Screw dismounting and mounting device for orthopedics department

By designing an orthopedic disassembly and assembly screw device including a support plate, a fixed base, a set screw, an adjustment bracket, a fixed clamping plate, a slide, a movable clamping plate and a screw rod, the existing tools are difficult to operate and easily cause deviation or The problem of slipping is eliminated, which enables stable disassembly and installation of screws and saves time and effort.

CN222357635UActive Publication Date: 2025-01-17WANNAN MEDICAL UNIVERSITY
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Patent Information

Application Number
CN202420965964.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-07
Publication Date
2025-01-17
Estimated Expiration
2034-05-07

AI Technical Summary

Technical Problem

In orthopedic treatment, existing screw disassembly and assembly tools are difficult to operate, which can easily lead to deviation or slide, causing damage to the bone surface, and excessive force may lead to bone cracks or bone fragments, causing trouble to patients and medical staff.

Method used

An orthopedic disassembly and assembly screw device is designed, including a support plate, a fixed seat, a set screw, an adjusting bracket, a fixed clamping plate, a chute, a movable clamping plate and a screw rod. Through the combined use of the adjusting bracket and the turntable mechanism, the disassembly is realized. Flexible adjustment and stable fixation of components to avoid shifting and slipping.

Benefits of technology

This device realizes flexible adjustment and stable fixation of disassembled components through the combination of adjusting bracket and turntable mechanism, avoiding deviation and slipping. It is simple to operate, saves time and effort in disassembly and assembly, and reduces the risk of damage to the bone surface.

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Abstract

The utility model belongs to the technical field of the orthopedics department, and particularly relates to an orthopedics department screw dismounting and mounting device which comprises a supporting plate, a fixing base, a set screw, an adjusting support, a fixed clamping plate, a sliding groove, a movable clamping plate and a screw rod. During use, the position of the adjusting support in the horizontal direction is adjusted through the arranged adjusting support, and the pitching position of the rotating disc mechanism on the adjusting support can be adjusted through movable connection of the upper connecting frame, the lower connecting frame, the rotating base and the connecting base. The rotating disc mechanism can rotate through movable connection of the rotating disc mechanism and the shaft seat, so that the angle of the dismounting assembly on the rotating disc mechanism is adjusted, the dismounting assembly is supported and fixed, meanwhile, flexible adjustment can be carried out according to the use requirement, the dismounting device is suitable for dismounting screws at different positions, manual handheld dismounting operation is replaced, and the dismounting efficiency is improved. And in the dismounting and mounting process, good stability is achieved, and deviation and sliding are prevented.
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Description

Technical Field

[0001] The utility model belongs to the technical field of orthopedics, and in particular relates to an orthopedic screw disassembly and assembly device. Background Art

[0002] Orthopedics is one of the most common departments in major hospitals. It mainly studies the anatomy, physiology and pathology of the skeletal muscle system, and uses drugs, surgery and physical methods to maintain and develop the normal form and function of this system. In the process of orthopedic treatment, screws are needed for bone connection, and disassembly and assembly devices are needed when driving the screws.

[0003] At present, when screw-bone connection is performed in orthopedics, medical staff usually use screw removal devices to remove and install the screws. Due to the different tightness required for removal and installation, the screws are prone to deviation or slippage when greater force is applied, which can easily cause damage to the surrounding bone surface and the human body. At the same time, the screw removal tools commonly used in orthopedics are difficult to operate. When encountering tightly installed screws, it is time-consuming and laborious to remove and install them. Sometimes, excessive force may even cause bone fractures or bone breakage, which not only causes great pain to patients, but also causes great trouble to the work of medical staff.

[0004] Based on this, the utility model designs an orthopedic screw disassembly and assembly device to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the prior art and proposes an orthopedic screw disassembly and assembly device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an orthopedic screw disassembly and assembly device, comprising a support plate, a fixed seat, a set screw, an adjustment bracket, a fixed clamping plate, a slide groove, a movable clamping plate and a screw rod, a fixed seat is fixedly installed on one side of the upper end of the support plate by two set screws, an adjustment bracket is movably installed on the fixed seat, the adjustment bracket comprises a rotating seat, a fastener, an upper connecting frame, a lower connecting frame, a connecting seat, a connecting plate, a sleeve, an axle seat and a turntable mechanism, a column is provided at the lower end of the rotating seat and the column is movably arranged in the fixed seat, and a fastener is threadedly connected to the lower end of the rotating seat.

