Bone joint movement assembly and surgical instrument
By adopting the removable design of rubber pads and splints in bone and joint surgical instruments, the patient's discomfort caused by the hard splint material is solved, and rubber pad replacement is achieved with improved comfort and convenient.
Patent Information
- Application Number
- CN202510348796.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2025-08-08
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The splint material of existing bone and joint surgical instruments is very strong, causing the patient to feel pain or discomfort during the operation.
The rubber pad is connected to the clamp. By setting up a first bidirectional threaded rod, the second bidirectional threaded rod and the bevel gear meshing structure, the detachable design of the clamping plate is realized, reducing clamping pressure and facilitating the replacement of the rubber pad.
It reduces the clamping pressure of the splint on the bone joints, improves the comfort of the patient, and facilitates the removal and replacement of rubber cushions.
Smart Images

Figure CN120436808A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of bone and joint surgical instruments, and in particular to a bone and joint motion component and a surgical instrument. Background Art
[0002] Orthopedic surgical instruments are professional medical devices specially used for orthopedic surgery and can be divided into many types according to their use and performance.
[0003] The U-shaped support plate is fixed to the workbench, and the support plate is fixed to the workbench, so that the doctor can adjust the U-shaped support plate to a suitable angle according to the support requirements without manual operation.
[0004] However, although the above device can be adjusted in height and angle, which improves the convenience of use of the device, the splint material is too hard and will cause direct pressure on the patient during the bone and joint clamping process, causing the patient to feel pain or discomfort during the operation, which is inconvenient for the user to use. Summary of the Invention
[0005] The present invention provides a bone joint motion component and a surgical instrument to solve the problems in the background technology.
[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a bone joint motion assembly and a surgical instrument, comprising a U-shaped seat, an electric telescopic rod, a support plate and a rotating rod, the other end of the rotating rod is fixedly connected to the bottom of the support plate, the internal movement of the support plate is provided with a first bidirectional threaded rod, one end of the first bidirectional threaded rod passes through one side of the support plate and extends to the outside of the support plate, one end of the first bidirectional threaded rod is fixedly provided with a first rotating handle, the external movement of the first bidirectional threaded rod is provided with a first nut seat, the top of the first nut seat is fixedly provided with a connecting block, the top of the connecting block is fixedly provided with a splint, the splint is movably connected to the rubber pad, the interior of the splint is provided with an installation slot, the interior of the installation slot is movably provided with a second bidirectional threaded rod, the external movement of the second bidirectional threaded rod is provided with a second nut seat, a clamping plate is fixedly provided on one side of the second nut seat, the clamping plate is clamped in the clamping slot of the connecting plate, and the connecting plate is fixedly connected to the rubber pad.
[0007] Furthermore, suction cups are fixedly provided on the left and right sides of the front and rear end walls of the U-shaped seat.
[0008] Furthermore, an electric telescopic rod is fixedly provided on the top of the U-shaped seat, and the telescopic end of the electric telescopic rod is fixedly connected to the bottom of the support plate.
[0009] Furthermore, sliders are fixedly provided on both sides of the support plate, and sliding grooves adapted to the sliders are provided on the inner walls on both sides of the U-shaped seat, and the connection relationship between the sliders and the sliding grooves is a sliding connection.
[0010] Furthermore, the top of the support plate is rotatably connected to a rotating rod, a first transmission wheel is fixedly provided on the outside of the rotating rod, a motor is fixedly provided on the top of the support plate, a second transmission wheel is fixedly provided on the outside of the output shaft of the motor, and a transmission belt is movably provided on the outside of the first transmission wheel and the second transmission wheel.
[0011] Furthermore, the connection relationship between the first bidirectional threaded rod and the first nut seat is a threaded connection, and a threaded hole adapted to the first bidirectional threaded rod is provided inside the first nut seat.
[0012] Furthermore, a first bevel gear is fixedly provided on the outer surface of the middle part of the second bidirectional threaded rod, a second bevel gear is movably provided on one side of the first bevel gear, a second rotating handle is fixedly provided inside the second bevel gear, and the connection relationship between the first bevel gear and the second bevel gear is a meshing connection.
