Adjustable limb fixing frame
By introducing a transmission control box and heating layer into the limb fixing frame, the height and angle can be adjusted and temperature control are achieved using the drive motor and heating pipe, which solves the problems of low efficiency and narrow applicability in the prior art, and improves medical examinations accuracy and patient comfort.
Patent Information
- Application Number
- CN202420616240.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-28
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-03-28
AI Technical Summary
During use, existing limb fixing frames have problems such as low efficiency, narrow applicability and impact on test results of older patients, especially the low transmission efficiency and great impact on air pumps.
An adjustable limb fixture including a transmission control box, a heating layer and a heating tube is designed to achieve height and angle adjustment through a drive motor, driving wheel, transmission belt, worm, worm gear and threaded rod, and the heating tube is powered by a power supply. Wire switch on to maintain proper temperature.
It improves transmission efficiency, expands applicability and scope of use, and improves the accuracy of medical examinations and the comfort of patients.
Smart Images

Figure CN222172588U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to medical equipment, and in particular to an adjustable limb fixing frame. Background Art
[0002] Medical equipment refers to various equipment and instruments used in medical diagnosis, treatment and monitoring. These equipment and instruments play an important role in medical institutions and medical environments, helping doctors to diagnose diseases, perform surgical treatments, and perform rehabilitation care, providing accurate medical data support and effective medical means. Limb fixation is one type of medical equipment that can fix the patient's limbs. An adjustable limb fixation frame is now designed.
[0003] According to Chinese patent: CN216985555U, an adjustable limb fixation frame for critical care medicine includes: a mounting frame, a fixing frame is installed on the top of the mounting frame, the fixing frame includes a pair of first adjustment frames and second adjustment frames, the first adjustment frames and the second adjustment frames are fitted to each other, the top of the first adjustment frames are fixedly installed with hand fixing blocks, the top of the second adjustment frames are fixedly installed with leg fixing blocks, and the bottom of each of the first adjustment frames and the second adjustment frames is fixedly installed with an adjustment piece. Based on the above-mentioned public patent and combined with the prior art, it is found that:
[0004] 1. The above device uses an air pump as a power source and a pneumatic telescopic rod to adjust the height of the adjustment frame. However, the air pump transmission has energy loss during the compression and discharge of gas, so the efficiency is relatively low.
[0005] 2. In order to cooperate with the doctor's examination or treatment, some examinations will require adjustment of the leg angle, such as pelvic or hip joint related examinations, and the above device has a narrow applicability;
[0006] 3. Patients have different age groups. The test results of older patients are sometimes affected by temperature. The relatively cold fixing frame and adjustment frame may have a certain impact on the test results of older patients. Utility Model Content
[0007] The purpose of the utility model is to provide an adjustable limb fixing frame to solve the problems of the existing limb fixing frames in the use process mentioned in the background technology.
[0008] In order to solve the above technical problems, the present invention provides the following technical solutions:
[0009] An adjustable limb fixing frame, comprising:
[0010] The carrier plate is one of the fixed frame structures, and a transmission control box is arranged below the carrier plate;
[0011] The support plate is composed of: a thermal insulation layer, a heating layer and a heating pipe;
[0012] A restraining ring, which is fixedly mounted on the surface of the carrier plate;
[0013] The transmission control box is equipped with a driving motor, a driving wheel, a transmission belt, a driven wheel, a worm, a worm wheel and a threaded rod;
[0014] An angle control box, which is arranged below the carrier plate and has an adjustment motor, a first transmission wheel and a second transmission wheel installed therein;
[0015] A connecting block is installed on the front and rear sides of the angle control box and is fixedly connected under the carrier plate;
[0016] A square threaded sleeve is fixedly connected below the angle control box.
[0017] Preferably, the transmission control box is fixedly connected to the sliding cavity above;
[0018] A square threaded sleeve is slidably installed in the sliding cavity;
[0019] A threaded rod, which is movably mounted in the sliding cavity and the transmission control box, and the square threaded sleeve is threadedly mounted on the threaded rod;
[0020] A worm gear is fixedly connected to the bottom of the threaded rod.
[0021] Preferably, a driving motor is fixedly installed in the transmission control box;
[0022] The driving wheel is connected to the side of the driving motor.
[0023] Preferably, the worm is movably mounted in the transmission control box via a transmission shaft and meshes with the worm wheel;
[0024] A driven wheel, which is connected to the worm gear through a transmission shaft;
[0025] A transmission belt is installed between the driving wheel and the driven wheel.
[0026] Preferably, the connecting block is installed on the front and rear sides of the angle control box through a transmission shaft;
[0027] An adjusting motor is fixedly installed in the angle control box;
[0028] A first transmission wheel, which is transmission-connected to the front side of the regulating motor;
[0029] The second transmission wheel is fixedly connected to the transmission shaft between the connection blocks and meshes with the first transmission wheel.
[0030] Preferably, the heating layer is one of the supporting plate components, in which a heating pipe is fixedly installed;
[0031] A power line is fixedly connected to the head and tail of the heating tube and is connected to the power supply in the transmission control box.
