Auxiliary patella measurement device

Abstract

The utility model relates to the technical field of medical instruments, and provides a patella measurement auxiliary device which comprises a bottom plate, a toothed plate is fixedly arranged in the middle of the top face of the bottom plate, a moving groove is formed in the side wall of the toothed plate, a moving box is movably clamped to the inner side of the moving groove, a first rotating hole is formed in one side wall of the moving box, and a second rotating hole is formed in the other side wall of the moving box. A gear is movably inserted into the inner side of the first rotating hole, a U-shaped frame is fixedly arranged on the top face of the moving box, a fixing block is fixedly arranged at the top end of the U-shaped frame, a rectangular groove is formed in the middle of one side wall of the fixing block, a spring is fixedly arranged in the middle of the inner wall of one side of the rectangular groove, and a connecting plate is fixedly arranged at one end of the spring. A connecting frame is fixedly arranged at one end of the connecting plate, a flexible rule is movably inserted into the inner side of the connecting frame, the leg of a patient can be supported, then the patella of the patient is measured through the flexible rule, multi-point measurement can be conducted near the patella of the patient, the measurement accuracy is improved, and observation of the rehabilitation process of the patient is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a patella measurement auxiliary device. Background Technique

[0002] Artificial knee joint replacement is a new technology for treating knee joint diseases that has gradually developed after the successful application of artificial hip joints in patients in modern times. It can very effectively eradicate late-stage knee joint pain and greatly improve the quality of life of patients. In the first few weeks after knee joint replacement, swelling generally appears above the patella of patients, which requires medical staff to measure it every day until the swelling subsides.

[0003] Most of the existing swelling measurements are carried out by medical staff visually or manually using a tape measure on the swollen area. This method is relatively troublesome, has a large error, cannot obtain accurate measurement data, and may require frequent lifting of the patient's leg, which is not conducive to the patient's rehabilitation process.

[0004] Therefore, a patella measurement auxiliary device is needed, which has good adjustability, can perform multi-point measurement, is convenient and fast in measurement operation, and has accurate measurement results. Content of the Utility Model

[0005] In order to solve the above problems, the utility model proposes a patella measurement auxiliary device, which can complete the measurement work conveniently and quickly, improve the comfort of patients, and help patients recover early.

[0006] To achieve the above object, the utility model proposes the following specific solutions:

[0007] A patella measurement auxiliary device includes a bottom plate. A first support pad is fixedly arranged at the edge of the top surface of the bottom plate, and a second support pad is fixedly arranged at the other edge of the top surface of the bottom plate. A toothed plate is fixedly arranged in the middle of the top surface of the bottom plate. The toothed plate is located between the first support pad and the second support pad. A moving groove is arranged on the side wall of the toothed plate, and a moving box is movably clamped inside the moving groove. The moving box is located above the toothed plate. A first rotating hole is arranged on one side wall of the moving box, and a gear is movably inserted inside the first rotating hole. The gear is located inside the moving box and meshes with the toothed plate. A rotating rod is fixedly arranged in the middle of one side wall of the gear, and the rotating rod is movably inserted inside the first rotating hole. A U-shaped frame is fixedly arranged on the top surface of the moving box, and a fixed block is fixedly arranged at the top end of the U-shaped frame. A rectangular groove is arranged in the middle of one side wall of the fixed block, and a spring is fixedly arranged in the middle of one inner wall of the rectangular groove. One end of the spring is fixedly provided with a connecting plate, and the connecting plate is movably inserted inside the rectangular groove. One end of the connecting plate is fixedly provided with a connecting frame, and a flexible ruler is movably inserted inside the connecting frame.

[0008] As a preferred technical solution of the patella measurement auxiliary device of the present utility model, L-shaped plates are symmetrically and fixedly arranged on the bottom surface of the moving box, and the L-shaped plates are movably clamped inside the moving grooves.

