CN210638976U

CN210638976U - Tissue mincing subassembly, tissue mincing device, tissue mincing appearance

Info

Publication number: CN210638976U
Application number: CN201921121066.0U
Authority: CN
Inventors: 戴新; 李军
Original assignee: Car T Shanghai Biotechnology Co ltd
Current assignee: Car T Shanghai Biotechnology Co ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-05-29
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a tissue comminution subassembly, tissue comminution device, tissue morcellator. The utility model discloses tissue shredding assembly for live body tissue comminution device contains the box to and set up on the box: a lateral cutter provided on a living tissue cutting surface of the case, the living tissue being pushed from inside the case to the living tissue cutting surface; the longitudinal cutter is arranged on the box body through a sliding rod and slides along the sliding rod; and the recovery hopper is arranged below the transverse cutter and is used for recovering the living tissues cut by the transverse cutter and the longitudinal cutter. The tissue mincing component, the tissue mincing device and the tissue mincing instrument of the utility model have simple and practical structure and simple control, can reduce the surface damage of the sliced tissue to the maximum extent, ensure uniform thickness and good tissue reproducibility, and greatly reduce the error; moreover, the universality is strong, the technical requirements are met, and the cost is saved.

Description

Tissue mincing subassembly, tissue mincing device, tissue mincing appearance

Technical Field

The utility model relates to the technical field of medical experimental apparatus, in particular to tissue chopping assembly, tissue chopping device, tissue chopper.

Background

In medical experiments or assays, as well as in vitro studies of biochemical, pharmacological, toxicological, neurological and other thin biopsies, biopsy of biological biopsy is required from animals or humans, but prior art tissue morcellators either cause significant damage to the surface of the tissue during morcellation or are not sufficiently uniform in thickness, and the reproducibility of those tissue slices is poor, and therefore, experimental or assay errors are large.

Disclosure of Invention

According to the embodiment of the utility model provides a tissue shredding component for live body tissue comminution device contains the box to and set up on the box:

a lateral cutter provided on a living tissue cutting surface of the case, the living tissue being pushed from inside the case to the living tissue cutting surface;

the longitudinal cutter is arranged on the box body through a sliding rod and slides along the sliding rod;

and the recovery hopper is arranged below the transverse cutter and is used for recovering the living tissues cut by the transverse cutter and the longitudinal cutter.

Further, the transverse cutter is a hollow net-shaped cutter, and the blade direction of the transverse cutter is vertical to the living tissue cutting surface of the box body.

Further, the size of the grid of the transverse cutter is adjustable, and the size of the grid is matched with the cutting requirement.

Further, the direction of pushing the living tissue from the inside of the case is parallel to the direction of the blade of the lateral cutter.

Further, the cutting edges of the longitudinal cutters are oriented parallel to the surfaces of the transverse cutters.

Further, the cutting surface of the blade of the longitudinal cutter is tightly attached to the surface of the transverse cutter.

Further, still contain the motor, the motor drives vertical cutter slides along the slide bar.

Furthermore, two ends of the sliding rod are provided with limiting blocks which limit the sliding stroke of the longitudinal cutter.

According to yet another embodiment of the present invention, there is provided a tissue mincing device comprising the tissue mincing assembly according to any one of the above-mentioned items.

According to another embodiment of the present invention, a tissue mincing device is provided, which comprises a controller and the above-mentioned tissue mincing device.

According to the tissue mincing component, the tissue mincing device and the tissue mincing instrument of the embodiment of the utility model, the structure is simple and practical, the control is simple, the surface damage of the sliced tissue can be reduced to the maximum extent, the thickness is ensured to be uniform, the tissue reproducibility is good, and the error is greatly reduced; moreover, the universality is strong, the technical requirements are met, and the cost is saved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology.

Drawings

Fig. 1 is a schematic structural view of a tissue mincing assembly according to an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the following detailed description of preferred embodiments thereof, which is to be read in connection with the accompanying drawings.

First, a tissue mincing assembly according to an embodiment of the present invention will be described with reference to fig. 1, which is used in a tissue mincing device for providing tissue slices for medical experiments or assays, as well as in vitro studies of biochemical, pharmacological, toxicological, neurological and other thin living tissue slices, and has a wide range of applications.

As shown in fig. 1, the tissue mincing assembly of the embodiment of the present invention comprises a box body 1, and a tissue mincing unit disposed on the box body 1: a transverse cutter 3, a longitudinal cutter 2 and a recovery bucket 5. In the embodiment, the transverse cutter 3 and the longitudinal cutter 2 are replaceable or disposable, so that the cleaning is convenient, and the cross contamination among different samples is avoided;

specifically, as shown in fig. 1, the transverse cutter 3 is disposed on a living tissue cutting surface of the box 1, and the living tissue is pushed from the inside of the box 1 to the living tissue cutting surface, in this embodiment, the transverse cutter 3 is a hollowed-out net-shaped cutter, and the blade direction of the transverse cutter 3 is perpendicular to the living tissue cutting surface of the box, that is, when the living tissue is pushed from the inside of the box 1 to the living tissue cutting surface, the net-shaped blade of the transverse cutter 3 cuts along the pushing direction of the living tissue, so as to cut the living tissue transversely, and further, the pushing direction of the living tissue from the inside of the box is parallel to the orientation of the blade of the transverse cutter, so that the cutting direction of the transverse cutter 3 can be ensured to be uniform, thereby effectively reducing the damage to.

Further, as shown in fig. 1, the size of the grid 4 of the transverse cutter 3 is adjustable, the size of the grid 4 matches with the cutting requirement, in this embodiment, the size of the grid 4 is 1mm × 1mm, and when the size of the biopsy needs to be adjusted, only the size of the grid 4 needs to be adjusted, so that the universality is extremely strong.

