Auxiliary template for skin injury area measurement
By designing a motor-driven positioning and adjustment mechanism, the problem of inaccurate positioning of the mouse skin lesion area measurement template in the existing technology was solved, realizing accurate measurement and flexible adaptation of the skin lesion area, and improving the reliability of drug efficacy evaluation.
Patent Information
- Application Number
- CN202422988710.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-05
AI Technical Summary
Existing auxiliary templates for measuring skin lesion area cannot accurately locate the site of skin lesion in mice, resulting in inaccurate measurement results and affecting the reliability of drug efficacy assessment.
An auxiliary template for measuring the area of skin lesions was designed, employing a motor-driven positioning and adjustment mechanism, including a sliding plate, a positioning plate, a connecting block, and Velcro, to ensure that the template can be accurately positioned and adapted to skin lesions of mice of different sizes and shapes.
It enables precise localization and measurement of skin lesions in mice, improving the accuracy and flexibility of measurements, adapting to differences in body size among individuals, and ensuring the scientific rigor of drug efficacy evaluation.
Smart Images

Figure CN223695876U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical experiment technical field especially relates to skin damage area measurement auxiliary template. BACKGROUND
[0002] In the experiment of researching the drug related to skin damage, the skin damage area of the mouse needs to be measured accurately to evaluate the drug efficacy. For example, when testing the effect of a new skin repair gel on the recovery of the burn area of the mouse, the auxiliary template is used to accurately record the change of the damage area before and after the drug is given, so as to scientifically judge whether the drug can effectively promote skin regeneration
[0003] Some skin damage area measurement auxiliary templates in the prior art use special small metal or plastic fixing clips to fix the limbs of the mouse at specific positions of the experimental platform or the measuring device. These fixing clips usually have adjustable opening size and fastening degree to adapt to the limbs of mice of different sizes.
[0004] However, in the specific use process, if the mouse cannot be positioned accurately, the measurement auxiliary template is difficult to be placed accurately at the damage site, which may cause deviation in the measured area. For example, the undamaged skin area may be included in the measurement range, or part of the damaged area may be missed, so that the recorded damage area is larger or smaller than the actual one. In the drug efficacy evaluation experiment, such inaccurate measurement may incorrectly judge the effect of the drug on skin damage repair, affecting the reliability of the experimental results. Therefore, in view of the above problems, the skin damage area measurement auxiliary template is proposed. UTILITY MODEL CONTENT
[0005] In order to make up for the above shortcomings, the utility model provides a skin damage area measurement auxiliary template, which aims at improving the problem that some devices in the prior art cannot position the mouse.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] The skin damage area measurement auxiliary template comprises an auxiliary template body, support columns fixedly connected to the top corners of the auxiliary template body, a top plate fixedly connected to the top of the support column, a positioning mechanism fixedly connected to the top of the top plate, a limiting assembly arranged outside the positioning mechanism, and an adjusting mechanism arranged outside the positioning mechanism.
[0008] The positioning mechanism comprises a handle, a support plate fixedly connected to the side close to the handle, a motor fixedly connected to the top of the support plate, a connecting shaft fixedly connected to the driving end of the motor, a rotating plate fixedly connected to the outside of the connecting shaft, a connecting plate rotatably connected to the outside of the rotating plate, a sliding plate rotatably connected to the outside of the connecting plate, and the handle is fixedly connected to the outside of the top plate.