[0009] As a preferred technical solution of the patella measurement auxiliary device of the present utility model, a second rotating hole is provided on the other side wall of the moving box, and a rotating column is fixedly arranged in the middle of the other side wall of the gear, and the rotating column is movably inserted inside the second rotating hole.

[0010] As a preferred technical solution of the patella measurement auxiliary device of the present utility model, a rotating handle is fixedly arranged at one end of the rotating rod.

[0011] As a preferred technical solution of the patella measurement auxiliary device of the present utility model, a limiting ring is fixedly sleeved on the outer wall of the rotating rod, and the limiting ring is located on one side of the moving box.

[0012] As a preferred technical solution of the patella measurement auxiliary device of the present utility model, a connecting frame is fixedly arranged at one end of the flexible ruler.

[0013] As a preferred technical solution of the patella measurement auxiliary device of the present utility model, a rectangular block is fixedly arranged at the other end of the flexible ruler.

[0014] As a preferred technical solution of the patella measurement auxiliary device of the present utility model, the surfaces of the first support pad and the second support pad are both made of flexible materials.

[0015] Compared with the existing technology, the present utility model has the following beneficial effects:

[0016] The present utility model can rotate the rotating rod through the rotating handle to drive the gear to rotate, so as to adjust the position of the flexible ruler between the first support pad and the second support pad. When the patient's leg is placed on the first support pad and the second support pad, the position of the flexible ruler can be freely adjusted by the rotation of the gear, which is convenient for finding the measurement position and also convenient for multi-point measurement to meet different usage requirements.

[0017] The present utility model measures the patient's patella through the provided flexible ruler. When the patient's leg is placed inside the first support pad and the second support pad, it can not only support the patient's leg but also prevent the patient's leg from being unstable, resulting in measurement errors. During the measurement, as the flexible ruler tightens on the outside of the patient's patella, the connecting frame drives the connecting plate to move, and the spring stretches. After the measurement is completed, the spring contracts, driving the flexible ruler to automatically separate to both sides. The measurement result of this scheme is accurate, the measurement operation is simple, and it can quickly measure the patient's patella, improving the work efficiency of medical staff. Description of the Drawings

[0018] In order to better describe the technical solution of the present utility model in detail, the present invention will be further described below in conjunction with the drawings and embodiments.

[0019] Figure 1 is the three-dimensional view of the overall structure provided by the present utility model;

[0020] Figure 2 is the three-dimensional sectional view of the present utility model;

[0021] Figure 3 is the three-dimensional view of the gear of the present utility model;

[0022] Figure 4 of the present utility model Figure 2 is the enlarged schematic view of part A in;

[0023] Figure 5 of the present utility model Figure 2 is the enlarged schematic view of part B in;

[0024] Figure 6 of the present utility model Figure 2 is the enlarged schematic view of part C in.

[0025] In the figure: 1, bottom plate; 11, first support pad; 12, second support pad; 13, toothed plate; 131, moving groove; 2, moving box; 21, L-shaped plate; 22, U-shaped frame; 23, fixing block; 231, rectangular groove; 232, spring; 233, connecting plate; 234, connecting frame; 24, gear; 241, rotating rod; 242, rotating handle; 243, limiting ring; 244, rotating column; 25, first rotating hole; 26, second rotating hole; 3, flexible ruler; 31, connecting frame; 32, rectangular block. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0027] Embodiment

[0028] Please refer to Figures 1-6 as shown. The present utility model provides the following technical solutions: A patella measurement assisting device includes a bottom plate 1. A first support pad 11 is fixedly provided at the edge of the top surface of the bottom plate 1, and a second support pad 12 is fixedly provided at the other edge of the top surface of the bottom plate 1. The surfaces of the first support pad 11 and the second support pad 12 are both made of flexible materials. The first support pad 11 and the second support pad 12 in this solution provide support for the patient's leg, and the flexible materials make the patient more comfortable during measurement.

