CN210963580U

CN210963580U - Fixing device for radiotherapy of experimental animals

Info

Publication number: CN210963580U
Application number: CN201921348995.5U
Authority: CN
Inventors: 庄春林; 缪震元; 马皓; 张万年; 曲卓; 张火俊; 余建强; 徐丽娟
Original assignee: Ningxia Medical University
Current assignee: Ningxia Medical University
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-07-10
Anticipated expiration: 2029-08-20

Abstract

A fixing device for experimental animal radiotherapy comprises a bottom supporting plate, two supporting blocks, a ray blocking plate, an animal fixing plate and a sealing element, wherein the two supporting blocks are oppositely and fixedly arranged on the bottom supporting plate in parallel; the utility model discloses the structure is simple and easy, convenient to use, after having built the device, only need place it in radiotherapy appearance probe below, fix the experimental animals on the animal fixed plate to place the animal fixed plate in the bottom sprag board, with the ray see through the hole just take off the sealing member of experimental animals tumour position department, make the ray pass the ray see through the pore pair experimental animals tumour department and carry out radiotherapy, and other positions of experimental animals can avoid the ray radiation, thereby avoid the experimental animals to die because of the ray dosage is too big.

Description

Fixing device for radiotherapy of experimental animals

Technical Field

The utility model relates to a medical treatment experimental facilities technical field especially relates to a fixing device for experimental animals radiotherapy.

Background

Radiotherapy is a technique that utilizes physical means to focus high-energy rays locally, thereby generating a killing effect on an irradiated object. About 70% of cancer patients require radiation therapy in the course of cancer treatment, and about 40% of cancers can be cured by radiation therapy. The role and position of radiotherapy in tumor treatment are increasingly prominent, and the radiotherapy has become one of the main means for treating malignant tumors clinically. In the development of new irradiation methods, animal experiments are required to test whether the irradiation method has the effect of increasing the sensitivity of radiotherapy on a living body. Because the living experimental animal is easy to move and not matched, and the radiotherapy irradiation can not be carried out only on the tumor part of the experimental animal, the whole radiotherapy can be carried out only on the experimental animal during the experiment, so that the experimental animal is dead due to the large radiation irradiation amount, and the establishment of the radiotherapy sensitization model has certain difficulty, thereby influencing the experimental result.

Disclosure of Invention

In view of the above, there is a need for a fixing device for radiotherapy of laboratory animals, which is easy to manufacture and convenient to use.

The utility model provides a fixing device for experimental animals radiotherapy, including the bottom sprag board, two supporting shoes, ray separation board, the animal fixed plate, the sealing member, two supporting shoe subtend parallel are fixed to be set up in the bottom sprag board, the fixed top that sets up at two supporting shoes of ray separation board, and ray separation board and bottom sprag board are parallel to each other, set up the ray that is used for the ray to pass through the hole on the ray separation board, the sealing member inserts in the ray sees through the hole, in order to be used for stopping the ray and see through the hole from the ray and pass, the animal fixed plate sets up in the bottom sprag board, and can follow bottom sprag board relative slip, and the.

Preferably, the bottom support plate is fixedly provided with a first connecting column.

Preferably, a second connecting column is fixedly arranged on the ray blocking plate.

Preferably, the two support blocks are provided with positioning connecting holes for inserting the first connecting column and the second connecting column, the positioning connecting holes are formed in two opposite surfaces of the two support blocks, and the size of each positioning connecting hole is matched with that of the first connecting column and that of the second connecting column.

Preferably, a fastening belt for fixing the limbs of the animal is fixedly arranged on the animal fixing plate.

Preferably, the first connecting column, the second connecting column and the positioning connecting hole are arranged at equal intervals.

Preferably, the distance between the two support blocks is 30 cm.

Preferably, the radiation blocking plate is a lead plate and has a thickness of at least 10 cm.

Preferably, the number of the ray transmission holes is at least two, and the ray transmission holes are uniformly distributed on the ray blocking plate.

Preferably, handles are fixedly arranged on two sides of the bottom supporting plate.

