Mouse fixing device for animal PET / CT imaging

By designing an adjustable fixing device for fixing splints and limiting components, the fixing problem of mice in different body types is solved, and the accuracy of PET/CT imaging is improved.

CN223169746UActive Publication Date: 2025-08-01SHANXI MEDICAL UNIV
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Patent Information

Application Number
CN202422099985.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-28
Publication Date
2025-08-01
Estimated Expiration
2034-08-28

AI Technical Summary

Technical Problem

The existing mouse fixation device cannot adapt to mice of different body types, resulting in poor limit fixation effect, affecting the accuracy of PET/CT imaging.

Method used

A fixing device including fixing the clamp and the movable clamp is designed to adjust the position of the movable clamp by adjusting the bolts, and fix the limbs and body of the mouse using limiting components and binding components to adapt to mice of different body types.

Benefits of technology

The spacing of the fixing device is adjusted according to the mouse body shape, ensuring stable fixation of mice, and improving the accuracy of PET/CT imaging.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mouse fixing device for animal PET / CT (positron emission tomography / computed tomography) imaging, which comprises a bottom plate, a fixed clamping plate arranged at the top of the bottom plate, a movable clamping plate arranged on the side of the fixed clamping plate and positioned at the top of the bottom plate, and a limiting component comprising connecting plates symmetrically arranged at the tops of the fixed clamping plate and the movable clamping plate, pressing plates are hinged to the sides of the connecting plates, locking parts are arranged at the tops of the pressing plates, and binding parts are arranged at the tops of the fixed clamping plates and the movable clamping plates; the adjusting assembly comprises an adjusting bolt connected to the side of the bottom plate in a penetrating mode, and a movable part is arranged on the outer side of the adjusting bolt; the movable clamping plate is driven to move by rotating the adjusting bolt, so that the distance between the fixed clamping plate and the movable clamping plate is adjusted, the pressing plate hinged to the connecting plate fixes the four limbs of a mouse through the locking part, the binding part limits the body of the mouse, and the design is convenient for an experimenter to adjust the position of the movable clamping plate according to the body type of the mouse; the fixing device is suitable for fixing mice with various body types.
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Description

Technical Field

[0001] The utility model relates to the field of animal experiment devices, and particularly relates to a mouse fixing device for animal PET / CT imaging. Background Technique

[0002] The fixing device for mouse imaging is a device specifically used for fixing mice in medical and biological research, aiming to keep the mice stable and facilitate precise PET / CT imaging. The existing mouse fixing devices generally use a fixing tray with an arc-shaped groove to place the mouse body, and use straps on the side of the tray to fix the four limbs of the mouse. However, in actual use, the body sizes of mice are different, resulting in the bodies of some mice being unable to be placed in the arc-shaped groove of the fixing tray, so that the arc-shaped groove cannot limit the position of the mouse body, affecting the overall limiting and fixing of the mouse. Therefore, to solve this problem, a new mouse fixing device for animal PET / CT imaging is needed. Content of the Utility Model

[0003] The purpose of the utility model is to provide a mouse fixing device for animal PET / CT imaging to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A mouse fixing device for animal PET / CT imaging, including a bottom plate, a fixing clamp plate is arranged on the top of the bottom plate, and a movable clamp plate is arranged on the side of the fixing clamp plate and on the top of the bottom plate. It further includes:

[0005] A limiting component, the limiting component includes connecting plates symmetrically arranged on the tops of the fixing clamp plate and the movable clamp plate, a pressing plate for fixing the four limbs of the mouse is hinged on the side of the connecting plate, a locking part for fixing the position of the pressing plate is arranged on the top of the pressing plate, and a binding part for fixing the mouse body is arranged on the tops of the fixing clamp plate and the movable clamp plate;

[0006] An adjusting component, the adjusting component is used for adjusting the position of the movable clamp plate, and the adjusting component includes an adjusting bolt inserted and connected to the side of the bottom plate, and a movable part for driving the movable clamp plate to move is arranged on the outer side of the adjusting bolt.

[0007] Preferably, the movable part includes a threaded ring block arranged at the bottom of the movable clamp plate, and a movable groove is opened on the top of the bottom plate, and the threaded ring block is arranged inside the movable groove.

[0008] Preferably, a limiting ring is arranged on the outer side of the adjusting bolt and inside the movable groove, and the limiting ring is used for limiting the position of the adjusting bolt.

[0009] Preferably, the locking part includes a fixing seat arranged on the top of the pressing plate. One end of the fixing seat is hinged with a rotating block, and a fixing ring frame is hinged to the side of the rotating block. A tension-bearing ring for locking the fixing ring frame is arranged on the top of the connecting plate.

[0010] Preferably, a placing groove is formed on the side of the bottom of the pressing plate, and the placing groove is used for inserting and placing the four limbs of the mouse.

