CN215841268U

CN215841268U - Mouse radiotherapy test device

Info

Publication number: CN215841268U
Application number: CN202121810346.XU
Authority: CN
Inventors: 唐亚梅; 赵晓慧; 石俊田; 黄江华; 马玉家; 符立人; 刘世杰; 王在瑞; 刘宜敏
Original assignee: Sun Yat Sen Memorial Hospital Sun Yat Sen University
Current assignee: Sun Yat Sen Memorial Hospital Sun Yat Sen University
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-02-18
Anticipated expiration: 2031-08-04

Abstract

The utility model relates to the technical field of operation test devices, and discloses a mouse radiotherapy test device which comprises a rotating seat, a sliding plate and a fixed table; the rotary seat comprises a base and a rotary ring, the rotary ring is rotatably arranged on the base, the rotary ring is provided with a first slide rail extending horizontally, and the surface of the base is provided with a circle of first scale marks along the outer edge of the rotary ring; the sliding plate is arranged on the first sliding rail and slides along the first sliding rail, a plurality of second scale marks are arranged on the sliding plate, and the second scale marks are arranged at intervals along the first sliding rail; be equipped with the position of placing that is used for fixed mouse on the fixed station, be equipped with the second slide rail that the level extends on the fixed station, the extending direction of second slide rail is mutually perpendicular with the extending direction of first slide rail, and the fixed station passes through the second slide rail and installs on the slide, and the fixed station is followed the extending direction of second slide rail slides, is equipped with many third scale marks on the fixed station, and the angle and the horizontal position of mouse on the position can be placed in accurate adjustment at any time along second slide rail interval arrangement to the third scale mark.

Description

Mouse radiotherapy test device

Technical Field

The utility model relates to the technical field of operation test devices, in particular to a mouse radiotherapy test device.

Background

At present, radiotherapy is the main means for treating head and neck tumors, but the incidence rate of radioactive brain injury after radiotherapy is as high as 28.5%, and the radioactive brain injury can cause obvious neuropsychiatric symptoms and even endanger the life of a patient.

The mouse brain-releasing model is an important means for researching brain-releasing mechanism and novel treatment strategy. When adopting medical linear accelerator X sword to carry out stereotactic radiotherapy to mouse brain, need firmly fix the mouse head on the one hand, on the other hand needs to realize a plurality of angle accurate rotations of mouse to the radiotherapy plan design of physicist.

The existing three-dimensional positioning device for the mouse only carries out simple fixation of the head, and lacks functions of accurate rotation and accurate movement to the front and back and left and right, so that the placing position of the three-dimensional positioning device needs to be changed frequently when an experiment is carried out every time, and the stability of the three-dimensional positioning device is influenced.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the existing three-dimensional mouse positioning device cannot accurately rotate and accurately move the mouse forwards, backwards, leftwards and rightwards.

In order to solve the technical problem, the utility model provides a mouse radiotherapy test device, which comprises a rotating seat, a sliding plate and a fixed table; the rotary seat comprises a base and a rotary ring, the rotary ring is rotatably mounted on the base, the rotary ring is provided with a first slide rail extending horizontally, and the surface of the base is provided with a circle of first scale marks along the outer edge of the rotary ring; the sliding plate is arranged on the first sliding rail and slides along the first sliding rail, a plurality of second scale marks are arranged on the sliding plate, and the second scale marks are arranged at intervals along the first sliding rail; the mouse fixing device is characterized in that a placing position for fixing a mouse is arranged on the fixed table, a second slide rail extending horizontally is arranged on the fixed table, the extending direction of the second slide rail is perpendicular to the extending direction of the first slide rail, the fixed table is installed on the slide plate through the second slide rail, the fixed table is arranged along the extending direction of the second slide rail, a plurality of third scale marks are arranged on the fixed table, and the third scale marks are arranged along the second slide rail at intervals.

Furthermore, a pair of fixing mechanisms is arranged on the fixing table, the placing position comprises a head fixing position, the two fixing mechanisms are respectively located on two opposite sides of the head fixing position, and a clamping plate is arranged on one side of the head fixing position, which faces towards the fixing mechanism.

Furthermore, one side of each splint facing the other splint is provided with sponge rubber.

Further, the place still includes the fixed position of somatic part, the fixed position of somatic part is equipped with the protection casing that is used for blockking the radiation, the protection casing lid in the fixed position of somatic part.

Furthermore, a pressing plate is arranged between the protective cover and the body fixing position, one end of the pressing plate is hinged to the protective cover, a bolt is screwed on the protective cover, and one end of the bolt penetrates through the protective cover and abuts against the plate surface of the pressing plate.