[0009] As a further description of the above technical solution:
[0010] The limiting assembly comprises a sliding groove, an engaging block is slidably connected in the sliding groove, the engaging block is fixedly connected to the outside of the sliding plate, and the sliding groove is arranged on the outside of the top plate;
[0011] As a further description of the above technical solution:
[0012] The adjusting mechanism comprises a connecting plate, a positioning plate is slidably connected to the connecting plate, a plurality of fixing frames are fixedly connected to the outside of the positioning plate, an engaging shaft is fixedly connected in the fixing frame, a rotating clamping plate is rotatably connected to the outside of the engaging shaft, and the connecting plate is fixedly connected to the outside of the sliding plate;
[0013] As a further description of the above technical solution:
[0014] A fixing rod is fixedly connected in the connecting plate, and a spring is sleeved on the outside of the fixing rod;
[0015] As a further description of the above technical solution:
[0016] A plurality of engaging frames are fixedly connected to the front side of the outside of the auxiliary template body, and a magic tape is fixedly connected to the outside of the engaging frame;
[0017] As a further description of the above technical solution:
[0018] The rotating plate is rotatably connected to the outside of the top plate, and the engaging plate is rotatably connected to the outside of the top plate;
[0019] As a further description of the above technical solution:
[0020] A plurality of clamping grooves are arranged on the outside of the connecting plate, and the outside of the rotating clamping plate is clamped in the clamping groove;
[0021] As a further description of the above technical solution:
[0022] One end of the spring is fixedly connected to the inside of the connecting plate, and the other end of the spring is fixedly connected to the outside of the positioning plate.
[0023] The utility model has the advantages of the following:
[0024] 1、The utility model discloses a motor is the power source, drives connecting shaft and rotating plate, makes rotating plate drive engaging plate and rotate, and then drives sliding plate and moves, when sliding plate moves, make engaging block can slide in the inside of sliding groove, then can make sliding plate can stably slide in the inside of sliding groove, ensure the accuracy of positioning, through suitable positioning method, can place the measurement auxiliary template accurately in the white rat skin damage part.
[0025] 2. The utility model discloses, adjusting mechanism is through pressing rotation clamping plate, makes rotation clamping plate from the inside of card slot and carries out the separation, makes the positioning plate can extrude spring, and then according to the shape and size of injury adjustment positioning plate's position, the individual difference of white mouse exists on the body size. The template is better to the body of different size white mouse through the adjustment of the measurement auxiliary template device. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 It is the three-dimensional schematic view of the skin injury area measurement auxiliary template that the utility model provides;
[0027] Figure 2 It is the structure schematic view of the link plate of the skin injury area measurement auxiliary template that the utility model provides;
[0028] Figure 3 It is Figure 2 The enlarged view of A in the middle;
[0029] Figure 4 It is the structure schematic view of the motor of the skin injury area measurement auxiliary template that the utility model provides.
[0030] LEGEND:
[0031] 1, auxiliary template body, 2, support column, 3, top plate, 4, handle, 5, support plate, 6, motor, 7, connecting shaft, 8, rotation plate, 9, link plate, 10, sliding plate, 11, connecting plate, 12, positioning plate, 13, fixed frame, 14, link axle, 15, rotation clamping plate, 16, card slot, 17, fixed rod, 18, spring, 19, link block, 20, link frame, 21, magic tape, 22, sliding slot. DETAILED DESCRIPTION
[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.
[0033] Refer to Figures 1 to 3, skin damage area measurement auxiliary template, including auxiliary template body 1, auxiliary template body 1 as the core basis of the whole measurement auxiliary system, its material is usually selected from medical grade plastic materials such as polycarbonate or acrylic which has no irritation to rat skin and good transparency.Polycarbonate material has high strength, high toughness and excellent dimensional stability, which can keep the shape unchanged during frequent use, the top four corners of auxiliary template body 1 are fixedly connected with support column 2, the height of support column 2 is carefully designed, generally between 3cm and 8cm, the height can provide sufficient space for top plate 3 and the positioning mechanism above it, to ensure that the components do not interfere with each other during operation, while the whole template keeps compact structure, which is convenient for operation in limited experimental space.The top of support column 2 is fixedly connected with top plate 3, the top of top plate 3 is fixedly connected with positioning mechanism, and positioning mechanism is the core driving part of precise positioning and measurement of rat skin damage site.The top of top plate 3 is fixedly connected with positioning mechanism, and the outside of positioning mechanism is provided with limiting assembly, which can effectively limit the movement range of sliding plate 10, to ensure that it does not exceed the predetermined area during measurement, and improve the accuracy and stability of measurement;