[0011] Preferably, the other end of the fixing seat is provided with a clamping strip, and the top of the clamping strip is inserted and connected to the bottom of the rotating block. The clamping strip is used for locking the rotating position of the rotating block.

[0012] Preferably, the bundling part includes an adhesive block arranged on the side of the fixed splint and the movable splint. A magic elastic binding band for fixing the mouse is arranged on the top of the adhesive block.

[0013] The technical effects and advantages of the present utility model:

[0014] In the present utility model, a fixed splint and a movable splint are arranged on the top of the bottom plate. By rotating the adjusting bolt, the movable splint is driven to move, so that the distance between the fixed splint and the movable splint is adjusted according to the body size of the mouse. At the same time, in the limiting component, the pressing plate hinged to the connecting plate fixes the four limbs of the mouse through the locking part, and the bundling part is used for limiting the body of the mouse. This design facilitates the experimenter to adjust the position of the movable splint according to the body size of the mouse to adapt to the fixation of mice with various body sizes. Description of the drawings

[0015] Figure 1 It is a schematic structural diagram of the whole of the present utility model.

[0016] Figure 2 For the present utility model Figure 1 The enlarged structural view of part A in it.

[0017] Figure 3 It is a schematic structural diagram of the locking part of the present utility model.

[0018] Figure 4 It is a sectional view of the adjusting component of the present utility model.

[0019] Figure 5 It is a schematic structural diagram of the pressing plate of the present utility model.

[0020] In the figure: 1. Bottom plate; 101. Activity groove; 2. Fixed splint; 3. Movable splint; 301. Threaded ring block; 4. Adhesive block; 401. Magic elastic binding band; 5. Connecting plate; 6. Pressing plate; 601. Placing groove; 7. Locking part; 701. Fixing seat; 702. Rotating block; 703. Fixing ring frame; 704. Tension-bearing ring; 705. Clamping strip; 8. Adjusting bolt; 801. Limiting ring. Detailed implementation mode

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] The present invention provides a mouse fixing device for animal PET / CT imaging as shown in Figures 1-5 Figure 1, which includes a bottom plate 1. A fixed clamping plate 2 is arranged on the top of the bottom plate 1. A movable clamping plate 3 is arranged on the side of the fixed clamping plate 2 and on the top of the bottom plate 1. It also includes a limiting component and an adjusting component;

[0023] It should be noted that the bottom plate 1, the fixed clamping plate 2 and the movable clamping plate 3 are all made of plastic material, and their joints are bonded with glue;

[0024] Specifically, the adjusting component is used to adjust the position of the movable clamping plate 3. The adjusting component includes an adjusting bolt 8 inserted and connected to the side of the bottom plate 1. An activity part for driving the movable clamping plate 3 to move is arranged on the outer side of the adjusting bolt 8;

[0025] It should be noted that a movable groove 101 is opened on the top of the bottom plate 1. The activity part includes a threaded ring block 301 arranged at the bottom of the movable clamping plate 3, and the threaded ring block 301 is arranged inside the movable groove 101;

[0026] Specifically, the threaded ring block 301 and the movable clamping plate 3 are bonded with glue. The threaded ring block 301 drives the movable clamping plate 3 to move along the movable groove 101 through the rotation of the adjusting bolt 8. A limiting ring 801 is arranged on the outer side of the adjusting bolt 8 and inside the movable groove 101. The limiting ring 801 is used to limit the position of the adjusting bolt 8, and the middle part of the limiting ring 801 is fixedly bonded with the outer side of the adjusting bolt 8.

[0027] Specifically, the limiting component includes connecting plates 5 symmetrically arranged on the tops of the fixed clamping plate 2 and the movable clamping plate 3. A pressing plate 6 for fixing the limbs of the mouse is hinged on the side of the connecting plate 5. A locking part 7 for fixing the position of the pressing plate 6 is arranged on the top of the pressing plate 6. A binding part for fixing the body of the mouse is arranged on the tops of the fixed clamping plate 2 and the movable clamping plate 3;

[0028] It should be noted that the connecting plate 5, the fixed clamping plate 2 and the top of the movable clamping plate 3 are all fixed by glue bonding. The pressing plate 6 and the connecting plate 5 can be connected and rotated by a hinge. The pressing plate 6 is made of rubber material and has flexibility to avoid bruising the limbs of the mouse. A placement groove 601 is opened on the bottom side of the pressing plate 6 for the limbs of the mouse to be inserted and placed.

[0029] Specifically, the locking part 7 includes a fixed seat 701 arranged on the top of the pressing plate 6. One end of the fixed seat 701 is hinged with a rotating block 702. A fixed ring frame 703 is hinged on the side of the rotating block 702. A tension-bearing ring 704 for locking the fixed ring frame 703 is arranged on the top of the connecting plate 5. The other end of the fixed seat 701 is provided with a clamping strip 705. The top of the clamping strip 705 is inserted and connected to the bottom of the rotating block 702. The clamping strip 705 is used to lock the rotating position of the rotating block 702.