Furthermore, a rubber band is arranged on the protective cover, one end of the rubber band is fixed on the protective cover, and the other end of the rubber band is sleeved on one surface, back to the protective cover, of the pressing plate.

Further, be equipped with the third slide rail on the fixed station, the third slide rail is located the fixed position of head is kept away from one side of the fixed position of somatic part, just the third slide rail is towards keeping away from the direction extension of the fixed position of head, be equipped with the slider on the third slide rail, the slider is followed the third slide rail slides, be equipped with the clip that is used for fixed mouse head on the slider.

Furthermore, the middle part of the base and the middle part of the sliding plate are of hollow structures, the base is annular, and the sliding plate is frame-shaped.

Furthermore, the swivel is provided with a through hole, the through hole horizontally penetrates through the swivel, the through hole is the first slide rail, and the frame edge of the slide plate slidably penetrates through the through hole.

Furthermore, the fixing table is provided with a strip-shaped hollow hole, the hollow hole is a second slide rail, the slide plate is fixedly provided with a convex block, the convex block is embedded into the hollow hole, and the fixing table slides on the convex block along the extending direction of the hollow hole.

Compared with the prior art, the mouse radiotherapy test device provided by the embodiment of the utility model has the beneficial effects that: can pivoted swivel through the setting to and mutually perpendicular's first slide rail and second slide rail, make can accurate adjustment at any time place the angle of the mouse on the position and the horizontal position of mouse in addition, satisfy physics teacher's radiotherapy plan design demand, and can be through the direct fixed baseplate in the experiment, just can adjust the position of mouse under the condition that need not dismantle the base, improve the stability of whole device.

Drawings

FIG. 1 is a top view of one embodiment of the present invention;

FIG. 2 is a side view of one embodiment of the present invention;

FIG. 3 is a schematic view of the structure of the shield;

FIG. 4 is a schematic view of the structure of the slide plate;

FIG. 5 is a schematic view of the swivel;

fig. 6 is a schematic structural view of the fixed table.

In the figure, 1, a rotary base; 11. a base; 12. rotating the ring; 13. a first scale mark; 14. a first slide rail; 141. a trench; 2. a slide plate; 21. a second scale mark; 22. a bump; 3. a fixed table; 31. placing bits; 32. a second slide rail; 33. a third scale line; 34. a fixing mechanism; 311. fixing the head; 312. the body part is fixed; 35. a protective cover; 351. a bolt; 352. pressing a plate; 353. a rubber band; 354. a cross bar; 36. a third slide rail; 37. and (4) a clamp.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", etc., used herein to indicate the orientation or positional relationship, are based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1, a mouse radiotherapy testing apparatus according to a preferred embodiment of the present invention comprises a rotating base 1, a sliding plate 2, and a fixing table 3, wherein the rotating base 1 controls rotation of a mouse to be tested, the sliding plate 2 controls horizontal movement of the mouse to be tested, and the fixing table 3 is used for fixing the mouse to be tested.

As shown in fig. 1 and 6, the rotating base 1 includes a base 11 and a swivel 12, the swivel 12 is rotatably installed on the base 11, the swivel 12 is substantially circular ring-shaped, the base 11 is sleeved outside the swivel 12, wherein a contact surface between the base 11 and the swivel 12 is a smooth arc surface, a worker can push the swivel 12 to rotate relative to the base 11, a circle of first scale mark 13 is arranged on the surface of the base 11 along the outer edge of the swivel 12, the first scale mark 13 is an angle line, and when the swivel 12 is rotated, the worker can know how much degree the swivel 12 rotates by observing the first scale mark 13.

As shown in fig. 1 and 5, the swivel 12 is provided with a first slide rail 14 extending horizontally, the slide board 2 is mounted on the first slide rail 14, and a worker can push the slide board 2 to slide on the first slide rail 14. The sliding plate 2 is provided with a plurality of second scale marks 21, the second scale marks 21 are arranged along the first sliding rail 14 at intervals, and the second scale marks 21 are located on the upper surface of the sliding plate 2 and located at the outer edge of the sliding plate 2. When the worker pushes the sliding plate 2 to slide along the first sliding rail 14, the worker can see how much the sliding plate 2 moves relative to the rotary ring 12 by observing the second scale marks 21.