[0034] The limiting assembly includes sliding groove 22, which is the track for sliding of connecting block 19, and the material thereof is generally selected from metal or high-strength plastic, such as aluminum alloy or polyformaldehyde.Aluminum alloy sliding groove has the advantages of light weight, high strength and good wear resistance, connecting block 19 is slidably connected in the inside of sliding groove 22, and the shape of connecting block 19 is generally designed as square or cylindrical, and the size thereof is accurately designed according to the specification of sliding groove 22, and the inside wall of sliding groove 22 is matched with connecting block 19 in high-precision gap, and the gap is generally between 0.1mm and 0.3mm, to ensure smooth sliding without jamming.The outside of connecting block 19 is fixedly connected to the outside of sliding plate 10, the outside of sliding groove 22 is opened in the outside of top plate 3, and the outside of positioning mechanism is provided with adjusting mechanism, which can adjust the position of positioning plate 12, to adapt to the measurement requirements of rat skin damage sites with different shapes and sizes;
[0035] The adjusting mechanism includes connecting plate 11, which is a key component for connecting sliding plate 10 and positioning plate 12, and the material thereof is generally selected from metal plate or plastic plate, such as aluminum alloy plate or polycarbonate plate.Connecting plate 11 is slidably connected with positioning plate 12, and positioning plate 12 is a key component which directly contacts with the edge of rat skin damage site and marks or measures, and the material thereof is generally selected from plastic or metal sheet which has no irritation to rat skin and has certain hardness and smoothness, such as polyethylene sheet or stainless steel sheet.Positioning plate 12 is fixedly connected with a plurality of fixing frames 13 on the outside, fixing frame 13 is fixedly connected with connecting shaft 14 in the inside, connecting shaft 14 is rotatably connected with rotating clamping plate 15 on the outside, and connecting plate 11 is fixedly connected to the outside of sliding plate 10;
[0036] The positioning mechanism includes a handle 4, which is the direct contact component for the experimenter to operate the positioning mechanism, and is generally made of rubber or soft plastic with good anti-skid performance and ergonomic design. The proximal side of the two handles 4 is fixedly connected with a support plate 5, which serves as a solid foundation platform for supporting the motor 6 and its related components, and is generally made of high-strength metal plate material such as aluminum alloy plate or stainless steel plate. The aluminum alloy plate has the advantages of relatively light weight, high strength, and good machining performance, which can reduce the weight of the entire positioning mechanism while meeting the support requirements. The top of the support plate 5 is fixedly connected with the motor 6, which serves as the power source of the positioning mechanism. The type of motor 6 is usually selected as a direct current motor 6 or a stepping motor 6 according to the experimental requirements and precision requirements. The direct current motor has the characteristics of wide speed regulation range, smooth operation, and large starting torque, which is suitable for experimental scenarios with high requirements for positioning speed and flexibility. The driving end of the motor 6 is fixedly connected with a connecting shaft 7, which is a key component for transmitting the power of the motor 6. The material of the connecting shaft 7 is generally selected from high-strength alloy steel such as chromium-molybdenum alloy steel or nickel-chromium alloy steel;
[0037] This material has extremely high strength, toughness and wear resistance, and can withstand various complex stresses generated during the operation of the positioning mechanism, such as torque, bending force and impact force, etc. The outer part of the connecting shaft 7 is fixedly connected with a rotating plate 8, which is a key transmission component for rotating under the drive of the motor 6 and driving the movement of the connecting plate 9. The material of the rotating plate 8 is generally selected from metal plate material such as aluminum alloy plate or stainless steel plate. The aluminum alloy plate has the advantages of light weight, high strength, and good machining performance. The outer part of the rotating plate 8 is rotatably connected with the connecting plate 9, which is an important transmission link connecting the rotating plate 8 and the sliding plate 10. The material of the connecting plate 9 is generally selected from metal rods or high-strength plastic rods, such as stainless steel rods or carbon fiber reinforced plastic rods. The outer part of the connecting plate 9 is rotatably connected with the sliding plate 10, which is a key component that directly contacts and positions the surface of the mouse skin. The material of the sliding plate 10 is generally selected from plastic or metal sheet that has no irritation to the mouse skin and has certain hardness and smoothness, such as polytetrafluoroethylene sheet or aluminum alloy sheet. The outer part of the handle 4 is fixedly connected to the outer part of the top plate 3.
