CN220751647U

CN220751647U - Lymph node tissue slicer

Info

Publication number: CN220751647U
Application number: CN202322209968.2U
Authority: CN
Inventors: 方杰
Original assignee: Cancer Hospital and Institute of CAMS and PUMC
Current assignee: Cancer Hospital and Institute of CAMS and PUMC
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-04-09
Anticipated expiration: 2033-08-16

Abstract

The utility model discloses a lymph node tissue slicer, which comprises a machine body, wherein a slicing servo module is arranged on the upper end face of the machine body, a voice coil motor is arranged on the surface of the slicing servo module and is used for driving a blade to cut a sample, a pushing servo module is arranged on the machine body, a sample storage part is arranged on the pushing servo module, and an elbow clamp for compressing the sample storage part is arranged above the machine body. The utility model has simple structure, can plug the unfrozen and hard lymphoid tissue into the sample tube through the arrangement of the sample storage part, is convenient for subsequent slicing, avoids the generation of broken foam when slicing the frozen and hard lymphoid tissue, reduces the freezing requirement of the lymphoid tissue, simultaneously can reduce the generation of broken foam when slicing the lymphoid tissue, and is convenient for limiting and fixing the fixed block connected with the sample tube under the action of the elbow clamp.

Description

Lymph node tissue slicer

Technical Field

The utility model relates to the technical field of lymph node tissue sections, in particular to a lymph node tissue section machine.

Background

Lymph nodes are important components of the human lymphatic system and they play a critical role in the immune system. A lymph node tissue slicer is a special device for preparing a lymph node tissue slice. These sections can be used for pathology research, diagnosis and therapy assessment, as well as scientific research and teaching.

The design of lymph node tissue microtomes aims to effectively cut lymph node tissue into very thin sections, typically a thickness of a few microns to tens of microns. These sections need to have a high quality and consistent morphology for accurate pathological analysis and observation, and the use of lymph node tissue microtomes requires specialized training and technical knowledge to ensure the quality and accuracy of the sections.

The following points should be noted in the case of lymphatic sectioning:

1. paraffin tissue blocks are not too hard to freeze, or foam is easy to break when slicing;

2. when the tissue block is roughly cut, the tissue block cannot be cut too thick, otherwise, the inside of the tissue block is easy to crack;

3. the slicing knife is sharp, the feeding force is uniform, and the slicing thickness is preferably 3-4 m; the slice is too thick, so that not only is diagnosis difficult, but also the slice is easy to be removed in the dyeing process.

This not only requires that each pathologist have good job quality and responsibility, but also requires a precision slicing device, and a lymph node tissue slicer is proposed for this purpose.

Disclosure of Invention

The utility model aims to provide a lymph node tissue slicer for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lymph node tissue slicer, includes the fuselage, the servo module of section is installed to the up end of fuselage, the surface of the servo module of section is equipped with voice coil motor, and voice coil motor is used for driving the blade and cuts the sample, install the servo module of pushing away the material on the fuselage, be equipped with sample storage part on the servo module of pushing away the material, and the top of fuselage is equipped with the elbow clamp that compresses tightly sample storage part.

As a further scheme of the utility model: the front end face of the machine body is provided with a power switch and a touch screen respectively.

As a further scheme of the utility model: the pushing servo module comprises a connecting mechanism arranged below the machine body, a servo motor and a screw rod pushing mechanism are respectively arranged on the upper end face of the connecting mechanism, and the end parts of the servo motor and the screw rod pushing mechanism penetrate through the upper part of the machine body from the lower part of the machine body.

As a further scheme of the utility model: the sample storage part comprises a fixed block and a sample tube, wherein the fixed block is sleeved on the periphery of the sample tube, and a conical groove is formed in the end part, far away from the sample tube, of the fixed block.

As a further scheme of the utility model: the upper end of the screw rod pushing mechanism is matched with the lower end of the inner cavity of the sample tube, and the screw rod pushing mechanism is used for fixing the sample tube at the upper end of the screw rod pushing mechanism.

As a further scheme of the utility model: the inner part of the conical groove is matched with the lower end of the elbow clamp.

As a further scheme of the utility model: the upper end face of the machine body is provided with a support, the support is located below the blade, and the sample tube is located inside the support.

As a further scheme of the utility model: the upper end face of the machine body is close to the side edge of the bracket and provided with a base, and the upper end of the base is fixedly provided with an elbow clamp through a bolt.

As a further scheme of the utility model: the landing legs are arranged at the positions, close to the four corners, of the lower end face of the machine body, and the bottom surfaces of the four landing legs are all in the same horizontal plane.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arrangement of the sample storage part, unfrozen and hard lymphoid tissue can be plugged into the sample tube to facilitate subsequent slicing, so that the problem that the frozen and hard lymphoid tissue is easy to generate foam is avoided when the frozen and hard lymphoid tissue is sliced, the freezing requirement of the lymphoid tissue is reduced, the foam generated when the lymphoid tissue is sliced is reduced, and the fixed block connected with the sample tube is conveniently limited and fixed under the action of the elbow clamp.

