CN215351618U

CN215351618U - A fixing device for animal radiotherapy experiment

Info

Publication number: CN215351618U
Application number: CN202120468039.1U
Authority: CN
Inventors: 朱鹭超; 刘俊; 李实�; 李夷民; 陈洪敏
Original assignee: First Affiliated Hospital of Xiamen University
Current assignee: First Affiliated Hospital of Xiamen University
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-12-31
Anticipated expiration: 2031-03-04

Abstract

The utility model provides a fixing device for animal radiotherapy experiment, comprising: the positioning fixing pieces are detachably connected with the fixing matching pieces, and the fixing matching pieces are used for fixing an animal to be detected; the thermoplastic mask comprises a fixed ring body and a thermoplastic plastic net, the fixed ring body is detachably connected to the edge of the first side of the substrate, the thermoplastic plastic net is connected to the fixed ring body and covers the first side of the substrate, the thermoplastic plastic net is heated and softened and then extrudes the animal to be tested, and a certain fixing space is formed by cooling and shaping. The fixing device with simple structure and good fixing effect can be provided by applying the technical scheme.

Description

A fixing device for animal radiotherapy experiment

Technical Field

The utility model relates to a fixing device for animal radiotherapy experiments.

Background

In the animal radiotherapy experiment process, experimental animals are required to be fixed for experiments, most of fixed small animals in the prior experiments are bound by rubber tubes or ropes, no good fixing method is available, sometimes, the breathing and normal physiological limit of the small animals are affected by over-tightening of the binding, even the limbs of the small animals are injured, sometimes, the binding is not tight, and the phenomena of displacement or halfway escape, which causes the experiment failure and the like are caused.

For example, chinese utility model patent CN110448391A discloses a fixing device for experimental animal radiotherapy, including bottom sprag board, two supporting shoes, ray separation board, animal fixed plate, sealing member, two supporting shoe subtend parallel fixed settings are on the bottom sprag board, fix the experimental animal on the animal fixed plate, through adjusting the animal fixed plate, make the animal fixed plate can follow bottom sprag board horizontal, longitudinal movement. This kind of fixing device has the following shortcoming: the head that at first can't guarantee the animal is fixed at the experimentation, only fixes through bandage or magic subsides, and the head of animal is struggled easily and is taken off, and secondly, when fixing the less animal of size, can't realize better fixed effect.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to overcoming the above-mentioned deficiencies in the prior art and providing a fixation device for animal radiotherapy experiments.

In order to solve the above technical problem, the present invention provides a fixing device for animal radiotherapy experiment, comprising:

the positioning fixing pieces are detachably connected with the fixing matching pieces, and the fixing matching pieces are used for fixing an animal to be detected;

the thermoplastic mask comprises a fixed ring body and a thermoplastic plastic net, the fixed ring body is detachably connected to the edge of the first side of the substrate, the thermoplastic plastic net is connected to the fixed ring body and covers the first side of the substrate, the thermoplastic plastic net is heated and softened and then extrudes the animal to be tested, and a certain fixing space is formed by cooling and shaping.

Preferably, the positioning fixing pieces are arranged on the base plate at regular intervals.

Preferably, the positioning fixing parts are arranged at regular intervals along the length direction of the base plate, and the positioning fixing parts are arranged at regular intervals along the width direction of the base plate.

Preferably, the first side of the substrate is a side of the substrate along the length direction.

Preferably, a positioning information or a filling plane for filling the positioning information is further disposed beside each positioning fixing member.

Preferably, the positioning information is one or more of a number, a pattern or a color.

Preferably, the fastening fittings are straps, and each of the positioning fasteners includes one or more strap connectors.

Preferably, the fixed mating member is a bandage or a cable tie, and the belt body connecting piece is a hook or a snap ring.

Preferably, a plurality of first connecting pieces are arranged at intervals on the edge of the substrate, second connecting pieces correspondingly connected with the first connecting pieces are arranged at intervals on the fixed ring body, and the first connecting pieces are detachably connected with the second connecting pieces.

Preferably, the first connector is a groove, and the second connector is a post.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

1. for some small animals, such as mice, the fixing device can fix the animal to be tested on the substrate only through the thermoplastic mask. For some animals with larger body sizes, such as monkeys and the like, the limbs and the trunk of the animal to be detected can be fixed through the cooperation between the fixed fitting part and the positioning and fixing part, and the head of the animal is fixed accurately.

2. When different animals are tested, different thermoplastic masks can be replaced, the same substrate can be matched with different thermoplastic masks, and the problem that the substrate is frequently taken down from a radiation instrument is solved;

3. when the same animal is subjected to multiple experiments, because the animal needs to be fixed to the same position as the previous experiment every time, positioning information or a filling plane for filling the positioning information is further arranged beside each positioning fixing piece, and the positioning information is one or more of a number, a pattern and a color. In this embodiment, the positioning information is a number. When the four limbs of every animal or trunk are placed on the base plate, all can mark the fixed point through locating information, when the experiment next time, only need according to the locating information of last experiment record, can realize the setting of same position with the animal through location mounting and fixed fitting spare.

Drawings

FIG. 1 is a perspective view of a fixation device in accordance with a preferred embodiment of the present invention;

FIG. 2 is a perspective view of a substrate in accordance with a preferred embodiment of the present invention;

FIG. 3 is a schematic perspective view of a thermoplastic face mask in accordance with a preferred embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of the base plate showing the positioning fixture in accordance with the preferred embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of the substrate showing the positioning fixture and positioning information in accordance with a preferred embodiment of the present invention.