[0038] Reference Figures 3 to 4The inner part of the connecting plate 11 is fixedly connected with a fixed rod 17, which is a key component for supporting and guiding the spring 18 and providing restriction and guidance for the movement of the positioning plate 12. The material of the fixed rod 17 is usually high-strength alloy steel, such as chromium-molybdenum alloy steel. This material has excellent strength and rigidity, and can withstand large pressure and tension, and is not easy to deform or damage in long-term use. The outer part of the fixed rod 17 is sleeved with the spring 18, which plays an important role in buffering, resetting and providing a certain pre-tightening force in this structure. The spring 18 is made of high-quality spring steel material, and its elastic coefficient is accurately calculated and designed according to the weight, movement stroke and required buffering and resetting force of the positioning plate 12, so as to ensure that the positioning plate 12 can be properly supported by the spring force under various working conditions. The outer front side of the auxiliary template body 1 is fixedly connected with a plurality of connection frames 20, which are intermediate components connecting the auxiliary template body 1 and the magic tape 21. The material of the connection frame 20 is generally plastic or metal sheet, such as polycarbonate or aluminum alloy sheet;
[0039] The plastic connection frame has the characteristics of light weight, low cost and easy to process, and the metal sheet connection frame has higher strength and rigidity. The outer part of the connection frame 20 is fixedly connected with the magic tape 21, which is a convenient fixing device and can conveniently fix the auxiliary template body 1 on the white rat body or other experimental device. The magic tape 21 is composed of a hook surface and a wool surface, and the material is generally nylon or polyester fiber, which has good adhesion and durability. The shape of the hook surface and the wool surface is usually rectangular or square, and the size is determined according to the size of the connection frame 20 and the fixing requirement, and the thickness is generally between 1mm and 2mm. The outer part of the rotating plate 8 is rotatably connected to the outer part of the top plate 3, the outer part of the abutment plate 9 is rotatably connected to the outer part of the top plate 3, and the outer part of the connecting plate 11 is provided with a plurality of clamping grooves 16, which are key parts for realizing the locking and unlocking function of the positioning plate 12 in cooperation with the rotating clamping plate 15, and their shape and size are accurately designed;
[0040] The clamping groove 16 is usually rectangular or trapezoidal, and its width matches the thickness or width of the rotating clamping plate 15, which is generally between 2mm and 6mm, and the depth is determined according to the required clamping strength and stability, which is generally between 2mm and 5mm. The outer part of the rotating clamping plate 15 is clamped with the inner part of the clamping groove 16, one end of the spring 18 is fixedly connected to the inner part of the connecting plate 11, and the other end of the spring 18 is fixedly connected to the outer part of the positioning plate 12. When adjusting the position of the positioning plate 12, only need to rotate the rotating clamping plate 15 to make it separate from the clamping groove 16, then move the positioning plate 12 to the appropriate position, and then clamp the rotating clamping plate 15 into the corresponding clamping groove 16, which can complete the position adjustment and locking operation of the positioning plate 12, which is convenient and fast, and improves the practicability and flexibility of the measuring auxiliary template.
[0041] Working principle: first, aiming to provide support and guidance for the precise measurement of skin damage in white rats. The core part of the template is the auxiliary template body 1, made of transparent medical grade plastic material, which ensures no irritation to the skin of white rats during use. The design of the template includes support column 2 and top plate 3, and the height of the support column 2 is carefully designed to provide enough space for the positioning mechanism to ensure that the components do not interfere with each other during operation.
[0042] The positioning mechanism is the key to precise measurement, which is provided with sliding plate 10 and positioning plate 12. The sliding plate 10 is connected with the adapter block 19 and can move freely in the sliding groove 22, ensuring flexibility during measurement. The positioning plate 12 directly contacts the damaged part, and the material selection considers hardness and smoothness to reduce irritation to the skin. The adjusting mechanism makes the rotating plate 15 separate from the inside of the clamping groove 16 by pressing, so that the positioning plate 12 can extrude the spring 18, and then adjust the position of the positioning plate according to the shape and size of the damage, so as to meet different measurement requirements.
