Experimental animal full-thickness skin injury modeling device capable of adjusting wound size

Abstract

The utility model relates to the technical field of full-thickness skin injury modeling devices, and discloses an experimental animal full-thickness skin injury modeling device capable of adjusting the wound size. By arranging the supporting device, the base, the supporting plate, the stand column and other structural components, the experimental animal can be supported through the supporting device, the skin of the experimental animal can be cut through the cutting device, the supporting plate can drive the experimental animal to ascend or descend upwards or downwards through the lifting assembly, and the experimental animal can be fixed through the two fixing assemblies. The experimental animal can be fixed to the top of the supporting plate, the cutting range of the cutting knife can be adjusted through the adjusting assembly, the number of the cutting devices can be increased through the multiple threaded holes, and the effect that the wound size of the cutting knife on the skin of the experimental animal can be adjusted is achieved; the problems that the size of a notch of the full-thickness skin of an experimental animal cannot be precisely made consistent, and the cutting effect is easily affected if the hand is not stable enough in the cutting process are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of full-thickness skin injury modeling devices, in particular to a full-thickness skin injury modeling device for experimental animals with adjustable wound size. Background Art

[0002] The full-thickness skin injury model for experimental animals is an experimental device used to create full-thickness incisions or wounds on the skin of experimental animals to simulate real skin injuries, study the wound healing process, test the effectiveness of different treatments, and explore the biological mechanisms of wound healing.

[0003] In order to study the wound healing process, test the effectiveness of different treatments, and explore the biological mechanisms of wound healing, it is necessary to make full-thickness incisions or wounds on the skin of experimental animals. By using such simulators, researchers can better understand the wound healing process, evaluate new treatments, and promote the progress of medical research. When making full-thickness incisions on the skin of experimental animals, they are often made manually with a cutting knife. The incisions are not accurate, and the size of each incision cannot be made consistent, which will affect the test results. The problems with the above technology are: it is not possible to accurately make the incision size of the full-thickness skin of the experimental animal consistent, and if the hands are not stable enough during the cutting process, it is easy to affect the cutting effect. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a full-thickness skin injury modeling device for experimental animals with adjustable wound size, which can overcome the above problems or at least partially solve the above problems.

[0005] The utility model is implemented as follows: a full-thickness skin injury modeler for experimental animals with adjustable wound size, comprising a supporting device and a cutting device, wherein the supporting device comprises a base, a supporting plate, two upright posts and a connecting plate, wherein the supporting plate is located at the top of the base, the bottoms of the two upright posts are respectively fixedly connected to the front side and the rear side of the left side of the top of the base, the left side of the connecting plate is fixedly connected to the top of the right side of the two upright posts, the cutting device comprises a control block, a moving block, a cutting knife and two scales, the surface of the moving block is slidably connected to the inside of the control block, the top of the cutting knife is plug-connected to the bottom inside the moving block and can be fixedly connected by bolts, and the opposite ends of the two scales are respectively fixedly connected to the front side and the rear side of the control block;

[0006] The supporting device is used to support the experimental animal;

[0007] The cutting device is used for cutting the skin of experimental animals.

[0008] In order to be able to fix the experimental animal and adjust the cutting size, preferably, a lifting component is provided inside the base, fixing components are provided on the left and right sides of the support plate surface, heat dissipation holes are provided on both sides of the front side of the base, and an adjusting component is provided on the top of the control block. Through the lifting component, the support plate can drive the experimental animal to move up and down, and through the two fixing components, the experimental animal can be fixed on the top of the support plate. Through the adjusting component, the size of the cut on the experimental animal can be adjusted as needed.

[0009] In order to facilitate the cutting of the experimental animals by the cutting knife, preferably, the lifting assembly includes a cavity and four lifting columns, the cavity is opened inside the base, the bottoms of the four lifting columns are fixedly connected to the bottom of the inner wall of the cavity, the tops of the output ends of the four lifting columns pass through the base, and are fixedly connected to the bottom of the support plate, and the four lifting columns are operated through the lifting assembly, so that the output ends of the four lifting columns drive the support plate to move upward or downward, thereby causing the support plate to drive the experimental animal to move upward or downward.