The utility model adopts the above technical scheme, its beneficial effect lies in: the utility model comprises a bottom support plate, two support blocks, a ray blocking plate, an animal fixing plate and a sealing element, wherein the two support blocks are oppositely and fixedly arranged on the bottom support plate in parallel, the ray blocking plate is fixedly arranged at the tops of the two support blocks and is parallel to the bottom support plate, a ray penetrating hole for ray to pass through is formed in the ray blocking plate, the sealing element is inserted into the ray penetrating hole to block the ray from passing through the ray penetrating hole, the animal fixing plate is arranged on the bottom support plate and can relatively slide along the bottom support plate, and the animal fixing plate is positioned between the two support plates; the utility model discloses the structure is simple and easy, high durability and convenient use, after having built the device, only need place it in radiotherapy appearance probe below, and set up the ray height, fix the experimental animals on the animal fixed plate, and put the board with the animal is fixed in the bottom sprag board, just take off the sealing member of experimental animals tumour position department with ray transmission hole, make the ray pass through ray transmission hole and carry out radiotherapy to experimental animals tumour department, and other positions of experimental animals can avoid ray radiation, thereby avoided the experimental animals to die because of the ray dosage is too big, the security has been increased.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of another embodiment of the present invention.

Fig. 3 is a schematic structural view of the bottom support plate of the present invention.

Fig. 4 is a schematic structural diagram of two supporting blocks of the present invention.

Fig. 5 is a schematic structural view of the ray blocking plate of the present invention.

Fig. 6 is a schematic structural view of the animal fixing plate of the present invention.

Fig. 7 is a partially enlarged view of a portion a in fig. 2.

In the figure: the device comprises a bottom supporting plate 01, a sliding groove 11, a sliding part 12, a first connecting column 13, two supporting blocks 02, a positioning connecting hole 21, a ray blocking plate 03, a ray transmitting hole 31, a second connecting column 32, an animal fixing plate 04, a fastening belt 41, a connecting screw rod 42, a positioning block 43, a spring 44, an adjusting knob 45, a sealing element 05 and a handle 06.

Detailed Description

Please refer to fig. 1, fig. 3, fig. 4, fig. 5, fig. 6, an embodiment of the present invention provides a fixing device for experimental animal radiotherapy, including bottom support plate 01, two supporting blocks 02, a ray blocking plate 03, an animal fixing plate 04, a sealing member 05, two supporting blocks 02 opposite direction parallel fixed set on the bottom support plate 01, the ray blocking plate 03 fixed set on the top of two supporting blocks 02, and the ray blocking plate 03 and the bottom support plate 01 are parallel to each other, a ray penetration hole 31 for the ray to pass is set on the ray blocking plate 03, the number of the ray penetration hole 31 is at least two, and the uniform distribution is set on the ray blocking plate 03. Seals 05 are inserted into the radiolucent holes 31 for blocking the passage of the rays through the radiolucent holes 31, the number of seals 05 corresponding to the number of radiolucent holes 31; animal fixed plate 04 sets up on bottom sprag board 01 to can follow bottom sprag board 01 relative slip, and animal fixed plate 04 is located between two backup pads, and animal fixed plate 04 is last to be fixed to be provided with the fastening area 41 that is used for fixed animal four limbs, and fastening area 41 can be the tape of pasting similar to the magic subsides. The animal four limbs and the trunk are fixed by the fastening belt 41, the animal fixing plate 04 for fixing the experimental animal is placed on the bottom supporting plate 01, the animal fixing plate 04 is located below the ray blocking plate 03, the ray penetrating hole 31 is just opposite to the sealing element 05 at the tumor position of the experimental animal to be taken down, the tumor part needing to be irradiated by the experimental animal is exposed below the ray penetrating hole 31, the tumor on the body of the experimental animal can be directly irradiated, and the rest rays are blocked and shielded by the sealing element 05 and the ray blocking plate 03, so that the other parts of the body of the animal are prevented from being irradiated by the rays, the death of the experimental animal due to overlarge dosage of the rays is avoided, and the safety is improved.

The bottom support plate 01 is fixedly provided with a first connecting column 13.

The ray blocking plate 03 is fixedly provided with a second connecting column 32.

The two supporting blocks 02 are provided with positioning connecting holes 21 used for inserting the first connecting columns 13 and the second connecting columns 32, the positioning connecting holes 21 are formed in two opposite surfaces of the two supporting blocks 02, and the size of each positioning connecting hole 21 is matched with that of each first connecting column 13 and that of each second connecting column 32.

The first connecting column 13, the second connecting column 32 and the positioning connecting hole 21 are arranged at equal intervals.

The distance between the two support blocks 02 is 30 cm.

The radiation blocking plate 03 is a lead plate and has a thickness of at least 10 cm.