[0043] The motor 6 as a power source drives the connecting shaft 7 and the rotating plate 8, so that the rotating plate 8 drives the adapter plate 9 to rotate, and then drives the sliding plate 10 to move, when the sliding plate 10 moves, the adapter block 19 can slide in the sliding groove 22, so that the sliding plate 10 can slide stably in the sliding groove 22, ensuring the accuracy of positioning. The auxiliary template is also equipped with magic tape 21 and other fixing devices, which can fix the template firmly on the body of white rat or experimental device. The design of the spring 18 provides buffering and resetting function, which ensures that the positioning plate 12 can return to the original position after applying pressure. The overall design makes the measurement auxiliary template have the characteristics of high efficiency, precision and convenience in the experiment, which can effectively support the measurement of skin damage area.
[0044] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still modifies the technical solutions recorded in the foregoing embodiments, or makes equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A skin lesion area measurement aid template comprising an aid template body (1), characterised in that: The top four corners of the auxiliary template body (1) are fixedly connected with support columns (2), the top of the support column (2) is fixedly connected with a top plate (3), the top of the top plate (3) is fixedly connected with a positioning mechanism, the outside of the positioning mechanism is provided with a limiting assembly, and the outside of the positioning mechanism is provided with an adjusting mechanism. The positioning mechanism comprises a handle (4), and the proximal sides of the two handles (4) are fixedly connected with support plates (5). The top of the support plate (5) is fixedly connected with a motor (6), the driving end of the motor (6) is fixedly connected with a connecting shaft (7), the outside of the connecting shaft (7) is fixedly connected with a rotating plate (8), the outside of the rotating plate (8) is rotatably connected with a connecting plate (9), the outside of the connecting plate (9) is rotatably connected with a sliding plate (10), and the outside of the handle (4) is fixedly connected to the outside of the top plate (3).
2. The skin lesion area measurement aid template of claim 1, wherein: The limiting assembly comprises a sliding groove (22), and the inside of the sliding groove (22) is slidably connected with an adapter block (19). The outside of the adapter block (19) is fixedly connected to the outside of the sliding plate (10), and the outside of the sliding groove (22) is formed in the outside of the top plate (3).
3. The skin lesion area measurement aid template of claim 2, wherein: The adjusting mechanism comprises a connecting plate (11), the connecting plate (11) is slidably connected with a positioning plate (12), the outside of the positioning plate (12) is fixedly connected with a plurality of fixing frames (13), the inside of the fixing frame (13) is fixedly connected with an adapter shaft (14), the outside of the adapter shaft (14) is rotatably connected with a rotating clamping plate (15), and the outside of the connecting plate (11) is fixedly connected to the outside of the sliding plate (10).
4. The skin lesion area measurement aid template of claim 3, wherein: The inside of the connecting plate (11) is fixedly connected with a fixed rod (17), and the outside of the fixed rod (17) is sleeved with a spring (18).
5. The skin lesion area measurement aid template of claim 1, wherein: The outside of the auxiliary template body (1) is fixedly connected with a plurality of adapter frames (20), and the outside of the adapter frame (20) is fixedly connected with a magic tape (21).
6. The skin lesion area measurement aid template of claim 1, wherein: The outside of the rotating plate (8) is rotatably connected to the outside of the top plate (3), and the outside of the connecting plate (9) is rotatably connected to the outside of the top plate (3).
7. The skin lesion area measurement aid template of claim 3, wherein: The outside of the connecting plate (11) is provided with a plurality of clamping grooves (16), and the outside of the rotating clamping plate (15) is clamped with the inside of the clamping groove (16).
8. The skin lesion area measurement aid template of claim 4, wherein: One end of the spring (18) is fixedly connected to the inside of the connecting plate (11), and the other end of the spring (18) is fixedly connected to the outside of the positioning plate (12).