[0007] As an optimal technical solution of the utility model, an upper connecting frame and a lower connecting frame are movably connected to the rotating seat, the upper ends of the upper connecting frame and the lower connecting frame are connected to the connecting seat, the connecting seat is connected to a connecting plate, the front end of the connecting plate is connected to a sleeve, the sleeve is connected to an axle seat, a limiting block is arranged at the center of the front end of the axle seat, and the limiting block is connected to a turntable mechanism.

[0008] As a preferred technical solution of the utility model, the turntable mechanism includes a disk body, a fixed plate, a fastening knob and a threaded seat, the disk body is symmetrically fixedly connected with the fixed plates, a threaded seat is connected between the two fixed plates, a disassembly assembly is spirally connected in the threaded seat, and the fastening knob is spirally connected at the center of the disk body.

[0009] As a preferred technical solution of the utility model, the disassembly assembly includes a threaded rod, a rotating hand rod, a magnetic seat and a screwdriver head. The threaded rod is spirally connected in the threaded seat, the rotating hand rod is fixedly connected to the upper end of the rotating hand rod, the magnetic seat is arranged at the lower end of the threaded rod, and a screwdriver head is magnetically connected in the magnetic seat.

[0010] As a preferred technical solution of the utility model, two upper and lower fixed clamping plates are provided on the right side of the lower end of the support plate, and a sliding groove is provided on the support plate between the two fixed clamping plates.

[0011] As a preferred technical solution of the utility model, a screw rod is rotatably connected between the two fixed clamping plates, and a movable clamping plate is spirally connected to the screw rod.

[0012] As a preferred technical solution of the utility model, the left end of the movable clamping plate is slidably connected in the sliding groove through a sliding block, and the bottom end of the screw rod passes through the fixed clamping plate at the lower end and is fixedly connected to the rotating handle.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. When the utility model is in use, the rotating seat can be rotated by loosening the fastener downwards to adjust the horizontal position of the adjustment bracket, and the pitch position of the turntable mechanism on the adjustment bracket can be adjusted by the active connection between the upper connecting frame and the lower connecting frame and the rotating seat and the connecting seat. The connecting plate movably connected on the connecting seat can fine-tune the horizontal angle of the turntable mechanism, and the pitch angle of the turntable mechanism can be fine-tune by connecting the sleeve with the shaft seat, and the turntable mechanism can be rotated by the active connection between the turntable mechanism and the shaft seat, so as to adjust the angle of the disassembly component on the turntable mechanism, so as to realize the support and fixation of the disassembly component and the flexible adjustment according to the use requirements, so as to be suitable for the disassembly and assembly of screws in different positions, replace the manual handheld disassembly and assembly operation, and have good stability during the disassembly and assembly process to prevent it from deflecting and slipping.

[0015] 2. When the utility model is in use, the screw rod is driven to rotate as a whole by rotating the rotating handle, and the movable clamping plate spirally connected to the screw rod is moved upward by the rotation of the screw rod, so as to clamp and fix the support plate. When disassembling and using, after adjusting the position of the disassembly component by adjusting the bracket, the threaded rod is driven to rotate in the threaded seat by rotating the hand rod, so that it can be raised and lowered while the screw is disassembled and assembled. The operation is simple, and the disassembly and assembly is time-saving and labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] 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:

[0017] Figure 1 It is a schematic diagram of the overall side view structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall front view structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the adjustment bracket of the utility model;

[0020] Figure 4 This is a schematic diagram of the explosion structure of the adjustment bracket of the utility model;

[0021] Figure 5 This is a schematic diagram of the turntable mechanism structure of the utility model;

[0022] Figure 6 It is a schematic diagram of the disassembly component structure of the utility model.