[0029] Refer to Figure 1 、Figure 2 , Figure 3 , Figure 5 As shown in Figure 6 , specifically, a toothed plate 13 is fixedly provided in the middle of the top surface of the bottom plate 1, which facilitates the gear 24 to drive the moving box 2 to adjust its position. The toothed plate 13 is located between the first support pad 11 and the second support pad 12. A moving groove 131 is provided on the side wall of the toothed plate 13 to ensure the stable connection between the moving box 2 and the toothed plate 13. The moving box 2 is movably clamped inside the moving groove 131 for supporting the U-shaped frame 22 and driving its movement. The moving box 2 is located above the toothed plate 13. Symmetrically fixed L-shaped plates 21 are provided on the bottom surface of the moving box 2 to ensure the connection between the moving box 2 and the toothed plate 13 and facilitate the movement of the moving box 2. The L-shaped plates 21 are movably clamped inside the moving groove 131. A first rotation hole 25 is provided on one side wall of the moving box 2 for the rotation of the rotating rod 241. The gear 24 is movably inserted inside the first rotation hole 25 to drive the moving box 2 to move. The gear 24 is located inside the moving box 2 and meshes with the toothed plate 13. A rotating rod 241 is fixedly provided in the middle of one side wall of the gear 24 to drive the gear 24 to rotate. The rotating rod 241 is movably inserted inside the first rotation hole 25. A second rotation hole 26 is provided on the other side wall of the moving box 2 to facilitate the rotation of the rotating column 244. A rotating column 244 is fixedly provided in the middle of the other side wall of the gear 24 to provide support for the gear 24. The rotating column 244 is movably inserted inside the second rotation hole 26. A rotating handle 242 is fixedly provided at one end of the rotating rod 241 to facilitate the rotation of the rotating rod 241. A limiting ring 243 is fixedly sleeved on the outer wall of the rotating rod 241 to prevent the gear 24 from shaking inside the moving box 2. The limiting ring 243 is located on one side of the moving box 2. In this solution, the rotation of the gear 24 drives the movement of the moving box 2, thereby adjusting the position of the flexible ruler 3, facilitating the multi-point measurement of the patient's patella, meeting different needs, and improving efficiency.

[0030] Refer to Figure 1 , Figure 2 and Figure 4 ​​As shown in the figure, specifically, a U-shaped frame 22 is fixedly arranged on the top surface of the moving box 2 to support the fixed block 23. A fixed block 23 is fixedly arranged at the top end of the U-shaped frame 22, which can play a role in supporting the connecting plate 233. A rectangular groove 231 is arranged in the middle of one side wall of the fixed block 23, which facilitates the connection of the spring 232 and the movement of the connecting plate 233. A spring 232 is fixedly arranged in the middle of the inner wall of one side of the rectangular groove 231 to pull the connecting plate 233, which is convenient for the soft ruler 3 to quickly separate after the measurement is completed. One end of the spring 232 is fixedly provided with a connecting plate 233 to drive the connecting frame 234 to move. The connecting plate 233 is movably inserted into the inner side of the rectangular groove 231. One end of the connecting plate 233 is fixedly provided with a connecting frame 234 for connecting the soft ruler 3. The soft ruler 3 is movably inserted into the inner side of the connecting frame 234 to measure the patient's patella. One end of the soft ruler 3 is fixedly provided with a connecting frame 31, and the soft ruler 3 is embedded in the inner side of the connecting frame 31, which can quickly form a circle for the soft ruler 3 to facilitate the measurement. The other end of the soft ruler 3 is fixedly provided with a rectangular block 32 to facilitate pulling the soft ruler 3. This solution can quickly complete the measurement of the patient's patella, with accurate measurement results and high measurement efficiency.