[0010] In order to fix the experimental animals, preferably, the fixing assembly on the left side includes a first fixing block, an elastic rope and a second fixing block, the rear side of the first fixing block is fixedly connected to the front side of the support plate, the front side of the elastic rope is fixedly connected to the top of the first fixing block, the front side of the second fixing block is fixedly connected to the rear side of the support plate, the rear side of the elastic rope and the top of the second fixing block can be connected by Velcro, and after the experimental animal is placed on the top of the support plate through the fixing assembly, the top of the experimental animal is covered with the elastic rope, and then fixed to the second fixing block by Velcro.

[0011] In order to adjust the cutting size as needed, preferably, the adjusting assembly includes a clamping block, a screw, a movable block and a U-shaped block, the bottom of the clamping block is fixedly connected to the left side of the top of the control block, the surface of the screw is connected to the internal thread of the clamping block, the bottom of the movable block is fixedly connected to the top of the U-shaped block, the interior of the U-shaped block is slidably connected to the surface of the control block, the right side of the screw passes through the movable block and is movably connected to the left side of the interior of the movable block, the aperture inside the movable block is larger than the diameter of the screw, and through the adjusting assembly, the screw is turned to drive the movable block and the U-shaped block to move to the left or right, thereby limiting the moving range of the cutting knife.

[0012] In order to make the cutting knife and the moving block move only horizontally to the left or right, preferably, the front and rear sides of the moving block are fixedly connected to limit blocks, and the surfaces of the two limit blocks are slidingly connected to the front and rear sides of the control block respectively. Through the two limit blocks, the moving range of the moving block and the cutting knife is limited to avoid misalignment of the moving block and the cutting knife, thereby controlling the moving range of the moving block and the cutting knife.

[0013] In order to be able to install multiple cutting devices as needed, preferably, the left sides of the front and rear sides of the control block are fixedly connected with mounting blocks, the right side inside the connecting plate is provided with multiple threaded holes and evenly distributed, the left sides of the two mounting blocks can be fixedly connected to the right side of the connecting plate by bolts, and the control block can be fixed to the connecting plate through the two mounting blocks and the multiple threaded holes, and by installing multiple cutting devices, wounds of the same size can be cut on the skin of experimental animals at the same time.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The utility model is provided with structural components such as a support device, a base, a support plate, a column, a connecting plate, a cutting device, a control block and a moving block. The support device can support the experimental animal, and the cutting device can cut the skin of the experimental animal. The lifting component can make the support plate drive the experimental animal to move up or down, and the experimental animal can be fixed on the top of the support plate through two fixing components. The cutting range of the cutting knife can be adjusted through the adjustment component, and the number of cutting devices can be increased through multiple threaded holes, thereby achieving the effect of being able to adjust the size of the wound caused by the cutting knife to the skin of the experimental animal. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of a three-dimensional structure provided by an embodiment of the utility model;

[0017] Figure 2 The utility model embodiment provides Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 It is a three-dimensional structural diagram of a cutting device provided by an embodiment of the utility model;

[0019] Figure 4 It is a three-dimensional structural diagram of the adjustment component provided by the embodiment of the utility model;

[0020] Figure 5 It is a three-dimensional structural diagram of a lifting assembly provided by an embodiment of the utility model;

[0021] Figure 6 It is a three-dimensional structural diagram of a fixing assembly provided in an embodiment of the utility model.

[0022] In the figure: 1. supporting device; 1a. base; 1b. supporting plate; 1c. column; 1d. connecting plate; 2. cutting device; 2a. control block; 2b. moving block; 2c. cutting knife; 2d. scale; 3. lifting assembly; 301. cavity; 302. lifting column; 4. fixing assembly; 401. first fixing block; 402. elastic rope; 403. second fixing block; 5. heat dissipation hole; 6. adjusting assembly; 601. clamping block; 602. screw; 603. movable block; 604. U-shaped block; 7. limit block; 8. mounting block; 9. threaded hole. DETAILED DESCRIPTION

