Arm orthopedic reduction fixator convenient to operate

Abstract

The invention provides an arm orthopedic reduction fixator convenient to operate, which comprises a seat base body, a synchronous adjusting mechanism, a first supporting mechanism and a second supporting mechanism, and is characterized in that the synchronous adjusting mechanism comprises a transverse driving rod, a driving motor, a longitudinal driving rod, a first lead screw group, a second lead screw group, a third lead screw group and a fourth lead screw group; a first supporting mechanism is installed on the first lead screw set and the second lead screw set, a second supporting mechanism is connected to the third lead screw set and the fourth lead screw set, two reset clamping mechanisms are arranged on the opposite sides of the first supporting mechanism and the second supporting mechanism respectively, and clamping reset operation is conducted through the reset clamping mechanisms. When the arm of a user is clamped and reset, the gear motor in the reset clamping mechanism drives the driving gear to rotate, and then the driven rack can drive the reset adjusting block to rotate, so that the arm of the user is twisted at a certain angle while being clamped, and the effect of resetting the arm is achieved.

Description

Technical Field

[0001] This invention belongs to the technical field of orthopedic reduction devices, specifically relating to an easy-to-operate orthopedic reduction and fixation device for the arm. Background Technology

[0002] In orthopedic clinics, during the treatment of arm fractures or dislocations, doctors typically have the patient sit in a chair and then, with the help of an assistant or family member, raise the patient's arm parallel to the ground and at a 90° angle to the patient's shoulder. Simultaneously, the assistant or family member must stabilize the patient's arm to prevent movement due to pain during treatment.

[0003] Traditional orthopedic reduction treatment requires at least two medical staff (including one doctor) to complete the treatment. When manually fixing the user's arm, there may be problems such as displacement or asynchronous movement, which will affect the treatment effect and thus the efficacy of arm orthopedic reduction treatment.

[0004] Based on this, an easy-to-use orthopedic reduction and fixation device for the arm is proposed. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide an easy-to-operate orthopedic reduction and fixation device for the arm, in order to address the shortcomings of the prior art mentioned above.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is: an easy-to-operate arm orthopedic reduction and fixation device, including a seat base, a synchronous adjustment mechanism, a first support mechanism and a second support mechanism, wherein a vertical backrest is provided on the seat base, and hollow cavities that communicate with each other are respectively provided in the seat base and the backrest, and a synchronous adjustment mechanism is installed in the hollow cavity; The synchronous adjustment mechanism includes a transverse drive rod, a drive motor, a longitudinal drive rod, a first lead screw group, a second lead screw group, a third lead screw group, and a fourth lead screw group. The transverse drive rod is rotatably connected to the hollow cavity of the seat base and is driven by the drive motor installed in the hollow cavity. Three active bevel gears are installed on the transverse drive rod. The first and second lead screw groups are installed in the hollow cavity of the seat base and are driven by the active bevel gears. A first support mechanism is installed on the first and second lead screw groups. The longitudinal drive rod is installed in the hollow cavity of the backrest and has a driven bevel gear at its bottom end. The driven bevel gear meshes with the active bevel gear. The third and fourth lead screw groups are installed in the hollow cavity of the backrest and are driven by the longitudinal drive rod. A second support mechanism is connected to the third and fourth lead screw groups. Two reset clamping mechanisms are respectively provided on the opposite sides of the first support mechanism and the second support mechanism, and the clamping and reset operation is performed by the reset clamping mechanisms.

[0007] As a further explanation of the present invention, each of the first, second, third, and fourth lead screw groups is rotatably connected to a lead screw via a bearing seat. In the first and second lead screw groups, a driven bevel gear is fixed to the driving end of the lead screw, and the driven bevel gear is meshed with a driving bevel gear on the transverse drive rod. In the third and fourth lead screw groups, a driven gear is fixed to the driving end of the lead screw. Two worm gears are provided on the longitudinal drive rod, and the driven gears of the lead screws in the third and fourth lead screw groups are meshed with the worm gears.

[0008] As a further explanation of the present invention, the first support mechanism includes a first slider, a telescopic cylinder, and a transverse frame. There are two first sliders, which are respectively movably connected in a first lead screw assembly and a second lead screw assembly. Each first slider is also fixed with a telescopic cylinder, which is slidably connected in a limiting groove on the seat base. The transverse frame is fixed to the top of the two telescopic cylinders.

[0009] As a further explanation of the present invention, a fifth lead screw assembly is fixed at the middle section of the transverse frame, and one reset clamping mechanism of the first support mechanism is movably connected to the fifth lead screw assembly, while the other reset clamping mechanism is fixed on the transverse frame.