Handles 06 are fixedly arranged on two sides of the bottom support plate 01, so that the carrying by a user is facilitated.

Referring to fig. 2 and 7, in another embodiment, two opposite side surfaces of the bottom supporting plate 01 are provided with sliding grooves 11, sliding members 12 are disposed in the sliding grooves 11, the sliding members 12 can relatively slide along the sliding grooves 11, two opposite side surfaces of the animal fixing plate 04 are fixedly provided with connecting screw rods 42, the connecting screw rods 42 pass through the open holes on the sliding members 12 and are connected with the sliding members 12, the connecting screw rods 42 are fixedly provided with positioning blocks 43, one sides of the positioning blocks 43 far away from the animal fixing plate 04 are provided with springs 44, the springs 44 are sleeved on the connecting screw rods 42, the springs 44 are located between the sliding members 12 and the positioning blocks 43, one sides of the sliding members 12 far away from the positioning blocks 43 are provided with adjusting knobs 45, and the adjusting knobs 45 are in; after the experimental animal is fixed on the animal fixing plate 04, because the tumor-growing part of the experimental animal is not necessarily completely below the ray-transmitting hole 31 formed in the ray-blocking plate 03, we can slide the sliding member 12 to drive the animal fixing plate 04 to slide along the sliding groove 11, so that the animal fixing plate 04 can slide transversely along the sliding groove 11 of the bottom supporting plate 01, thereby realizing transverse adjustment of the animal fixing plate 04, and at the same time, we can also screw the adjusting knob 45 on one side of the animal fixing plate 04, at this time, the spring 44 oppositely arranged on the animal fixing plate 04 is compressed, so that the animal fixing plate 04 can move towards the other side of the bottom supporting plate 01 along the bottom supporting plate 01, thereby realizing longitudinal adjustment of the animal fixing plate 04, and through such transverse and longitudinal adjustment of the animal fixing plate 04, the tumor-growing part of the experimental animal fixed on the animal fixing plate 04 can be opposite to the corresponding ray-blocking plate 03 Through the hole 31.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. A fixing device for experimental animal radiotherapy which characterized in that: including the bottom sprag board, two supporting shoes, ray separation board, the animal fixed plate, the sealing member, two supporting shoe subtend parallel fixed settings are in the bottom sprag board, the fixed top that sets up at two supporting shoes of ray separation board, and ray separation board and bottom sprag board are parallel to each other, set up the ray that is used for the ray to pass through the hole on the ray separation board, the sealing member inserts in the ray penetrates downtheholely, in order to be used for blockking that the ray penetrates the hole from the ray and pass, the animal fixed plate sets up in the bottom sprag board, and can follow bottom sprag board relative slip, and the animal fixed plate is.

2. A fixture for radiotherapy of laboratory animals according to claim 1, characterized in that: and a first connecting column is fixedly arranged on the bottom supporting plate.

3. A fixture for radiotherapy of laboratory animals according to claim 2, characterized in that: and a second connecting column is fixedly arranged on the ray blocking plate.

4. A fixture for radiotherapy of laboratory animals according to claim 3, characterized in that: the two supporting blocks are provided with positioning connecting holes for inserting the first connecting column and the second connecting column, the positioning connecting holes are formed in two opposite surfaces of the two supporting blocks, and the size of each positioning connecting hole is matched with that of the first connecting column and that of the second connecting column.

5. A fixture for radiotherapy of laboratory animals according to claim 4, characterized in that: and a fastening belt for fixing the limbs of the animal is fixedly arranged on the animal fixing plate.

6. A fixture for radiotherapy of laboratory animals according to claim 4, characterized in that: the first connecting column, the second connecting column and the positioning connecting holes are arranged at equal intervals.

7. A fixture for radiotherapy of laboratory animals according to claim 1, characterized in that: the distance between the two support blocks is 30 cm.

8. A fixture for radiotherapy of laboratory animals according to claim 1, characterized in that: the ray blocking plate is a lead plate, and the thickness of the ray blocking plate is at least 10 cm.

9. A fixture for radiotherapy of laboratory animals according to claim 8, characterized in that: the number of the ray transmission holes is at least two, and the ray transmission holes are uniformly distributed on the ray blocking plate.

10. A fixture for radiotherapy of laboratory animals according to claim 1, characterized in that: handles are fixedly arranged on two sides of the bottom supporting plate.