[0013] Furthermore, the connection relationship between the second bidirectional threaded rod and the second nut seat is a threaded connection, and a threaded hole adapted to the second bidirectional threaded rod is provided inside the second nut seat.
[0014] Compared with the prior art, the present invention provides a bone joint motion assembly and surgical instrument, which have the following beneficial effects:
[0015] The bone joint motion assembly and surgical instrument, by providing a rubber pad, can reduce the clamping pressure of the splint on the bone joint and improve the patient's comfort. When the rubber pad needs to be removed, the second bevel gear is driven to rotate by rotating the second rotating handle, so that the second bevel gear drives the first bevel gear to rotate, and then the first bevel gear drives the second bidirectional threaded rod to rotate, so that the second nut seat drives the clamping plate to perform reverse vertical movement, and the clamping state of the clamping plate and the connecting plate can be released, thereby realizing the removal of the rubber pad and facilitating the replacement of the rubber pad. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of the present invention;
[0017] Figure 2 It is a front view structural schematic diagram of the present invention;
[0018] Figure 3 It is a schematic diagram of the support plate structure of the present invention;
[0019] Figure 4 It is a schematic diagram of the splint structure of the present invention.
[0020] In the figure: 1. U-shaped seat; 101. Suction cup; 2. Electric telescopic rod; 3. Support plate; 301. Slider; 302. Slide groove; 4. Rotating rod; 401. First transmission wheel; 402. Motor; 403. Second transmission wheel; 404. Transmission belt; 5. Support plate; 501. First bidirectional threaded rod; 502. First rotating handle; 503. First nut seat; 504. Connecting block; 6. Clamping plate; 601. Rubber pad; 7. Mounting slot; 701. Second bidirectional threaded rod; 702. First bevel gear; 703. Second bevel gear; 704. Second rotating handle; 705. Second nut seat; 706. Clamping plate; 707. Connecting plate. DETAILED DESCRIPTION
[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0022] See also Figure 1-4 The present invention discloses a bone joint motion assembly and surgical instrument, comprising a U-shaped seat 1, an electric telescopic rod 2, a support plate 3 and a rotating rod 4, the other end of the rotating rod 4 is fixedly connected to the bottom of the support plate 5, the interior of the support plate 5 is provided with a first bidirectional threaded rod 501, one end of the first bidirectional threaded rod 501 passes through one side of the support plate 5 and extends to the outside of the support plate 5, one end of the first bidirectional threaded rod 501 is fixedly provided with a first rotating handle 502, the outside of the first bidirectional threaded rod 501 is provided with a first nut seat 503, the first nut seat 50 3 is fixedly provided with a connecting block 504 on the top, and a splint 6 is fixedly provided on the top of the connecting block 504, and the splint 6 is movably connected to the rubber pad 601, and a mounting groove 7 is provided inside the splint 6, and a second bidirectional threaded rod 701 is movably provided inside the mounting groove 7, and a second nut seat 705 is movably provided outside the second bidirectional threaded rod 701, and a clamping plate 706 is fixedly provided on one side of the second nut seat 705, and the clamping plate 706 is clamped in the clamping groove of the connecting plate 707, and the connecting plate 707 is fixedly connected to the rubber pad 601.
[0023] Specifically, suction cups 101 are fixedly provided on the left and right sides of the front and rear end walls of the U-shaped seat 1 .
[0024] In this embodiment, by providing the suction cup 101 , the U-shaped seat 1 can be connected to the mounting piece, thereby facilitating the fixing of the device.
[0025] Specifically, an electric telescopic rod 2 is fixedly provided on the top of the U-shaped seat 1 , and the telescopic end of the electric telescopic rod 2 is fixedly connected to the bottom of the support plate 3 .
[0026] In this embodiment, an electric telescopic rod 2 is set up, and by starting the electric telescopic rod 2, its telescopic end drives the support plate 3 to perform vertical lifting movement, which can drive the support plate 5 and the splint 6 to perform vertical lifting movement, and the splint 6 can be adjusted to a suitable height to facilitate clamping of the patient's bone joints.