2. According to the control system, the PLC system and the human-computer interface can set different parameters according to samples, the voice coil motor drives the slicing knife to set the cutting frequency of the blade, the sharpness of the blade is reduced, and the servo motor module ensures that the feeding force is uniform; the sample tube adopts a closing-in design, so that the sample tube is not easy to crack during slicing; the servo motor module supplies the thickness that improves the section is thinner more even.

Drawings

FIG. 1 is a schematic view of a microtome according to the present utility model;

FIG. 2 is a schematic bottom view of the slicer of the present utility model;

FIG. 3 is a schematic front view of the fuselage of the present utility model;

FIG. 4 is a schematic diagram of a slice servo module and voice coil motor according to the present utility model;

FIG. 5 is a schematic diagram of a pushing servo module according to the present utility model;

FIG. 6 is a schematic view of a sample holder of the present utility model;

in the figure: 1. a body; 2. a power switch; 3. a touch screen; 4. a supporting plate; 5. a slice servo module; 6. a voice coil motor; 7. a blade; 8. a bracket; 9. a base; 10. an elbow clamp; 11. a pushing servo module; 111. a connecting mechanism; 112. a servo motor; 113. a screw pushing mechanism; 12. a sample storage unit; 121. a fixed block; 122. a sample tube.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, in an embodiment of the utility model, a lymph node tissue slicer includes a machine body 1, supporting legs are installed at positions, adjacent to four corners, of a lower end surface of the machine body 1, bottom surfaces of the four supporting legs are all in the same horizontal plane, a slicing servo module 5 (the slicing servo module 5 is a conventional servo electric cylinder) is installed on an upper end surface of the machine body 1, the slicing servo module 5 is fixed on the upper end surface of the machine body 1 through a supporting plate 4, a voice coil motor 6 is assembled on the surface of the slicing servo module 5, the voice coil motor 6 is used for driving a blade 7 to cut a sample, a pushing servo module 11 is installed on the machine body 1, a sample storage part 12 is arranged on the pushing servo module 11, and an elbow clamp 10 for compacting the sample storage part 12 is arranged above the machine body 1.

Specifically, the machine body 1 can play a role in positioning and supporting the slice servo module 5 and the pushing servo module 11, meanwhile, the slice servo module 5 can drive the voice coil motor 6 to move in the horizontal direction (the principle that the slice servo module 5 controls the voice coil motor 6 to move is the prior art, and the voice coil motor 6 drives the blade 7 to cut, and the pushing servo module 11 pushes out lymphoid tissue during slicing, so that the next slicing is convenient, and the elbow clamp 10 installs and fixes the sample storage part 12 on the pushing servo module 11.

Referring to fig. 3, in an embodiment, in order to set different parameters according to a sample to obtain a better slicing effect, in this embodiment, preferably, a power switch 2 and a touch screen 3 are respectively installed on a front end surface of a body 1, so that a worker can set different parameters on the touch screen 3 to match different lymphoid tissue slices, and then the power switch 2 controls an overall switch of the slicer.

Referring to fig. 1 and 5, in one embodiment, in order to facilitate orderly pushing out of the lymphoid tissue in the sample storage portion 12, in this embodiment, preferably, the pushing servo module 11 includes a connection mechanism 111 disposed below the machine body 1, the upper end surface of the connection mechanism 111 is respectively provided with a servo motor 112 and a screw pushing mechanism 113, and the ends of the servo motor 112 and the screw pushing mechanism 113 penetrate from the lower side of the machine body 1 to the upper side of the machine body 1, so that the main purpose thereof is to push out the lymphoid tissue in the sample storage portion 12 by the screw pushing mechanism 113, and then the pushing amplitude of the screw pushing mechanism 113 is controlled by the servo motor 112 (the working principle of the pushing servo module 11 is the prior art, and will not be repeated here).

Referring to fig. 6, in this embodiment, preferably, the sample storage portion 12 includes a fixing block 121 and a sample tube 122, the fixing block 121 is sleeved on the periphery of the sample tube 122, a tapered groove is formed at an end of the fixing block 121 away from the sample tube 122, the sample tube 122 adopts a closing design, and the interior of the tapered groove is adapted to the lower end of the elbow clamp 10.

Specifically, the lymphatic tissue can be stored through the sample tube 122, and the lymphatic tissue can be prevented from being broken easily when being sliced under the effect of the closing-in design, and then the position of the sample tube 122 can be fixed under the effect of the fixing block 121, and meanwhile, the lower end of the elbow clamp 10 can conveniently limit the fixing block 121 under the effect of the conical groove.

Referring to fig. 5-6, in one embodiment, preferably, the upper end of the screw pushing mechanism 113 is matched with the lower end of the inner cavity of the sample tube 122, so as to fix the sample tube 122 on the upper end of the screw pushing mechanism 113, and the main purpose of the screw pushing mechanism is to facilitate assembling the sample tube 122 on the upper end of the screw pushing mechanism 113, and pushing out the internal lymphoid tissue of the sample tube 122 by a pushing rod located in the sample tube 122 on the screw pushing mechanism 113.