[0023] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0024] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0025] like Figures 1 to 6As shown, an experimental animal full-thickness skin injury modeler with adjustable wound size provided by an embodiment of the utility model comprises a supporting device 1 and a cutting device 2, wherein the supporting device 1 comprises a base 1a, a supporting plate 1b, two upright posts 1c and a connecting plate 1d, wherein the supporting plate 1b is located at the top of the base 1a, the bottoms of the two upright posts 1c are respectively fixedly connected to the front side and the rear side of the left side of the top of the base 1a, the left side of the connecting plate 1d is fixedly connected to the top of the right side of the two upright posts 1c, the cutting device 2 comprises a control block 2a, a moving block 2b, a cutting knife 2c and two scales 2d, the surface of the moving block 2b is slidably connected to the inside of the control block 2a, the top of the cutting knife 2c is plug-connected to the bottom inside the moving block 2b and can be fixedly connected by bolts, and the two scales 2d The opposite ends are respectively fixedly connected to the front and rear sides of the control block 2a; the supporting device 1 is used to support the experimental animal; the cutting device 2 is used to cut the skin of the experimental animal. In order to fix the experimental animal and adjust the cutting size, a lifting component 3 is arranged inside the base 1a, and fixing components 4 are arranged on the left and right sides of the surface of the support plate 1b. Heat dissipation holes 5 are opened on both sides of the front side of the base 1a. An adjusting component 6 is arranged on the top of the control block 2a. Through the lifting component 3, the support plate 1b can drive the experimental animal to rise and fall. Through the two fixing components 4, the experimental animal can be fixed on the top of the support plate 1b. Through the adjusting component 6, the size of the cut on the experimental animal can be adjusted according to the needs. In order to facilitate cutting The cutting knife 2c cuts the experimental animal. The lifting component 3 includes a cavity 301 and four lifting columns 302. The cavity 301 is opened inside the base 1a. The bottoms of the four lifting columns 302 are fixedly connected to the bottom of the inner wall of the cavity 301. The tops of the output ends of the four lifting columns 302 penetrate the base 1a and are fixedly connected to the bottom of the support plate 1b. Through the lifting component 3, the four lifting columns 302 are operated so that the output ends of the four lifting columns 302 drive the support plate 1b to move upward or downward, so that the support plate 1b drives the experimental animal to move upward or downward. In order to fix the experimental animal, the left fixing component 4 includes a first fixing block 401, an elastic rope 402 and a second fixing block 403. The rear side of the first fixing block 401 is connected to the support plate 1b, the front side of the elastic rope 402 is fixedly connected to the top of the first fixed block 401, the front side of the second fixed block 403 is fixedly connected to the rear side of the support plate 1b, the rear side of the elastic rope 402 and the top of the second fixed block 403 can be connected by Velcro, and after the experimental animal is placed on the top of the support plate 1b, the top of the experimental animal is covered by the elastic rope 402, and then fixed to the second fixed block 403 by Velcro. In order to adjust the cutting size as needed, the adjustment component 6 includes a clamping block 601, a screw rod 602, a movable block 603 and a U-shaped block 604. The bottom of the clamping block 601 is fixedly connected to the left side of the top of the control block 2a, and the surface of the screw rod 602 is connected to the internal thread of the clamping block 601.The bottom of the movable block 603 is fixedly connected to the top of the U-shaped block 604, the interior of the U-shaped block 604 is slidably connected to the surface of the control block 2a, the right side of the screw 602 passes through the movable block 2b, and is movably connected to the left side of the movable block 603, the aperture inside the movable block 2b is larger than the diameter of the screw 602, and the screw 602 is turned by adjusting the component 6 to drive the movable block 603 and the U-shaped block 604 to move to the left or right, thereby limiting the movement range of the cutting knife 2c. In order to make the cutting knife 2c and the movable block 2b move only to the left or right horizontally, the front and rear sides of the movable block 2b are fixedly connected to the limiting blocks 7, and the surfaces of the two limiting blocks 7 are respectively slidably connected to the front and rear sides of the control block 2a. Two limit blocks 7 limit the moving range of the moving block 2b and the cutting knife 2c, avoid the moving dislocation of the moving block 2b and the cutting knife 2c, and control the moving range of the moving block 2b and the cutting knife 2c. In order to install multiple cutting devices 2 as needed, the left sides of the front and rear sides of the control block 2a are fixedly connected with mounting blocks 8. The right side of the connecting plate 1d is provided with multiple threaded holes 9 and evenly distributed. The left sides of the two mounting blocks 8 can be fixedly connected to the right side of the connecting plate 1d by bolts. Through the two mounting blocks 8 and multiple threaded holes 9, the control block 2a can be fixed to the connecting plate 1d through the two mounting blocks 8. By installing multiple cutting devices 2, wounds of the same size can be cut on the skin of experimental animals at the same time.

