CN211805674U

CN211805674U - Slice positioning device

Info

Publication number: CN211805674U
Application number: CN201922361110.1U
Authority: CN
Inventors: 龚勋; 刘东成; 张晋
Original assignee: Shenzhen Shengshi Biomedical Technology Co ltd
Current assignee: Shenzhen Shengshi Biomedical Technology Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-10-30
Anticipated expiration: 2029-12-24

Abstract

The utility model relates to the technical field of biological instruments, a section positioner is disclosed. The slice positioning device comprises a tray, wherein a first bearing part for bearing slices is arranged at the upper part of the tray; the tray comprises a tray body, a first bearing part and a limiting part, wherein the tray body is provided with a first bearing part and a second bearing part; the second limiting part is positioned on the other side of the first bearing part and is opposite to the first limiting part, a second end part is arranged on the second limiting part, and the first end part and the second end part limit the slices from the upper part of the slices respectively; the first restriction portion and the second restriction portion are provided so as to be able to approach or separate from each other. The utility model discloses a section positioner can prevent the perk of section side to get easily and put.

Description

Slice positioning device

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a section positioner is related to.

Background

When the digital pathological section scanner works, an optical system needs to carry out focusing scanning on a section tissue, so that the requirement on the flatness of section fixation is high. Current section all need be through section groove fixed slice when the scanning, but when current fixing device fixed slice, has the perk of section side, and the section is difficult for getting on the objective table and puts the scheduling problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a section positioner can prevent the perk of section side to the section is got and is put easily.

The utility model provides a slice positioning device, which comprises a tray, wherein the upper part of the tray is provided with a first bearing part for bearing slices; a restricting part mounted to the tray, the restricting part having a first restricting part located at one side of the first bearing part, the first restricting part being provided with a first end portion; a second regulating portion that is located on the other side of the first bearing portion and is opposed to the first regulating portion, the second regulating portion being provided with a second end portion that regulates the cut piece from above the cut piece; the first restriction portion and the second restriction portion are provided so as to be able to approach or separate from each other.

Optionally, a plurality of first bearing portions and a plurality of limiting portions are arranged on the tray, and the limiting portions are in one-to-one correspondence with the first bearing portions respectively.

Optionally, the first limiting part comprises a base, and the base is fixed to the first bearing part; a clamp slidably mounted to the base, the first end disposed on the clamp; the spring part is arranged on the base, one end of the spring part is abutted to the base, and the other end of the spring part is abutted to the clamping piece.

Optionally, the first limiting portion further comprises a guide member, the base is provided with an accommodating cavity, the guide member is erected in the accommodating cavity, and the clamping member and the spring member are respectively sleeved and embedded on the guide member.

Optionally, the first end portion and the second end portion are respectively provided with a slope, and when the first end portion and the second end portion limit the slice, the slope of the first end portion and the slope of the second end portion respectively press the slice.

Optionally, the second limiting portion includes two portions, and the two portions are respectively disposed on the left side and the right side of the first bearing portion.

Optionally, the tray further comprises an object stage, the tray is detachably mounted on the object stage, and an elastic clamping piece is arranged between the object stage and the tray.

Optionally, the resilient catch is provided on the tray.

Optionally, a positioning portion is further disposed between the object stage and the tray, and the tray is mounted to the object stage through the positioning portion.

Optionally, the positioning portion includes a positioning groove disposed on the tray and a positioning boss disposed on the stage, and when the tray is mounted on the stage, the positioning groove is matched with the positioning boss.

The utility model discloses a section positioner has following beneficial effect at least: the first end part and the second end part opposite to the first limiting part and the second limiting part are abutted against the upper parts of the two sides of the slice, so that the two sides of the slice can be prevented from tilting; in addition, the first limiting part and the second limiting part can be close to or far away from each other, so that the chips are convenient to take and place.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a front view of the first and second confinement regions of an embodiment of the invention;

fig. 3 is a schematic perspective view of a first restriction portion according to an embodiment of the present invention;

FIG. 4 is an exploded view of FIG. 3;

fig. 5 is a schematic perspective view of a first limiting portion and a second limiting portion according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of an embodiment of the present invention;

fig. 7 is a sectional view of a positioning groove and a positioning boss according to an embodiment of the present invention.

Detailed Description

The conception and the resulting technical effects of the present invention will be described clearly and completely with reference to the following embodiments, so that the objects, features and effects of the present invention can be fully understood. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, if a feature is referred to as being "disposed", "fixed", "connected", or "mounted" on another feature, it can be directly disposed, fixed, or connected to the other feature or indirectly disposed, fixed, connected, or mounted on the other feature. In the description of the embodiments of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.