Specifically, as shown in fig. 1, the longitudinal knife 2 is disposed on the box 1 through the slide bar 6, the longitudinal knife 2 slides along the slide bar 6, further, the blade of the longitudinal knife 2 faces parallel to the surface of the transverse knife 3, so as to complete the longitudinal cutting of the living tissue, further, the blade cutting surface of the longitudinal knife 2 is closely attached to the surface of the transverse knife 3, in the present embodiment, the step distance for pushing the living tissue is 1mm, and therefore, after the longitudinal knife 2 completes the longitudinal cutting, the pushed living tissue is cut into the same number of grids 4, and the volume is 1mm³The tissue slice is further ensured to have uniform thickness and good reproducibility, and the error is greatly reduced.

Specifically, as shown in fig. 1, a recovery bucket 5 is provided below the lateral cutter 3 for recovering the living tissue cut by the lateral cutter 3 and the longitudinal cutter 2. In this embodiment, the recycling bin 5 is a disposable plastic consumable, and can be filled with liquid to immerse the transverse cutter 3 and the longitudinal cutter 2, so as to prevent the sample from being dried and inactivated.

Specifically, as shown in fig. 1, the tissue mincing assembly of the present embodiment further comprises a motor, and the motor drives the longitudinal cutter 2 to slide along the slide bar 6. Furthermore, the two ends of the sliding rod 6 are provided with limiting blocks which limit the sliding stroke of the longitudinal cutter 2, and the structure is simple and practical and the control is simple.

When the cutting device works, the living tissue is pushed out of a living tissue cutting surface according to the pace of 1mm stepping, the reticular cutter of the transverse cutter 3 transversely cuts the living tissue into tissue sections with the number of 1mm multiplied by 1mm which is the same as that of grids, the longitudinal cutter 2 is manually or automatically driven by a motor to longitudinally cut along the sliding rod 6 and the surface of the grid 4 attached to the transverse cutter 3, and the tissue sections with the volume of 1mm and the number of grids which is the same as that of the grids are formed³The cut living tissue is recovered by a recovery bucket 5 for experiment or assay.

As mentioned above, the tissue mincing assembly of the embodiment has simple and practical structure and simple control, can reduce the surface damage of the sliced tissue to the maximum extent, ensures uniform thickness and good tissue reproducibility, and greatly reduces errors; moreover, the universality is strong, the technical requirements are met, and the cost is saved.

A tissue mincing assembly according to an embodiment of the invention has been described above with reference to fig. 1. Further, the present invention may also be applied to tissue morcellating devices.

The utility model discloses another embodiment provides a tissue mincing device, contains above-mentioned tissue mincing subassembly, and its tissue mincing principle is the same with the tissue mincing subassembly of the embodiment of the utility model, and no longer the description is given here, can satisfy experiment and chemical examination requirement, can reduce section tissue surface damage to the utmost extent, and guarantee that the thickness is even, and the reproducibility of tissue is good, greatly reduced the error; moreover, the universality is strong, the technical requirements are met, and the cost is saved.

The above describes a tissue mincing device according to an embodiment of the present invention. Further, the utility model discloses can also be applied to the tissue and cut up the appearance.

According to another embodiment of the present invention, there is provided a tissue mincing instrument, comprising a controller and the above mentioned tissue mincing device, wherein the tissue mincing principle is the same as that of the tissue mincing device of the embodiment of the present invention, which is not repeated herein, the tissue mincing instrument can meet the requirements of experiment and assay, reduce the surface damage of sliced tissue to the maximum extent, ensure uniform thickness, and have good tissue reproducibility, and greatly reduce the error; moreover, the universality is strong, the technical requirements are met, and the cost is saved.

In the above, with reference to fig. 1, the tissue mincing assembly, the tissue mincing device and the tissue mincing instrument according to the embodiment of the present invention are described, which have simple and practical structure, simple control, minimized surface damage of the sliced tissue, uniform thickness, good tissue reproducibility and greatly reduced error; moreover, the universality is strong, the technical requirements are met, and the cost is saved.

It should be noted that, in the present specification, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a tissue mincing assembly or tissue mincing device or tissue mincing machine" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.

Claims

1. A tissue mincing component for a living tissue mincing device is characterized by comprising a box body and being arranged on the box body:

2. The tissue mincing assembly of claim 1, wherein the transverse cutter is a hollow mesh cutter having a cutting edge oriented perpendicular to the cutting surface of the living tissue of the housing.

3. The tissue mincing assembly of claim 2, wherein the transverse cutter has an adjustable grid size that matches the cutting requirements.

4. A tissue mincing assembly according to claim 1 or 2, wherein the living tissue is pushed from the interior of the housing in a direction parallel to the orientation of the cutting edges of the transverse cutter.

5. The tissue mincing assembly of claim 1 or 2, wherein the cutting edges of the longitudinal cutters are oriented parallel to the surfaces of the transverse cutters.

6. The tissue mincing assembly of claim 5, wherein the cutting surfaces of the blades of the longitudinal cutter abut the surfaces of the transverse cutter.

7. The tissue mincing assembly of claim 6, further comprising a motor that slides the longitudinal knife along a slide bar.

8. The tissue mincing assembly of claim 1 or 6, wherein the slide rod is provided with stops at each end thereof, the stops limiting the sliding travel of the longitudinal cutter.

9. A tissue mincing device comprising the tissue mincing assembly according to any one of claims 1 to 8.

10. A tissue mincing device comprising a controller and, further comprising the tissue mincing device of claim 9.