder (2).

5. A histological cutting apparatus according to claim 3, wherein the inner roller (301) is rotatably connected to the tool holder (2), the first gear (302) and the second gear (303) are both centrally connected to the tool holder (2), and the outer edge of the outer roller (304) is vertically aligned with the edge of the blade (206).

6. A histological slide device according to claim 3, wherein the endless belt (3) is located in front of the blade (206), and the inner roller (301) in front of the endless belt (3) is slidingly connected to the top of the damping block (205).

7. A histological section apparatus according to claim 3, wherein the intermediate connecting shaft (305) is slidably connected to the connecting chute (201), and the outer roller (304) is in unidirectional engagement with the second gear (303).