[0032] Preferably, a structural steel plate is fixedly connected to the side of the transmission control box;
[0033] Support members, each of which is fixedly connected to the structural steel plate;
[0034] A lying board, which is fixedly connected above the supporting member;
[0035] A lying pillow, which is placed on the surface of the lying board;
[0036] Support rods are fixedly connected below the transmission control box and the structural steel plate.
[0037] The present invention provides an adjustable limb fixing frame, which has the following beneficial effects:
[0038] 1. Start the driving motor and the driving wheel, then drive the worm gear through the transmission belt, and then rotate the threaded rod. Then the square threaded sleeve will rise or fall in the sliding cavity to adjust the height, and then adjust the height of the carrier plate. Compared with the air pump drive, the worm gear drive can transfer the input power to the output end more effectively, thereby improving the transmission efficiency of the device.
[0039] 2. By starting the adjustment motor, the No. 1 transmission wheel rotates, driving the No. 2 transmission wheel, and then the front and rear connecting blocks drive the upper support plate to adjust the degree, thereby increasing the applicability and use range of the device.
[0040] 3. Connect the heating tube to the power supply through the power cord. The heating tube generates heat, and the temperature rises in the heating layer, and heats the insulation layer above, so that the insulation layer in contact with the patient's skin reaches a suitable temperature, thereby improving the accuracy of medical examinations and the patient's comfort. BRIEF DESCRIPTION OF THE DRAWINGS
[0041] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0042] Figure 1 This is a schematic diagram of the overall structure of an adjustable limb fixing frame of the utility model;
[0043] Figure 2 This is a schematic diagram of the cross-sectional structure of an adjustable limb fixing frame lifting structure of the utility model;
[0044] Figure 3This is a schematic diagram of the transmission structure of an adjustable limb fixing frame of the utility model;
[0045] Figure 4 This is a schematic diagram of the bottom connection structure of an adjustable limb fixing frame support plate of the utility model;
[0046] Figure 5 This is a schematic diagram of the angle adjustment structure of a support plate of an adjustable limb fixing frame of the utility model;
[0047] Figure 6 The utility model is a schematic diagram of a heating structure of an adjustable limb fixing frame support plate.
[0048] In the figure: 1. transmission control box; 2. support rod; 3. structural steel plate; 4. support member; 5. lying board; 6. lying pillow; 7. restraining ring; 8. bearing plate; 9. sliding cavity; 10. square threaded sleeve; 11. threaded rod; 12. driving motor; 13. driving wheel; 14. driving belt; 15. driven wheel; 17. worm; 18. worm wheel; 19. angle control box; 20. connecting block; 21. adjusting motor; 22. No. 1 transmission wheel; 23. No. 2 transmission wheel; 24. power cord; 25. heating tube; 26. insulation layer; 27. heating layer. DETAILED DESCRIPTION
[0049] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0050] Example: Figure 1 As shown, an adjustable limb fixation frame includes: a support rod 2, which is the main supporting structure of the fixation frame, a transmission control box 1 is fixedly connected to the top of the support rod 2, four slide cavities 9 are fixedly connected to the top of the support rod 2, and a support plate 8 is arranged on the top of the support plate 8. The lifting and lowering of the support plate 8 can be controlled by the transmission control box 1. A restraint ring 7 is fixedly installed on the surface of each support plate 8 for restraining and fixing the patient's limbs. On the rear side of the transmission control box 1, a structural steel plate 3 is fixedly connected to the top of the support rod 2, and a lying board 5 is fixedly connected to the top of the support rod 2 through a fixedly connected support member 4. The lying board 5 supported by a plurality of structures is used to support the upper body of the patient, and a lying pillow 6 placed on the lying board 5 is used to place the patient's head.
[0051] like Figure 2-3As shown, it includes: a threaded rod 11, which is movably installed in the sliding cavity 9 and the transmission control box 1, and a worm gear 18 is fixedly connected to the bottom of the threaded rod 11. A square threaded sleeve 10 threadedly installed on the threaded rod 11 is slidably installed in the sliding cavity 9. The driving motor 12 is fixedly installed in the transmission control box 1. The front side of the driving motor 12 is transmission-connected to the driving wheel 13. A worm 17 is movably installed on both sides of the driving motor 12. The worm 17 is meshed with the worm gear 18, which is connected to the driven wheel 15 through a transmission shaft. A transmission belt 14 is installed between the driven wheel 15 and the driving wheel 13. After starting the driving motor 12, the driving wheel 13 drives the driven wheel 15 through the transmission belt 14, and then the worm 17 rotates and drives the worm gear 18, and then the threaded rod 11 rotates to make the square threaded sleeve 10 move up and down in the sliding cavity 9.
[0052] like Figure 4-5 As shown, it includes: an angle control box 19 is arranged below the carrier plate 8, the two are not in contact and are separated by a certain distance, a connecting block 20 that is transmission-connected to the front and rear sides of the angle control box 19 is fixedly connected below the carrier plate 8, an adjusting motor 21 is fixedly installed in the angle control box 19, a No. 1 transmission wheel 22 transmission-connected to the front of it is meshed with a No. 2 transmission wheel 23, the No. 2 transmission wheel 23 is fixedly connected to the transmission shaft between the connecting blocks 20, by starting the adjusting motor 21, and then through the transmission of the No. 1 transmission wheel 22 and the No. 2 transmission wheel 23, the connecting block 20 drives the upper carrier plate 8 to rotate and adjust the angle.