[0023] In the figure: 1. support plate; 2. fixed seat; 3. set screw; 4. adjustment bracket; 401. rotating seat; 402. fastener; 403. upper connecting frame; 404. lower connecting frame; 405. connecting seat; 406. connecting plate; 407. sleeve; 408. shaft seat; 4081. limit block; 409. turntable mechanism; 4091. disk body; 4092. fixed plate; 4093. tightening knob; 4094. threaded seat; 5. fixed card plate; 6. slide groove; 7. movable card plate; 8. screw; 801. rotating handle; 9. disassembly assembly; 901. threaded rod; 902. rotating hand lever; 903. magnetic seat; 904. screwdriver head. DETAILED DESCRIPTION

[0024] The following will be combined with the attached embodiment of the utility model Figure 1-6, clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example

[0026] Please refer to Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 The utility model provides the following technical solutions: an orthopedic screw disassembly and assembly device, comprising a support plate 1, a fixed seat 2, a set screw 3, an adjustment bracket 4, a fixed clamping plate 5, a slide groove 6, a movable clamping plate 7 and a screw 8. A fixed seat 2 is fixedly installed on one side of the upper end of the support plate 1 through two set screws 3, and an adjustment bracket 4 is movably installed on the fixed seat 2. The adjustment bracket 4 includes a rotating seat 401, a fastener 402, an upper connecting frame 403, a lower connecting frame 404, a connecting seat 405, a connecting plate 406, a sleeve 407, an axle seat 408 and a turntable mechanism 409. A column is provided at the lower end of the rotating seat 401 and the column is movably arranged in the fixed seat 2. The lower end of the rotating seat 401 is threadedly connected with the fastener 402.

[0027] An upper connecting frame 403 and a lower connecting frame 404 are movably connected to the rotating seat 401, and the upper ends of the upper connecting frame 403 and the lower connecting frame 404 are connected to the connecting seat 405. The connecting seat 405 is connected to a connecting plate 406, and the front end of the connecting plate 406 is connected to a sleeve 407, and the sleeve 407 is connected to an axle seat 408. A limit block 4081 is arranged at the center of the front end of the axle seat 408, and the limit block 4081 is connected to a turntable mechanism 409.

[0028] The turntable mechanism 409 includes a disk body 4091, a fixed plate 4092, a tightening knob 4093 and a threaded seat 4094. The fixed plates 4092 are symmetrically fixedly connected to the disk body 4091, a threaded seat 4094 is connected between the two fixed plates 4092, a disassembly component 9 is spirally connected inside the threaded seat 4094, and the tightening knob 4093 is spirally connected at the center of the disk body 4091.

[0029] The disassembly assembly 9 includes a threaded rod 901, a rotating handle bar 902, a magnetic seat 903 and a screwdriver head 904. The threaded rod 901 is spirally connected in the threaded seat 4094, the rotating handle bar 902 is fixedly connected to the upper end of the rotating handle bar 902, the magnetic seat 903 is arranged at the lower end of the threaded rod 901, and the screwdriver head 904 is magnetically connected in the magnetic seat 903.

[0030] By connecting the disassembly component 9 with the threaded seat 4094, the screws can be disassembled and assembled with less effort and with more uniform force. At the same time, the disassembly component 9 can always remain in the same position during the disassembly process, so that the disassembly process has good stability, preventing it from shifting and slipping, and avoiding accidental injuries.

[0031] Please refer to Figure 1 and Figure 3 Two upper and lower fixed clamping plates 5 are provided on the right side of the lower end of the support plate 1 , and a slide groove 6 is provided on the support plate 1 between the two fixed clamping plates 5 .

[0032] A screw rod 8 is rotatably connected between the two fixed clamping plates 5 , and a movable clamping plate 7 is spirally connected to the screw rod 8 .

[0033] The left end of the movable clamping plate 7 is slidably connected in the sliding groove 6 through a slider, and the bottom end of the screw rod 8 passes through the fixed clamping plate 5 at the lower end and is fixedly connected to the rotating handle 801.

[0034] The movable clamping plate 7 provided between the two fixed clamping plates 5 can be used to clamp and fix the device, which is convenient for installation and disassembly of the device when it is used.