[0010] As a further explanation of the present invention, the second support mechanism includes a longitudinal frame, a second slider, a connecting seat, a top frame, and an electric actuator. Two second sliders are fixed to the side end of the longitudinal frame, and the two second sliders are respectively movably connected to the third lead screw group and the fourth lead screw group. A connecting seat is fixed to the top of the longitudinal frame, and a top frame is vertically fixed to the side end of the connecting seat. A downward-facing sixth lead screw group is provided inside the top frame. Two electric actuators are provided, one of which is movably connected to the sixth lead screw group, and the other is fixed to the bottom surface of the top frame.

[0011] As a further explanation of the present invention, the telescopic end of the electric actuator is arranged downwards, and the sixth lead screw group is arranged vertically above the fifth lead screw group.

[0012] As a further explanation of the present invention, the reset clamping mechanism includes a connecting end, a support cavity, a driving gear, a reset adjusting block, a driven rack, and clamping wedges. The supporting cavity is provided with a connecting end, through which the reset clamping mechanism is installed and used. The driving gear is rotatably connected inside the supporting cavity, and the driving gear is driven by a gear motor installed inside the supporting cavity. The reset adjusting block is rotatably connected in the middle of the supporting cavity, and a driven rack is fixed on the reset adjusting block near the driving gear. The driving gear and the driven rack are meshed together. Two clamping wedges are rotatably connected inside the reset adjusting block, and clamping operations can be performed through the clamping wedges.

[0013] As a further explanation of the present invention, two semi-circular sponge clamping blocks are movably connected to the clamping wedge block, and two anti-slip sponge pads are attached to the bottom surface of the sponge clamping blocks.

[0014] As a further explanation of the present invention, a vibration and position sensor is also provided on the bottom surface of the reset adjustment block.

[0015] As a further explanation of the present invention, the first support mechanism and the second support mechanism are arranged on the same vertical plane. When the drive motor drives the horizontal drive rod to rotate, the rotation speed of the lead screws in the first lead screw group, the second lead screw group, the third lead screw group and the fourth lead screw group is the same, thereby driving the first support mechanism and the second support mechanism to move synchronously.

[0016] Compared with the prior art, the present invention has the following advantages: This invention features a synchronous adjustment mechanism on the seat base. This mechanism can simultaneously move and adjust two support mechanisms. When the user's arm position needs to be adjusted, the drive motor first drives the horizontal drive rod to rotate, which in turn drives the lead screws in the first, second, third, and fourth lead screw groups of the synchronous adjustment mechanism to rotate synchronously. This, in turn, drives the first and second support mechanisms to move synchronously, thus adjusting the positions of the first and second support mechanisms on the seat base. This makes it easier for users of different body types to reset their arms.

[0017] In this invention, when resetting the user's arm clamp, the user first bends their arm naturally. The telescopic cylinder of the first support mechanism is used to coarsely adjust the height of the two bottom reset clamping mechanisms, ensuring the user's arm is supported by these mechanisms. Then, based on the position to be reset, the position of the reset clamping mechanism connected to the fifth lead screw assembly is adjusted so that the distance between the two reset clamping mechanisms corresponds to the position of the arm to be reset during use. Finally, the distance between the two reset clamping mechanisms on the second support mechanism is adjusted so that the two reset clamping mechanisms on the second support mechanism... The spacing of the clamping mechanism corresponds to the spacing of the two reset clamping mechanisms on the first support mechanism. The screws in the fifth and sixth screw groups are driven by built-in motors. The user's arm is then placed on the sponge clamping block of the reset clamping mechanism on the first support mechanism. After the vibration and position sensors detect the arm signal, they control the electric push rod to press down, which in turn controls the two reset clamping mechanisms on the second support mechanism to descend and clamp the user's arm. During the clamping process, the clamping wedge and sponge clamping block can adaptively rotate to match the curvature of the arm, making the arm clamping stable and reducing user discomfort.

[0018] When repositioning the tendons and bones of a user's arm, the present invention drives the active gear to rotate through the gear motor in the repositioning clamping mechanism, which in turn drives the repositioning adjustment block to rotate through the driven rack, so that the user's arm twists at a certain angle while being clamped, thereby achieving the effect of arm repositioning. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a side view of the overall structure of the present invention; Figure 3 This is a schematic diagram of the synchronous adjustment mechanism of the present invention; Figure 4 This is a schematic diagram of the reset clamping mechanism of the present invention.