[0031] The working principle and usage process of the present utility model:

[0032] When in use, place the patient's leg on the first support pad 11 and the second support pad 12. At this time, the patient's patella is located between the first support pad 11 and the second support pad 12. During the measurement, place the connecting frame 31 at one end of the soft ruler 3 on the skin at the measurement position of the patient, hold the rectangular block 32 at the other end of the soft ruler 3, and insert the soft ruler 3 into the inner side of the connecting frame 31. At this time, the soft ruler 3 will form a ring to wrap around the patient's patella. Then pull the rectangular block 32. As the soft ruler 3 tightens around the patient's leg, the spring 232 stretches, and the connecting frames 234 on both sides drive the connecting plate 233 to move towards the patient's leg. When the soft ruler 3 is completely tightened, the measurement result can be obtained. After the measurement is completed, remove the soft ruler 3 from the inner side of the connecting frame 31. Under the pull of the spring 232, the soft ruler 3 automatically separates to both sides. By holding the rotating handle 242 and rotating the rotating column 244 to make the gear 24 rotate, the soft ruler 3 can be driven to move along the toothed plate 13 to adjust the position of the soft ruler 3 for multi-point measurement.

[0033] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they 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 utility model shall be included in the protection scope of the present utility model.

Claims

1. A patella measurement auxiliary device, comprising a base plate (1), characterized in that: A first support pad (11) is fixedly provided on an edge of the top surface of the bottom plate (1), a second support pad (12) is fixedly provided on the other edge of the top surface of the bottom plate (1), a tooth plate (13) is fixedly provided on the middle of the top surface of the bottom plate (1), the tooth plate (13) is located between the first support pad (11) and the second support pad (12), a side wall of the tooth plate (13) is provided with a movable groove (131), a movable box (2) is movably connected to the inner side of the movable groove (131), the movable box (2) is located above the tooth plate (13), a side wall of the movable box (2) is provided with a first rotating hole (25), a gear (24) is movably inserted into the inner side of the first rotating hole (25), the gear (24) is located on the inner side of the movable box (2), and the gear (24) and the tooth plate (13) are connected. ) are meshed, a rotating rod (241) is fixedly provided in the middle of one side wall of the gear (24), and the rotating rod (241) is movably inserted into the inner side of the first rotating hole (25); a U-shaped frame (22) is fixedly provided on the top surface of the mobile box (2); a fixed block (23) is fixedly provided on the top of the U-shaped frame (22); a rectangular groove (231) is provided in the middle of one side wall of the fixed block (23); a spring (232) is fixedly provided in the middle of the inner wall of one side of the rectangular groove (231); a connecting plate (233) is fixedly provided at one end of the spring (232), and the connecting plate (233) is movably inserted into the inner side of the rectangular groove (231); a connecting frame (234) is fixedly provided at one end of the connecting plate (233), and a soft ruler (3) is movably inserted into the inner side of the connecting frame (234).

2. A patella measurement auxiliary device according to claim 1, characterized in that: An L-shaped plate (21) is symmetrically fixedly provided on the bottom surface of the moving box (2), and the L-shaped plate (21) is movably clamped on the inner side of the moving groove (131).

3. A patella measurement auxiliary device according to claim 2, characterized in that: A second rotating hole (26) is provided on the other side wall of the moving box (2), and a rotating column (244) is fixedly provided in the middle of the other side wall of the gear (24), and the rotating column (244) is movably inserted into the inner side of the second rotating hole (26).

4. A patella measurement auxiliary device according to claim 3, characterized in that: A rotating handle (242) is fixedly provided at one end of the rotating rod (241).

5. The patella measurement auxiliary device according to claim 4, characterized in that: A limiting ring (243) is fixedly sleeved on the outer wall of the rotating rod (241), and the limiting ring (243) is located on one side of the moving box (2).

6. The patella measurement auxiliary device according to claim 5, characterized in that: A connecting frame (31) is fixedly provided at one end of the tape measure (3).

7. A patella measurement auxiliary device according to claim 6, characterized in that: A rectangular block (32) is fixedly provided at the other end of the tape measure (3).

8. The patella measurement auxiliary device according to claim 7, characterized in that: The surface layers of the first support pad (11) and the second support pad (12) are both made of flexible material.

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