[0035] The working principle and use process of the utility model are as follows: during specific use, the support plate 1 is fixed to the railing or bed board of the hospital bed through the fixed clamping plate 5 and the movable clamping plate 7 that can be adjusted movably, and then the fastener 402 is loosened downward to adjust the horizontal position of the adjustment bracket 4, and then the horizontal and pitch positions of the disassembly component 9 on the adjustment bracket 4 are adjusted and fixed according to the position of the bolts to be disassembled or installed as needed, so that the screwdriver head 904 on the disassembly component 9 is in conflict with the screw. After the adjustment is completed, the disassembly component 9 is driven to rotate as a whole in the threaded seat 4094 by rotating the hand lever 902, and the disassembly and assembly of the screw is realized by screwing the disassembly component 9 in or out.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An orthopedic screw disassembly and assembly device, comprising a support plate (1), a fixing seat (2), a set screw (3), an adjustment bracket (4), a fixed clamping plate (5), a slide groove (6), a movable clamping plate (7) and a screw rod (8), characterized in that: A fixed seat (2) is fixedly mounted on one side of the upper end of the support plate (1) by means of two set screws (3); an adjustment bracket (4) is movably mounted on the fixed seat (2); the adjustment bracket (4) comprises a rotating seat (401), a fastener (402), an upper connecting frame (403), a lower connecting frame (404), a connecting seat (405), a connecting plate (406), a sleeve (407), an axle seat (408) and a turntable mechanism (409); a column is provided at the lower end of the rotating seat (401) and the column is movably arranged in the fixed seat (2); and the fastener (402) is threadedly connected to the lower end of the rotating seat (401).

2. The orthopedic screw disassembly and assembly device according to claim 1, characterized in that: The rotating seat (401) is movably connected with an upper connecting frame (403) and a lower connecting frame (404); the upper ends of the upper connecting frame (403) and the lower connecting frame (404) are connected to a connecting seat (405); a connecting plate (406) is connected to the connecting seat (405); a sleeve (407) is connected to the front end of the connecting plate (406); an axle seat (408) is connected to the sleeve (407); a limit block (4081) is arranged at the center of the front end of the axle seat (408); and a turntable mechanism (409) is connected to the limit block (4081).

3. The orthopedic screw disassembly and assembly device according to claim 1, characterized in that: The turntable mechanism (409) comprises a disk body (4091), a fixing plate (4092), a tightening knob (4093) and a threaded seat (4094); the fixing plates (4092) are symmetrically fixedly connected to the disk body (4091); a threaded seat (4094) is connected between the two fixing plates (4092); a disassembly component (9) is spirally connected inside the threaded seat (4094); and the tightening knob (4093) is spirally connected at the center of the disk body (4091).

4. The orthopedic screw disassembly and assembly device according to claim 3, characterized in that: The disassembly assembly (9) comprises a threaded rod (901), a rotating handle (902), a magnetic seat (903) and a screwdriver head (904); the threaded rod (901) is spirally connected in the threaded seat (4094); the rotating handle (902) is fixedly connected to the upper end of the rotating handle (902); the magnetic seat (903) is arranged at the lower end of the threaded rod (901); and the screwdriver head (904) is magnetically connected in the magnetic seat (903).

5. The orthopedic screw disassembly and assembly device according to claim 1, characterized in that: Two upper and lower fixed clamping plates (5) are provided on the right side of the lower end of the support plate (1), and a sliding groove (6) is provided on the support plate (1) between the two fixed clamping plates (5).

6. The orthopedic screw disassembly and assembly device according to claim 5, characterized in that: A screw rod (8) is rotatably connected between the two fixed clamping plates (5), and a movable clamping plate (7) is spirally connected to the screw rod (8).

7. The orthopedic screw disassembly and assembly device according to claim 6, characterized in that: The left end of the movable clamping plate (7) is slidably connected in the sliding groove (6) via a slider, and the bottom end of the screw rod (8) passes through the fixed clamping plate (5) at the lower end and is fixedly connected to the rotating handle (801).