[0027] Specifically, sliders 301 are fixedly provided on both sides of the support plate 3, and sliding grooves 302 adapted to the sliders 301 are opened on the inner walls of both sides of the U-shaped seat 1, and the connection relationship between the sliders 301 and the sliding grooves 302 is a sliding connection.
[0028] In this embodiment, by providing the slider 301 and the slide groove 302 , the stability of the vertical lifting movement of the support plate 3 can be improved, thereby improving the stability of the vertical lifting movement of the support plate 5 and the clamping plate 6.
[0029] Specifically, the top of the support plate 3 is rotatably connected to a rotating rod 4, a first transmission wheel 401 is fixedly provided on the outside of the rotating rod 4, a motor 402 is fixedly provided on the top of the support plate 3, a second transmission wheel 403 is fixedly provided on the outside of the output shaft of the motor 402, and a transmission belt 404 is movably provided on the outside of the first transmission wheel 401 and the second transmission wheel 403.
[0030] In this embodiment, a rotating rod 4, a first transmission wheel 401, a second transmission wheel 403 and a transmission belt 404 are set, and the motor 402 is started so that its output shaft drives the second transmission wheel 403 to rotate, and then the transmission belt 404 drives the first transmission wheel 401 to rotate, which can drive the rotating rod 4 to rotate, thereby driving the support plate 5 and the splint 6 to rotate, and adjusting the angle of the splint 6.
[0031] Specifically, the connection relationship between the first bidirectional threaded rod 501 and the first nut seat 503 is a threaded connection, and a threaded hole adapted to the first bidirectional threaded rod 501 is opened inside the first nut seat 503 .
[0032] In this embodiment, by setting a first bidirectional threaded rod 501 and a first nut seat 503, the first bidirectional threaded rod 501 is driven to rotate by rotating the first rotating handle 502, so that the first nut seat 503 makes a reverse horizontal movement along the outside of the first bidirectional threaded rod 501, and then the first nut seat 503 drives the connecting block 504 and the splint 6 to make a reverse horizontal movement, so that the spacing between the splints 6 can be adjusted according to the patient's condition, and the patient's bone joints can be clamped to facilitate surgery.
[0033] Specifically, a first bevel gear 702 is fixedly provided on the outer surface of the middle part of the second bidirectional threaded rod 701, a second bevel gear 703 is movably provided on one side of the first bevel gear 702, a second rotating handle 704 is fixedly provided inside the second bevel gear 703, and the connection relationship between the first bevel gear 702 and the second bevel gear 703 is a meshing connection.
[0034] In this embodiment, by setting the first bevel gear 702 and the second bevel gear 703, the second bevel gear 703 is driven to rotate by rotating the second rotating handle 704, so that the second bevel gear 703 drives the first bevel gear 702 to rotate, and the first bevel gear 702 drives the second bidirectional threaded rod 701 to rotate, thereby achieving the purpose of driving the second bidirectional threaded rod 701 to rotate.
[0035] Specifically, the connection relationship between the second bidirectional threaded rod 701 and the second nut seat 705 is a threaded connection, and a threaded hole adapted to the second bidirectional threaded rod 701 is opened inside the second nut seat 705 .
[0036] In this embodiment, by setting a second bidirectional threaded rod 701 and a second nut seat 705, by driving the second bidirectional threaded rod 701 to rotate, the second nut seat 705 drives the clamping plate 706 to make reverse vertical movement, thereby releasing the clamping state of the clamping plate 706 and the connecting plate 707, realizing the disassembly of the connecting plate 707, and then the rubber pad 601 can be disassembled.