Detailed Description

The utility model is further described with reference to the following figures and detailed description.

Certain directional terms used hereinafter to describe the drawings, such as "inner", "outer", "above", "below", and other directional terms, will be understood to have their normal meaning and refer to those directions as they normally relate to when viewing the drawings. Unless otherwise indicated, the directional terms described herein are generally in accordance with conventional directions as understood by those skilled in the art.

The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.

Referring to fig. 1-5, a fixing device 100 for animal radiotherapy experiment, the fixing device 100 includes a base plate 1 and a thermoplastic mask 2, the base plate 1 is in a waist circle shape, a plurality of positioning fixing pieces 11 are arranged on the base plate 1 at intervals, the positioning fixing pieces 11 are used for detachably connecting a fixing fitting piece, and the fixing fitting piece is used for fixing an animal to be tested.

The thermoplastic mask 2 comprises a fixed ring body 21 and a thermoplastic plastic net 22, the fixed ring body 21 is detachably connected to the first side edge of the substrate 1, the thermoplastic plastic net 22 is connected to the fixed ring body 21 and covers the first side of the substrate 1, the first side of the substrate 1 is located on one side of the substrate 1 along the length direction, and the thermoplastic plastic net 22 is heated and softened and then extrudes an animal to be tested and is cooled and shaped to form a certain fixing space. When an animal radiotherapy experiment is carried out, the head of an animal to be tested can be fixed through the thermoplastic mask 2, the head of the animal to be tested is positioned in the shaping and fixing space, and for some animals with smaller body sizes, such as mice and the like, the fixing device 100 can fix the animal to be tested on the substrate 1 only through the thermoplastic mask 2. And to the great animal of some sizes, for example monkey etc. the four limbs and the trunk of the animal that awaits measuring can realize fixedly through the cooperation between fixed fitting piece and the location mounting 11, and the head of the animal that awaits measuring can hold on the thermoplastic face guard 2 of corresponding preparation, when experimenting different animals, can change different thermoplastic face guards 2.

In this embodiment, the positioning fixtures 11 are uniformly spaced on the substrate 1, the positioning fixtures 11 are uniformly spaced along the length direction of the substrate 1, and the positioning fixtures are uniformly spaced along the width direction of the substrate 1.

When a plurality of experiments are carried out on the same animal, because the animal needs to be fixed to the same position as the previous experiment every time, each positioning fixing piece 11 is also provided with positioning information 12 or a filling plane for filling the positioning information 12, and the positioning information 12 is one or more of a number, a pattern and a color. In the present embodiment, the positioning information 12 is a number. When the four limbs of every animal or the trunk are placed on base plate 1, all can mark the fixed point through locating information 12, when the experiment next time, only need according to the locating information 12 of last experiment record, can realize the setting of same position with the animal through location mounting 11 and fixed fitting spare.

In this embodiment, the fixing engagement members are belts, and each of the positioning and fixing members 11 includes one or more belt connectors 111. Specifically, the fixed mating member is a binding band or a binding band, the band body connecting member 111 is a hook or a snap ring, or the fixed mating member is a magic tape, and the band body connecting member 111 is a magic tape.

In this embodiment, a plurality of first connectors 13 are disposed at intervals on the edge of the substrate 1, second connectors 23 correspondingly connected to the first connectors 13 are disposed at intervals on the fixed ring body 21, the first connectors 13 are detachably connected to the second connectors 23, the first connectors 13 are grooves, and the second connectors 23 are bosses. The first connecting member 13 may be directly connected to the second connecting member 23, and in some simple alternatives, the first connecting member 13 may be a bolt, and the second connecting member 23 may be a screw hole.

The above description is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any person skilled in the art can make insubstantial changes in the technical scope of the present invention within the technical scope of the present invention, and the actions infringe the protection scope of the present invention are included in the present invention.

Claims

1. A fixture for animal radiotherapy experiments, comprising:

2. The fixture for animal radiotherapy experiments of claim 1, wherein: the positioning fixing pieces are arranged on the base plate at regular intervals.

3. A fixture for animal radiotherapy experiments as claimed in claim 2, wherein: the positioning fixing pieces are arranged at intervals along the length direction of the base plate, and the positioning fixing pieces are arranged at intervals along the width direction of the base plate.

4. The fixture for animal radiotherapy experiments of claim 1, wherein: the first side of the substrate is the side of the substrate along the length direction.

5. The fixture for animal radiotherapy experiments of claim 1, wherein: and a positioning information or a filling plane for filling the positioning information is arranged beside each positioning fixing piece.

6. The fixture for animal radiotherapy experiments of claim 5, wherein: the positioning information is one or more of a number, a pattern, or a color.

7. The fixture for animal radiotherapy experiments of claim 1, wherein: the fixing matching parts are belts, and each positioning fixing part comprises one or more belt body connecting parts.

8. The fixture apparatus for animal radiation therapy experiments as claimed in claim 7, wherein: the fixed mating part is a bandage or a tie strap, the belt body connecting part is a hook or a snap ring, or the fixed mating part is a magic tape, and the belt body connecting part is a magic tape.

9. The fixture for animal radiotherapy experiments of claim 1, wherein: the edge interval of base plate is provided with a plurality of first connecting pieces, the fixed ring body interval is provided with the second connecting piece that corresponds the connection with first connecting piece, first connecting piece and second connecting piece detachable are connected.

10. The fixture for animal radiation therapy experiments as set forth in claim 9, wherein: the first connecting piece is a groove, and the second connecting piece is a convex column.