As shown in fig. 1-4, a placing position 31 for fixing a mouse is arranged on the fixed platform 3, a second slide rail 32 extending horizontally is arranged on the fixed platform 3, the extending direction of the second slide rail 32 is perpendicular to the extending direction of the first slide rail 14, the fixed platform 3 is installed on the sliding plate 2 through the second slide rail 32, a worker can push the fixed platform 3, so that the second slide rail 32 slides on the sliding plate 2, and the sliding direction is the extending direction of the second slide rail 32. Because the second slide rail 32 is perpendicular to the first slide rail 14, a rectangular coordinate system can be established on a horizontal plane where the placing position 31 is located, so that the mouse fixed on the placing position 31 can move along the x axis and the y axis. The fixed station 3 is provided with a plurality of third scale marks 33, the third scale marks 33 are arranged along the second slide rail 32 at intervals, and when a worker pushes the fixed station 3 to slide, the worker can know the moving distance of the fixed station 3 relative to the sliding plate 2 by observing the third scale marks 33.

The working process of the utility model is as follows: the base 11 is fixed on a medical linear accelerator X-knife experiment table, a mouse is fixed on the fixed table 3, the accurate position of the mouse for an experiment is calculated according to actual needs, the rotating ring 12 is rotated along a first scale mark 13, so that the angle of the fixed table 3 is adjusted to enable the mouse to reach a target angle, the sliding plate 2 and the fixed table 3 are pushed, the fixed table 3 is translated to the target position, and the mouse can reach the accurate position capable of being used for the experiment. To sum up, the embodiment of the present invention provides a mouse radiotherapy testing apparatus, which is provided with a rotatable swivel 12, and a first slide rail 14 and a second slide rail 32 that are perpendicular to each other, so that the angle of a mouse placed on a position 31 and the horizontal position of the mouse can be precisely adjusted at any time, the requirement of a physicist on radiotherapy plan design can be met, and the position of the mouse can be adjusted without detaching the base 11 by directly fixing the base 11 in an experiment, thereby improving the stability of the whole apparatus.

As shown in fig. 1 to 4, a pair of fixing mechanisms 34 is disposed on the fixing table 3, the placing position 31 includes a head fixing position 311 and a body fixing position 312, the head fixing position 311 is used for placing the head of the mouse to be tested, the body fixing position 312 is used for placing the body of the mouse to be tested, the two fixing mechanisms 34 are respectively disposed on two opposite sides of the head fixing position 311, a clamping plate 341 is disposed on one side of each fixing mechanism 34 facing the head fixing position 311, and after the head of the mouse is placed on the head fixing position 311, two sides of the head of the mouse can be clamped by the two clamping plates 341, so as to fix the head of the mouse and prevent the head of the mouse from moving around in the test. Wherein, the one side of every splint 341 towards another splint 341 is equipped with the sponge, and the sponge can make the head of mouse more comfortable and firm when cliping.

As shown in fig. 1 to 6, the body fixing portion 312 is provided with a protective cover 35 for blocking radiation, the protective cover 35 covers the body fixing portion 312, and the protective cover 35 is a lead glass cover, so that when a mouse is subjected to head radiotherapy, the body of the mouse can be protected and can be fixed. A pressure plate 352 is arranged between the shield 35 and the body fixing portion 312, a cross bar 354 is arranged on the shield 35, the cross bar 354 extends in the horizontal direction, one end of the pressure plate 352 is hinged to the shield 35 through the cross bar 354, the pressure plate 352 can rotate downwards around the cross bar 354, a bolt 351 is screwed to the top end of the shield 35, one end of the bolt 351 penetrates through the shield 35 and abuts against the plate surface of the pressure plate 352, a worker can rotate the bolt 351 to enable the bolt 351 to extend downwards, and the bottom end of the bolt 351 abuts against the plate surface of the pressure plate 352 to enable the pressure plate 352 to rotate downwards. After the body of the mouse is placed in the body fixing position 312, the pressing plate 352 is pressed against the body of the mouse by rotating the bolt 351, so that the body of the mouse is fixed. The protective cover 35 is provided with a rubber band 353, one end of the rubber band 353 is fixed to the protective cover 35, the other end of the rubber band 353 is sleeved on one surface, back to the protective cover 35, of the pressure plate 352, the rubber band 353 is used for applying elasticity to the pressure plate 352 to enable the pressure plate 352 to be tightly attached to the bottom end of the bolt 351, and when the bolt 351 is rotated to enable the bolt 351 to move upwards, the pressure plate 352 can be turned upwards along with the bolt 351. Wherein the bolts 351 and the pressure plate 352 are both made of ABS plastic.

As shown in fig. 1, 2 and 6, a third slide rail 36 is disposed on the fixed table 3, the third slide rail 36 is located on a side of the head fixing portion 311 away from the body fixing portion 312, the third slide rail 36 extends in a direction away from the head fixing portion 311, a slide block is disposed on the third slide rail 36, the slide block slides along the third slide rail 36, and a clip 37 for fixing the head of a mouse is disposed on the slide block.