[0030] It should be noted that the fixed ring frame 703 can be sleeved on the outer side of the top of the tension-bearing ring 704. The fixed seat 701 and the top of the pressing plate 6 are bonded by glue. The tension-bearing ring 704 and the connecting plate 5 are bonded by glue. The fixed seat 701 and the clamping strip 705 are both made of plastic material. A rectangular through hole for the clamping strip 705 to penetrate is opened on the top of the rotating block 702. A protrusion is arranged on the top of the clamping strip 705, which is convenient for the clamping strip 705 to fix its position with the rotating block 702 by the elasticity of its own material, so as to fix the sleeved state of the fixed ring frame 703 and the tension-bearing ring 704.

[0031] Specifically, the bundling part includes an adhesive block 4 arranged on the side of the fixed clamping plate 2 and the movable clamping plate 3. A magic elastic band 401 for fixing the mouse is arranged on the top of the adhesive block 4. A velcro suede surface is arranged on the top of the adhesive block 4 for the end side of the magic elastic band 401 to be pasted and fixed.

[0032] During the actual use process, by arranging the fixed clamping plate 2 and the movable clamping plate 3 on the top of the bottom plate 1, rotating the adjusting bolt 8 to drive the movable clamping plate 3 to move, so that the distance between the fixed clamping plate 2 and the movable clamping plate 3 is adjusted according to the body size of the mouse. At the same time, the pressing plate 6 hinged with the connecting plate 5 in the limiting component fixes the limbs of the mouse through the locking part 7, and the bundling part is used for limiting the body of the mouse. This design is convenient for the experimenter to adjust the position of the movable clamping plate 3 according to the body size of the mouse to adapt to the fixation of mice with various body sizes.

[0033] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A mouse fixing device for animal PET / CT imaging, comprising a bottom plate (1), a fixing clamping plate (2) is arranged on the top of the bottom plate (1), and a movable clamping plate (3) is arranged on the side of the fixing clamping plate (2) and on the top of the bottom plate (1), characterized in that, It further includes: A limiting component, the limiting component includes connecting plates (5) symmetrically arranged on the tops of the fixed clamping plate (2) and the movable clamping plate (3), a pressing plate (6) for fixing the four limbs of the mouse is hinged to the side of the connecting plate (5), a locking part (7) for fixing the position of the pressing plate (6) is arranged on the top of the pressing plate (6), and a binding part for fixing the body of the mouse is arranged on the tops of the fixed clamping plate (2) and the movable clamping plate (3); An adjusting component, the adjusting component is used for adjusting the position of the movable clamping plate (3), the adjusting component includes an adjusting bolt (8) inserted and connected to the side of the bottom plate (1), and a movable part for driving the movable clamping plate (3) to move is arranged on the outer side of the adjusting bolt (8).

2. The mouse fixing device for animal PET / CT imaging according to claim 1, wherein The movable part includes a threaded ring block (301) arranged at the bottom of the movable clamping plate (3), a movable groove (101) is formed in the top of the bottom plate (1), and the threaded ring block (301) is arranged inside the movable groove (101).

3. The mouse fixing device for animal PET / CT imaging according to claim 2, characterized in that, A limiting ring (801) is arranged on the outer side of the adjusting bolt (8) and inside the movable groove (101), and the limiting ring (801) is used for limiting the position of the adjusting bolt (8).

4. The mouse fixing device for animal PET / CT imaging according to claim 1, characterized in that, The locking part (7) includes a fixed seat (701) arranged on the top of the pressing plate (6), a rotating block (702) is hinged to one end of the fixed seat (701), a fixed ring frame (703) is hinged to the side of the rotating block (702), and a tension-bearing ring (704) for locking the fixed ring frame (703) is arranged on the top of the connecting plate (5).

5. The mouse fixing device for animal PET / CT imaging according to claim 4, wherein A placement groove (601) is formed in the bottom side of the pressing plate (6), and the placement groove (601) is used for the four limbs of the mouse to be inserted and placed.

6. The mouse fixing device for animal PET / CT imaging according to claim 4, characterized in that, A clamping bar (705) is arranged at the other end of the fixed seat (701), the top of the clamping bar (705) is inserted and connected to the bottom of the rotating block (702), and the clamping bar (705) is used for locking the rotating position of the rotating block (702).

7. The mouse fixing device for animal PET / CT imaging according to claim 1, characterized in that, The binding part includes adhesive blocks (4) arranged on the sides of the fixed clamping plate (2) and the movable clamping plate (3), and a magic elastic binding band (401) for fixing the mouse is arranged on the top of the adhesive blocks (4).