Referring to fig. 1 and 2, an embodiment of the present invention provides a slice positioning device, including a tray 1, wherein a first bearing part 11 for bearing a slice 5 is arranged at an upper part of the tray 1; a regulating portion 6 attached to the tray 1, the regulating portion 6 having a first regulating portion 2, the first regulating portion 2 being located on one side of the first bearing portion 11, the first regulating portion 2 being provided with a first end portion 21; a second regulating portion 3, the second regulating portion 3 being located on the other side of the first bearing portion 11 and opposed to the first regulating portion 2, the second regulating portion 3 being provided with a second end portion 31, the first end portion 21 and the second end portion 31 regulating the cut piece 5 from above the cut piece 5, respectively; the first limiting portion 2 and the second limiting portion 3 are provided so as to be able to approach or separate from each other.

In the embodiment, the first end portion 21 and the second end portion 31 of the first limiting portion 2 and the second limiting portion 3 opposite to each other are both abutted against the upper portions of the two sides of the cut sheet 5, so that the two sides of the cut sheet 5 can be pressed against the lower portions of the first end portion 21 and the second end portion 31 of the first limiting portion 2 and the second limiting portion 3 opposite to each other, so that the two sides of the cut sheet 5 cannot be tilted and are attached to the first bearing portion 11; in addition, the first limiting part 2 can extend and contract relative to the second limiting part 3, or the second limiting part 3 can extend and contract relative to the first limiting part 2, so when the sliced sheet 5 is inserted into the first bearing part 11 between the first limiting part 2 and the second limiting part 3, one side of the sliced sheet 5 is abutted against the lower part of the first end part 21, the other side of the sliced sheet 5 is inserted into the lower part of the second end part 31, the sliced sheet 5 is placed into the first bearing part 11, and the pressure between the first end part 21 and the second end part 31 fixes the sliced sheet 5 in the first bearing part 11, so that the taking and placing of the sliced sheet 5 are further more convenient.

With continued reference to fig. 1, it is conceivable that a plurality of first bearing parts 11 and a plurality of restricting parts 6 can be provided on the tray, and the restricting parts 6 respectively correspond to the first bearing parts 11 one by one, specifically, a plurality of first restricting parts 2 and second restricting parts 3 can be provided at the same time, and the first restricting parts 2 and second restricting parts 3 are respectively provided at intervals and are provided in parallel on the upper portion of the first bearing part 11, thereby enabling a plurality of cut pieces 5 to be placed at the same time on the upper portion of the first bearing part 11.

Referring to fig. 2-4, in some embodiments, the first restriction 2 includes a base 22, a spring member 24, and a clip member 25. The base of the base 22 is fixed to the tray 1 (fig. 1), the clamping member 25 is mounted to the base 22, the first end 21 is disposed on the clamping member 25, the base 22 is further provided with a spring member 24, one end of the spring member 24 abuts against the base 22, the other end of the spring member 24 abuts against the opposite side of the first end 21 of the clamping member 25, and the clamping member 25 can slide on the base 22 under the action of the spring member 24. It is conceivable that the base 22 may be provided therein with a receiving cavity 221, and two ports 222 may be opened on two sides of the receiving cavity 221; one guide 23 is inserted into the accommodation chamber 221, and both ends of the guide 23 abut against the two ports 222, respectively. The guide 23 may be provided as a cylindrical body; the spring piece 24 is sleeved on the outer peripheral surface of the guide piece 23, and one end of the spring piece 24 is abutted against one side of the accommodating cavity 221; the clamping piece 25 is sleeved on the outer peripheral surface of the guide piece 23, a through hole 251 is arranged in the clamping piece 25, and the clamping piece 25 is sleeved on the guide piece 23 through the through hole 251; since one end of the holding member 25 is connected to the other end of the spring member 24, the holding member 25 is connected to the side surface of the base 22 together with the spring member 24, and the holding member 25 can be slid on the outer peripheral surface of the guide 23 by the spring member 24 in an expanding and contracting manner. The first end 21 of the clamping member 25 abuts against the upper portion of one side of the sliced sheet 5, and the second end 31 of the second limiting portion 3 abuts against the upper portion of the other side of the sliced sheet 5, so that the two sides of the sliced sheet 5 are pressed against the lower portions of the first end 21 and the second end 31, and further, the bottom of the sliced sheet 5 is attached to the upper portion of the first bearing portion 11 (fig. 1). When the cut sheet 5 needs to be placed in the tray 1 (fig. 1), one side edge of the cut sheet 5 abuts against the first end portion 21, the clamping member 25 is pushed away in the direction of the spring member 24, the spring member 24 is forced to compress, the other side edge of the cut sheet 5 is placed at the lower portion of the second end portion 31, the bottom of the cut sheet 5 is in contact with the first bearing portion 11, after the cut sheet 5 is inserted between the first end portion 21 and the second end portion 31, the clamping member 25 rebounds under the action of the spring member 24 to provide continuous elastic pressure for the side portion of the cut sheet 5, so that the cut sheet 5 can be fixed in the first bearing portion 11 between the first end portion 21 and the second end portion 31, and the cut sheet 5 is prevented from shaking in the tray; in addition, the spring piece 24 is arranged, so that the slicing piece 5 can be taken and placed more conveniently.