[0026] The working principle of this utility model:

[0027] When it is necessary to perform skin wound on the experimental animal, the experimental animal is placed on the top of the support plate 1b, and then the elastic rope 402 covers the experimental animal and fixes it with the second fixed block 403 by Velcro, and the four lifting columns 302 are operated so that the output ends of the four lifting columns 302 drive the support plate 1b to move upward or downward, so as to move the experimental animal upward or downward. When it is necessary to adjust the wound size, the screw 602 is turned to move to the left and the movable block 603 and the U-shaped block 604 are moved to the left. The moving range of the U-shaped block 604 is adjusted according to the scale 2d, so that the U-shaped block 604 limits the moving range of the movable block 2b, thereby limiting the cutting range of the cutting knife 2c, and achieving skin cutting of the experimental animal.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] The above description is only a preferred embodiment of the utility model, and does not constitute any form of limitation to the utility model. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent will not depart from the scope of the technical solution of the utility model.

Claims

1. A full-thickness skin injury modeler for experimental animals with adjustable wound size, comprising a supporting device (1) and a cutting device (2), characterized in that: The support device (1) comprises a base (1a), a support plate (1b), two columns (1c) and a connecting plate (1d), wherein the support plate (1b) is located at the top of the base (1a), the bottoms of the two columns (1c) are respectively fixedly connected to the front side and the rear side of the left side of the top of the base (1a), the left side of the connecting plate (1d) is fixedly connected to the top of the right side of the two columns (1c), and the cutting device (2) comprises a control block (2a), a moving block (2b), a cutting knife (2c) and two scales (2d), the surface of the moving block (2b) is slidably connected to the inside of the control block (2a), the top of the cutting knife (2c) is plug-connected to the bottom inside the moving block (2b) and can be fixedly connected by bolts, and the opposite ends of the two scales (2d) are respectively fixedly connected to the front side and the rear side of the control block (2a); The supporting device (1) is used to support experimental animals; The cutting device (2) is used for cutting the skin of experimental animals.

2. The full-thickness skin injury modeler for experimental animals with adjustable wound size as claimed in claim 1, characterized in that: A lifting assembly (3) is arranged inside the base (1a), fixing assemblies (4) are arranged on the left and right sides of the surface of the support plate (1b), heat dissipation holes (5) are arranged on both sides of the front side of the base (1a), and an adjustment assembly (6) is arranged on the top of the control block (2a).

3. The full-thickness skin injury modeler for experimental animals with adjustable wound size as claimed in claim 2, characterized in that: The lifting assembly (3) comprises a cavity (301) and four lifting columns (302); the cavity (301) is opened inside the base (1a); the bottoms of the four lifting columns (302) are fixedly connected to the bottom of the inner wall of the cavity (301); the tops of the output ends of the four lifting columns (302) pass through the base (1a) and are fixedly connected to the bottom of the support plate (1b).

4. The full-thickness skin injury modeler for experimental animals with adjustable wound size as claimed in claim 2, characterized in that: The fixing assembly (4) on the left side comprises a first fixing block (401), an elastic rope (402) and a second fixing block (403); the rear side of the first fixing block (401) is fixedly connected to the front side of the support plate (1b); the front side of the elastic rope (402) is fixedly connected to the top of the first fixing block (401); the front side of the second fixing block (403) is fixedly connected to the rear side of the support plate (1b); and the rear side of the elastic rope (402) and the top of the second fixing block (403) can be connected via Velcro.

5. The full-thickness skin injury modeler for experimental animals with adjustable wound size as claimed in claim 2, characterized in that: The adjustment assembly (6) comprises a clamping block (601), a screw rod (602), a movable block (603) and a U-shaped block (604); the bottom of the clamping block (601) is fixedly connected to the left side of the top of the control block (2a); the surface of the screw rod (602) is threadedly connected to the inside of the clamping block (601); the bottom of the movable block (603) is fixedly connected to the top of the U-shaped block (604); the inside of the U-shaped block (604) is slidably connected to the surface of the control block (2a); the right side of the screw rod (602) passes through the movable block (2b) and is movably connected to the left side of the inside of the movable block (603); and the hole diameter inside the movable block (2b) is larger than the diameter of the screw rod (602).

6. The full-thickness skin injury modeler for experimental animals with adjustable wound size as claimed in claim 1, characterized in that: The front and rear sides of the moving block (2b) are fixedly connected to the limiting blocks (7), and the surfaces of the two limiting blocks (7) are respectively slidably connected to the front and rear sides inside the control block (2a).

Images