[0020] Explanation of reference numerals in the attached figures: 1-Seat base; 11-Backrest; 12-Support leg; 13-Limiting groove; 2-Synchronous adjustment mechanism; 21-Transverse drive rod; 22-Drive motor; 23-Active bevel gear; 24-Vertical drive rod; 25-First lead screw assembly; 26-Second lead screw assembly; 27-Third lead screw assembly; 28-Fourth lead screw assembly; 3-First support mechanism; 31-First slider; 32-Telescopic cylinder; 33-Transverse frame; 34-Fifth lead screw assembly; 4-Second support mechanism; 41-Vertical frame; 42-Second slider; 43-Connecting seat; 44-Top frame; 45-Electric push rod; 46-Sixth lead screw assembly; 5-Reset clamping mechanism; 51-Connecting end; 52-Support cavity; 53-Active gear; 54-Reset adjustment block; 55-Driven rack; 56-Clamping wedge; 57-Sponge clamping block; 58-Anti-slip sponge pad; 59-Vibration and position sensor. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] like Figures 1-4 As shown, the present invention provides a technical solution: an easy-to-operate arm orthopedic reduction and fixation device, including a seat base 1, a synchronous adjustment mechanism 2, a first support mechanism 3 and a second support mechanism 4. The bottom end of the seat base 1 is provided with four support legs 12 for supporting the seat base 1.

[0023] The seat base 1 is provided with a vertical backrest 11, and the seat base 1 and the backrest 11 are respectively provided with interconnected hollow cavities, and a synchronous adjustment mechanism 2 is installed in the hollow cavity. The synchronous adjustment mechanism 2 includes a transverse drive rod 21, a drive motor 22, a longitudinal drive rod 24, a first lead screw assembly 25, a second lead screw assembly 26, a third lead screw assembly 27, and a fourth lead screw assembly 28. The transverse drive rod 21 is rotatably connected to the hollow cavity of the seat base 1 and is driven by the drive motor 22 installed in the hollow cavity. Three active bevel gears 23 are installed on the transverse drive rod 21. The first lead screw assembly 25 and the second lead screw assembly 26 are installed in the hollow cavity of the seat base 1 and are driven by two active bevel gears 23 on the side of the transverse drive rod 21 away from the drive motor 22.

[0024] A first support mechanism 3 is installed on the first lead screw assembly 25 and the second lead screw assembly 26. The longitudinal drive rod 24 is installed in the hollow cavity of the backrest 11. A driven bevel gear is provided at the bottom end of the longitudinal drive rod 24. The driven bevel gear is meshed with another driving bevel gear 23. The longitudinal drive rod 24 can be rotated by the rotation of the transverse drive rod 21.

[0025] The first support mechanism 3 includes a first slider 31, a telescopic cylinder 32, and a transverse frame 33. There are two first sliders 31, which are respectively movably connected to the first lead screw assembly 25 and the second lead screw assembly 26. The first lead screw assembly 25 and the second lead screw assembly 26 can drive the movement of the first slider 31. The telescopic cylinder 32 is also fixed on the first slider 31, so that the movement of the first slider 31 can synchronously drive the telescopic cylinder 32 to move, thereby completing the synchronous adjustment operation.

[0026] The telescopic cylinder 32 is slidably connected to the limiting groove 13 on the seat base 1. The telescopic cylinder 32 is a two-stage telescopic mechanism. The height of the lowest clamping end can be adjusted through the telescopic cylinder 32, which is convenient for users of different heights and body types.

[0027] The horizontal frame 33 is fixed to the top of the two telescopic cylinders 32. A fifth lead screw assembly 34 is fixed at the middle section of the horizontal frame 33. One of the reset clamping mechanisms 5 in the first support mechanism 3 is movably connected to the fifth lead screw assembly 34. The fifth lead screw assembly 34 can drive the adjustment of the position of the reset clamping mechanism 5, so that the spacing between the reset clamping mechanisms 5 can be flexibly adjusted according to the user's arm length, which is convenient to expand the scope of application and the applicable group. The other reset clamping mechanism 5 is fixed on the horizontal frame 33. The two reset clamping mechanisms 5 are used in conjunction with each other.

[0028] The third lead screw assembly 27 and the fourth lead screw assembly 28 are installed in the hollow cavity of the backrest 11, and the third lead screw assembly 27 and the fourth lead screw assembly 28 are driven by the longitudinal drive rod 24. The third lead screw assembly 27 and the fourth lead screw assembly 28 are connected to the second support mechanism 4.