It is contemplated that the first end 21 and the second end 31 may be provided as a circular arc surface inclined downward, a slope, or other shapes as long as both side portions of the cut piece 5 can be pressed below the first end 21 and the second end 31.

Referring to fig. 2, in the present embodiment, the first end 21 of the clamping member 25 is set as an inclined surface, the second end 31 of the second limiting portion 3 is set as an inclined surface, and the first end 21 and the second end 31 are oppositely arranged and both inclined downward, so that the two sides of the sliced sheet 5 are abutted against the lower portions of the first end 21 and the second end 31 to a certain extent that the sides of the sliced sheet 5 cannot be tilted.

Referring to fig. 1 or 5, in some embodiments, the second limiting portions 3 may be provided in two positions and fixed to left and right sides of an upper portion of the first bearing portion 11, respectively, a space between the first limiting portion 2 and the two second limiting portions 3 forms the first bearing portion 11 for fixing the cut sheet 5, and in addition, a triangular region is formed between the fixing points of the first limiting portion 2 and the two second limiting portions 3, so that the cut sheet 5 is more stable under the triangular fixation.

Referring to fig. 6, in some embodiments, the slice positioning apparatus further comprises a stage 4, the stage 4 being movable in a horizontal direction to scan different areas on the slice 5. At least one side of the object stage 4 is an opening structure, the tray 1 is inserted into the object stage 4 through the opening, an elastic clamping piece 12 (figure 1) is arranged between the tray 1 and the object stage 4, and the elastic clamping piece 12 is conceivably arranged at the side part of the tray 1. Specifically, the elastic latch 12 is of a spring structure. When tray 1 imbeds in objective table 4, elasticity fastener 12 compresses to after tray 1 imbeds objective table 4 completely, elasticity fastener 12 can provide the elastic thrust who lasts to objective table 4 and tray 1, avoids tray 1 to rock about in objective table 4.

In some embodiments, a positioning portion 7 is further provided between the tray 1 and the stage 4, and the tray 1 can be mounted into the stage 4 by the positioning portion 7. Referring to fig. 7, it is conceivable that the positioning portion 7 may have a positioning boss 41 and a positioning groove 13, the positioning groove 13 being capable of fitting with the positioning boss 41. When the tray 1 is inserted into the object stage 4, the positioning boss 41 on the object stage 4 is buckled on the upper part of the positioning slot 13, and the tray 1 slides into the object stage 4, so that the side edge of the tray 1 and the object stage 4 are fixed with each other. Further, tilting of the sides of the pallet 1 in the object table 4 is avoided. The positioning bosses 41 may also be provided as trapezoidal or cylindrical protrusions as long as they can fit with the positioning grooves 13 and can prevent the side portions of the tray 1 from tilting.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

Claims

1. Section positioner, its characterized in that includes:

the tray is provided with a first bearing part for bearing the slices at the upper part;

a restricting part mounted to the tray, the restricting part having

A first limiting portion located at one side of the first bearing portion, the first limiting portion being provided with a first end portion,

a second limiting portion located on the other side of the first bearing portion, opposite the first limiting portion, the second limiting portion being provided with a second end portion,

the first end portion and the second end portion each restrain the slice from above the slice;

the first restriction portion and the second restriction portion are provided so as to be able to approach or separate from each other.

2. The slice positioning device according to claim 1, wherein the tray is provided with a plurality of first bearing parts and a plurality of limiting parts, and the limiting parts are respectively in one-to-one correspondence with the first bearing parts.

3. The slice positioning device of claim 1, wherein the first limiting portion comprises:

the base is fixed on the first bearing part;

a clamp slidably mounted to the base, the first end disposed on the clamp;

the spring part is arranged on the base, one end of the spring part is abutted to the base, and the other end of the spring part is abutted to the clamping piece.

4. The slicer positioning apparatus of claim 3, wherein the first limiting portion further comprises a guiding member, the base is provided with a receiving cavity, the guiding member is erected in the receiving cavity, and the clamping member and the spring member are respectively nested on the guiding member.

5. The slicer positioning apparatus according to claim 1, wherein the first end portion and the second end portion are respectively provided with a slope, and when the first end portion and the second end portion limit the slicer, the slope of the first end portion and the slope of the second end portion respectively press the slicer.

6. The slice positioning device according to claim 1, wherein the second limiting portion comprises two positions, which are respectively disposed on the left and right sides of the first bearing portion.

7. The slice positioning device of claim 1, further comprising a stage to which the tray is detachably mounted, wherein a resilient catch is provided between the stage and the tray.

8. The slice positioning apparatus of claim 7, wherein the spring catch is disposed on the tray.

9. The slice positioning device according to claim 7, wherein a positioning portion is further provided between the stage and the tray, and the tray is mounted to the stage by the positioning portion.

10. The slide positioning device according to claim 9, wherein the positioning portion includes a positioning groove provided in the tray and a positioning boss provided in the stage, the positioning groove and the positioning boss fitting when the tray is mounted to the stage.