As shown in fig. 1 to 4, the middle portions of the base 11 and the sliding plate 2 are hollow structures, so that radiation can pass through the base 11 and the sliding plate 2 when a mouse is subjected to radiotherapy, wherein the base 11 is annular, and the sliding plate 2 is frame-shaped. The swivel 12 is provided with a through hole, the through hole horizontally penetrates through the swivel 12, the through hole is the first slide rail 14, the frame edge of the sliding plate 2 slidably penetrates through the through hole, and the through hole can limit the sliding direction of the sliding plate 2 and also limit the sliding plate 2 from falling off from the swivel 12. The swivel 12 includes a circular bottom ring and a connecting block, the bottom ring is provided with four grooves 141, the grooves 141 are used for placing the frame of the sliding plate 2, the connecting block is fixed on the grooves 141, and the connecting block and the grooves 141 enclose the through hole. The fixing table 3 is provided with a long strip-shaped hollow hole, the hollow hole is a second slide rail 32, a convex block 22 is fixedly arranged on the slide plate 2, the convex block 22 is embedded into the hollow hole, the fixing table 3 slides on the convex block 22 along the extending direction of the hollow hole, the sliding range of the fixing table 3 is the length range of the hollow hole, and the convex block 22 can limit the fixing table 3 to be separated from the slide plate 2.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A mouse radiotherapy test device is characterized by comprising:

the rotary seat comprises a base and a rotary ring, the rotary ring is rotatably mounted on the base, the rotary ring is provided with a first slide rail extending horizontally, and the surface of the base is provided with a circle of first scale marks along the outer edge of the rotary ring;

the sliding plate is arranged on the first sliding rail and slides along the first sliding rail, a plurality of second scale marks are arranged on the sliding plate, and the second scale marks are arranged at intervals along the first sliding rail; and

the fixed station, be equipped with the position of placing that is used for fixed mouse on the fixed station, be equipped with the second slide rail that the level extends on the fixed station, the extending direction of second slide rail with the extending direction of first slide rail is mutually perpendicular, the fixed station pass through the second slide rail install in on the slide, the fixed station is followed the extending direction of second slide rail slides, be equipped with many third scale marks on the fixed station, the third scale mark is followed second slide rail interval arrangement.

2. The mouse radiotherapy test device of claim 1, wherein: the fixing table is provided with a pair of fixing mechanisms, the placing position comprises a head fixing position, the two fixing mechanisms are respectively located on two opposite sides of the head fixing position, and the fixing mechanisms face towards one side of the head fixing position and are provided with clamping plates.

3. The mouse radiotherapy test device of claim 2, wherein: one surface of each splint facing to the other splint is provided with sponge rubber.

4. The mouse radiotherapy test device of claim 2, wherein: the placing position further comprises a body fixing position, the body fixing position is provided with a protective cover used for blocking radiation, and the protective cover covers the body fixing position.

5. The mouse radiotherapy test device of claim 4, wherein: the protective cover and the body fixing position are provided with a pressing plate, one end of the pressing plate is hinged to the protective cover, a bolt is screwed on the protective cover, and one end of the bolt penetrates through the protective cover and abuts against the plate surface of the pressing plate.

6. The mouse radiotherapy test device of claim 5, wherein: the protective cover is provided with a rubber band, one end of the rubber band is fixed on the protective cover, and the other end of the rubber band is sleeved on one surface, back to the protective cover, of the pressing plate.

7. The mouse radiotherapy test device of claim 4, wherein: the mouse fixing device is characterized in that a third sliding rail is arranged on the fixing table, the third sliding rail is located at the head fixing position and is far away from one side of the body fixing position, the third sliding rail extends towards the direction of the head fixing position, a sliding block is arranged on the third sliding rail and is arranged along the third sliding rail in a sliding mode, and a clamp used for fixing the head of a mouse is arranged on the sliding block.

8. The mouse radiotherapy test device of claim 1, wherein: the middle part of base and the middle part of slide is hollow out construction, just the base is cyclic annular, the slide is the frame form.

9. The mouse radiotherapy test device of claim 8, wherein: the rotating ring is provided with a through hole, the through hole horizontally penetrates through the rotating ring, the through hole is the first sliding rail, and the frame edge of the sliding plate can slidably penetrate through the through hole.

10. The mouse radiotherapy test device of claim 1, wherein: the fixing table is provided with a strip-shaped hollow hole, the hollow hole is a second slide rail, a convex block is fixedly arranged on the slide plate and is embedded into the hollow hole, and the fixing table slides on the convex block along the extending direction of the hollow hole.