Referring to fig. 1, in one embodiment, in order to support the bottom of the fixing block 121, in this embodiment, preferably, the upper end face of the machine body 1 is provided with a bracket 8, the bracket 8 is located below the blade 7, the sample tube 122 is located inside the bracket 8, the bottom of the fixing block 121 is adapted to the upper end of the bracket 8, so that the fixing block 121 is conveniently clamped at the upper end of the bracket 8 to perform limiting, and the position of the fixing block 121 is primarily fixed.

Referring to fig. 1, in one embodiment, preferably, a base 9 is mounted on the upper end surface of the body 1 proximate to the side edge of the bracket 8, and an elbow clip 10 is fixedly mounted on the upper end of the base 9 by bolts, so that the elbow clip 10 is fixed on the upper end of the body 1 by the base 9, and then the elbow clip 10 is limited at a corresponding height so as to be capable of compressing the position of the fixing block 121.

The working principle and the using flow of the utility model are as follows: firstly, fixing an elbow clamp 10 on a base 9 through a bolt, fixing the base 9 on a machine body 1 through the bolt, then sequentially assembling a slicing servo module 5, a voice coil motor 6 and a blade 7, putting lymphoid tissues into a sample tube 122 when the slicer is used after the assembly is completed, putting the sample tube 122 and pressing a fixed block 121 connected with the sample tube 122 through the elbow clamp 10 after the treatment is completed, wherein the upper end of a screw pushing mechanism 113 is positioned in the sample tube 122; after the power switch 2 is turned on and the system is restarted, slicing parameters are set on the touch screen 3, and then a button is started (the operation of other components can be controlled while different parameters can be controlled through a PLC system and a human-computer interface, and the operation process is the prior art and does not need to be detailed one by one); the blade 7 is driven by the voice coil motor 6 to perform high-frequency operation; the slicing servo module 5 drives the voice coil motor 6 and the blade 7 to slice; after the lymphoid tissue is cut, the lead screw pushing mechanism 113 automatically pushes out the lymphoid tissue, and the next sheet is cut.

Although the present disclosure describes embodiments, not every embodiment is described in terms of a single embodiment, and such description is for clarity only, and one skilled in the art will recognize that the embodiments described in the disclosure as a whole may be combined appropriately to form other embodiments that will be apparent to those skilled in the art.

Therefore, the above description is only of the preferred embodiments of the present application and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. The utility model provides a lymph node tissue slicer, includes fuselage (1), its characterized in that, servo module (5) of section are installed to the up end of fuselage (1), the surface of servo module (5) of section is equipped with voice coil motor (6), and voice coil motor (6) are used for driving blade (7) and cut the sample, install on fuselage (1) and push away material servo module (11), push away and be equipped with sample storage portion (12) on material servo module (11), and the top of fuselage (1) is equipped with elbow clamp (10) that compress tightly sample storage portion (12).

2. The lymph node tissue slicer according to claim 1, wherein the front end surface of the main body (1) is respectively provided with a power switch (2) and a touch screen (3).

3. The lymph node tissue slicer according to claim 1, wherein the pushing servo module (11) comprises a connecting mechanism (111) arranged below the machine body (1), a servo motor (112) and a screw pushing mechanism (113) are respectively arranged on the upper end face of the connecting mechanism (111), and the ends of the servo motor (112) and the screw pushing mechanism (113) penetrate through the lower part of the machine body (1) to the upper part of the machine body (1).

4. The lymph node tissue slicer according to claim 3, wherein the sample storage section (12) comprises a fixing block (121) and a sample tube (122), the fixing block (121) is sleeved on the periphery of the sample tube (122), and a conical groove is formed in the end part, far away from the sample tube (122), of the fixing block (121).

5. The lymph node tissue microtome of claim 4, wherein the upper end of the screw pushing mechanism (113) is matched with the lower end of the inner cavity of the sample tube (122) for fixing the sample tube (122) on the upper end of the screw pushing mechanism (113).

6. The lymph node tissue microtome of claim 4, wherein the interior of the conical recess is adapted to the lower end of the elbow clamp (10).

7. The lymph node tissue microtome according to claim 5, wherein the upper end surface of the main body (1) is provided with a bracket (8), the bracket (8) is located below the blade (7), and the sample tube (122) is located inside the bracket (8).

8. The lymph node tissue slicer according to claim 7, wherein a base (9) is mounted on the upper end surface of the body (1) close to the side edge of the bracket (8), and an elbow clamp (10) is fixedly mounted on the upper end of the base (9) through bolts.

9. The lymph node tissue slicer according to claim 1, wherein the lower end surface of the main body (1) is provided with legs at positions adjacent to four corners, and the bottom surfaces of the four legs are in the same horizontal plane.