[0053] like Figure 6 As shown, it includes: a heating layer 27, which is one of the components of the support plate 8, and a heating tube 25 is fixedly installed inside it. The first end of the serpentine heating tube 25 is connected to the power supply in the transmission control box 1 through a power line 24, and an insulation layer 26 is fixedly installed above the heating layer 27. The heating tube 25 releases heat after being energized, and heats the insulation layer 26 above to increase its temperature.
[0054] Working principle: Before using the device, the heating tube 25 is connected to the power supply through the power cord 24, the heating tube 25 generates heat, the temperature rises in the heating layer 27, and the upper insulation layer 26 is heated, so that the insulation layer 26 in contact with the patient's skin reaches a suitable temperature, thereby improving the accuracy of medical examinations and the patient's comfort. Then the patient lies flat on the device, with the head resting on the lying pillow 6, and the limbs are fixed with the restraint ring 7. When the height of the limbs needs to be adjusted, the drive motor 12 is started, the driving wheel 13 is started, and then the worm 17 drives the worm wheel 18 through the transmission of the transmission belt 14, and then The threaded rod 11 is rotated, and then the square threaded sleeve 10 will rise or fall in the sliding cavity 9 to adjust the height, thereby adjusting the height of the support plate 8. Compared with the air pump transmission, the worm gear transmission can transmit the input power to the output end more effectively, thereby improving the transmission efficiency of the device. When it is necessary to adjust the limb angle during specific examination items such as pelvic or hip joint related examinations, the adjustment motor 21 is started to rotate the No. 1 transmission wheel 22, which drives the No. 2 transmission wheel 23, and then the front and rear connecting blocks 20 drive the upper support plate 8 to adjust the degree, thereby increasing the applicability and scope of use of the device.
[0055] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. An adjustable limb fixation frame, characterized in that: include: A support plate (8), which is one of the fixed frame structures, and a transmission control box (1) is arranged below the support plate; The support plate (8) is composed of: a heat-insulating layer (26), a heating layer (27) and a heating tube (25); A restraining ring (7) fixedly mounted on the surface of the support plate (8); The transmission control box (1) is equipped with a driving motor (12), a driving wheel (13), a transmission belt (14), a driven wheel (15), a worm (17), a worm wheel (18) and a threaded rod (11); An angle control box (19) is arranged below the carrier plate (8) and contains an adjustment motor (21), a first transmission wheel (22) and a second transmission wheel (23); A connecting block (20) is installed on the front and rear sides of the angle control box (19) and is fixedly connected below the carrier plate (8); A square threaded sleeve (10) is fixedly connected below the angle control box (19).
2. The adjustable limb fixation frame according to claim 1, characterized in that: The transmission control box (1) is fixedly connected to a sliding cavity (9) above; A square threaded sleeve (10) is slidably installed in the sliding cavity (9); A threaded rod (11) is movably mounted in the sliding cavity (9) and the transmission control box (1), and a square threaded sleeve (10) is threadedly mounted on the threaded rod (11); A worm gear (18) is fixedly connected to the bottom of the threaded rod (11).
3. The adjustable limb fixation frame according to claim 1, characterized in that: A driving motor (12) is fixedly installed in the transmission control box (1); The driving wheel (13) is transmission-connected to the side of the driving motor (12).
4. The adjustable limb fixation frame according to claim 1, characterized in that: The worm (17) is movably mounted in the transmission control box (1) via a transmission shaft and meshes with the worm wheel (18); A driven wheel (15) which is drivingly connected to the worm (17) via a transmission shaft; A transmission belt (14) is installed between the driving wheel (13) and the driven wheel (15).
5. The adjustable limb fixation frame according to claim 1, characterized in that: The connecting block (20) is installed on the front and rear sides of the angle control box (19) through transmission shaft transmission; An adjusting motor (21) is fixedly installed in the angle control box (19); A first transmission wheel (22), which is transmission-connected to the front side of the regulating motor (21); The second transmission wheel (23) is fixedly connected to the transmission shaft between the connection blocks (20) and meshes with the first transmission wheel (22).
6. The adjustable limb fixation frame according to claim 1, characterized in that: The heating layer (27) is one of the components of the support plate (8), and a heating pipe (25) is fixedly installed in the heating layer; A power line (24) is fixedly connected to the head and tail of the heating tube (25) and is connected to the power supply in the transmission control box (1).
7. The adjustable limb fixation frame according to claim 1, characterized in that: A structural steel plate (3) is fixedly connected to the side of the transmission control box (1); Support members (4), each of which is fixedly connected to the structural steel plate (3); A lying board (5) fixedly connected above the supporting member (4); A lying pillow (6), which is placed on the surface of the lying board (5); The support rods (2) are fixedly connected to the transmission control box (1) and the bottom of the structural steel plate (3).