[0037] During use, by setting the rubber pad 601, the clamping pressure of the splint 6 on the bone joint can be reduced, and the patient's comfort can be improved. When the rubber pad 601 needs to be disassembled, the second bevel gear 703 is driven to rotate by rotating the second rotating handle 704, so that the second bevel gear 703 drives the first bevel gear 702 to rotate, and then the first bevel gear 702 drives the second bidirectional threaded rod 701 to rotate, so that the second nut seat 705 drives the clamping plate 706 to make a reverse vertical movement, and the clamping state of the clamping plate 706 and the connecting plate 707 can be released, thereby realizing the disassembly of the rubber pad 601 and facilitating the replacement of the rubber pad 601.
[0038] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.
Claims
1. A bone joint motion assembly and surgical instrument, comprising a U-shaped seat (1), an electric telescopic rod (2), a support plate (3) and a rotating rod (4), characterized in that: The other end of the rotating rod (4) is fixedly connected to the bottom of the supporting plate (5), and a first bidirectional threaded rod (501) is movably provided inside the supporting plate (5), one end of the first bidirectional threaded rod (501) passes through one side of the supporting plate (5) and extends to the outside of the supporting plate (5), and a first rotating handle (502) is fixedly provided at one end of the first bidirectional threaded rod (501), and a first nut seat (503) is movably provided outside the first bidirectional threaded rod (501), and a connecting block (504) is fixedly provided on the top of the first nut seat (503), and the connecting block (504) A clamping plate (6) is fixedly provided on the top, and the clamping plate (6) is movably connected to the rubber pad (601). A mounting groove (7) is provided inside the clamping plate (6), and a second bidirectional threaded rod (701) is movably provided inside the mounting groove (7). A second nut seat (705) is movably provided outside the second bidirectional threaded rod (701), and a clamping plate (706) is fixedly provided on one side of the second nut seat (705). The clamping plate (706) is clamped in the clamping groove of the connecting plate (707), and the connecting plate (707) is fixedly connected to the rubber pad (601).
2. A bone joint motion assembly and surgical instrument according to claim 1, characterized in that: Suction cups (101) are fixedly provided on the left and right sides of the front and rear end walls of the U-shaped seat (1).
3. The bone joint motion assembly and surgical instrument according to claim 1, characterized in that: An electric telescopic rod (2) is fixedly provided on the top of the U-shaped seat (1), and the telescopic end of the electric telescopic rod (2) is fixedly connected to the bottom of the support plate (3).
4. The bone joint motion assembly and surgical instrument according to claim 1, characterized in that: Slide blocks (301) are fixedly provided on both sides of the support plate (3), and slide grooves (302) adapted to the slide blocks (301) are provided on both inner walls of the U-shaped seat (1), and the connection relationship between the slide blocks (301) and the slide grooves (302) is a sliding connection.
5. The bone joint motion assembly and surgical instrument according to claim 1, characterized in that: The top of the support plate (3) is rotatably connected to a rotating rod (4); a first transmission wheel (401) is fixedly provided on the outside of the rotating rod (4); a motor (402) is fixedly provided on the top of the support plate (3); a second transmission wheel (403) is fixedly provided on the outside of an output shaft of the motor (402); and a transmission belt (404) is movably provided on the outside of the first transmission wheel (401) and the second transmission wheel (403).
6. The bone joint motion assembly and surgical instrument according to claim 1, characterized in that: The connection relationship between the first bidirectional threaded rod (501) and the first nut seat (503) is a threaded connection, and a threaded hole adapted to the first bidirectional threaded rod (501) is provided inside the first nut seat (503).
7. The bone joint motion assembly and surgical instrument according to claim 1, characterized in that: A first bevel gear (702) is fixedly provided on the outer surface of the middle portion of the second bidirectional threaded rod (701), a second bevel gear (703) is movably provided on one side of the first bevel gear (702), a second rotating handle (704) is fixedly provided inside the second bevel gear (703), and the connection relationship between the first bevel gear (702) and the second bevel gear (703) is a meshing connection.
8. The bone joint motion assembly and surgical instrument according to claim 1, characterized in that: The connection relationship between the second bidirectional threaded rod (701) and the second nut seat (705) is a threaded connection, and a threaded hole that is compatible with the second bidirectional threaded rod (701) is provided inside the second nut seat (705).