[0029] Each of the first lead screw group 25, the second lead screw group 26, the third lead screw group 27, and the fourth lead screw group 28 has a lead screw rotatably connected to it via a bearing seat. The drive end of the lead screw in the first lead screw group 25 and the second lead screw group 26 is fixed with a driven bevel gear, which meshes with the drive bevel gear 23 on the transverse drive rod 21. The drive end of the lead screw in the third lead screw group 27 and the fourth lead screw group 28 is fixed with a driven gear. Two worm gears are provided on the longitudinal drive rod 24, and the driven gears of the lead screws in the third lead screw group 27 and the fourth lead screw group 28 mesh with the worm gears.

[0030] The first support mechanism 3 and the second support mechanism 4 are arranged on the same vertical plane. When the drive motor 22 drives the horizontal drive rod 21 to rotate, the rotation speed of the lead screws in the first lead screw group 25, the second lead screw group 26, the third lead screw group 27 and the fourth lead screw group 28 is the same, so that the first support mechanism 3 and the second support mechanism 4 can move synchronously.

[0031] The second support mechanism 4 includes a longitudinal frame 41, a second slider 42, a connecting seat 43, a top frame 44, and an electric actuator 45. Two second sliders 42 are fixed to the side end of the longitudinal frame 41. The two second sliders 42 are movably connected to the third lead screw group 27 and the fourth lead screw group 28, respectively. The top end of the longitudinal frame 41 is fixed to the connecting seat 43. The side end of the connecting seat 43 is vertically fixed to the top frame 44. A downward-facing sixth lead screw group 46 is provided inside the top frame 44. Two electric actuators 45 are provided. One electric actuator 45 is movably connected to the sixth lead screw group 46, and the other electric actuator 45 is fixed to the bottom surface of the top frame 44.

[0032] The telescopic end of the electric push rod 45 is set downwards, and the sixth lead screw group 46 is set vertically above the fifth lead screw group 34. The two electric push rods 45 can drive the reset clamping mechanism 5 to press down, thereby cooperating with the two reset clamping mechanisms 5 on the first support mechanism 3 to perform clamping and reset operations.

[0033] The reset clamping mechanism 5 includes a connecting end 51, a support cavity 52, a drive gear 53, a reset adjusting block 54, a driven rack 55, and clamping wedges 56. The supporting cavity 52 is provided with the connecting end 51, which completes the installation and use of the reset clamping mechanism 5. The drive gear 53 is rotatably connected inside the supporting cavity 52. ​​The drive gear 53 is driven by a gear motor installed inside the supporting cavity 52. ​​The reset adjusting block 54 is rotatably connected in the middle of the supporting cavity 52. ​​The driven rack 55 is fixed on the reset adjusting block 54 near the drive gear 53. The drive gear 53 and the driven rack 55 are meshed together. Two clamping wedges 56 are rotatably connected inside the reset adjusting block 54, which can perform clamping operations.

[0034] Two semi-circular sponge clamping blocks 57 are movably connected to the clamping wedge block 56, and two anti-slip sponge pads 58 are attached to the bottom surface of the sponge clamping block 57.

[0035] The bottom surface of the reset adjustment block 54 is also provided with a vibration and position sensor 59.

[0036] In practical use, when it is necessary to adjust the fixed position of the user's arm, the drive motor 22 first drives the horizontal drive rod 21 to rotate, which in turn drives the lead screws in the first lead screw group 25, the second lead screw group 26, the third lead screw group 27 and the fourth lead screw group 28 to rotate synchronously. The synchronous rotation of the first lead screw group 25, the second lead screw group 26, the third lead screw group 27 and the fourth lead screw group 28 can drive the first slider 31 and the second slider 42 to move synchronously, thereby driving the first support mechanism 3 and the second support mechanism 4 to move synchronously. This allows the position of the first support mechanism 3 and the second support mechanism 4 on the seat base 1 to be adjusted, thus facilitating the arm reset of users of different body types.

[0037] When resetting the user's arm clamp, first let the user bend their arm naturally. Use the telescopic cylinder 32 of the first support mechanism 3 to make a rough adjustment to the height of the two reset clamping mechanisms 5 at the bottom, so that the user's arm can be supported by the two reset clamping mechanisms 5 at the bottom. Then, adjust the position of the reset clamping mechanism 5 connected to the fifth lead screw group 34 in the two reset clamping mechanisms 5 at the bottom according to the position to be reset, so that the distance between the two reset clamping mechanisms 5 corresponds to the position of the arm to be reset during use. Then the spacing between the two reset clamping mechanisms 5 on the second support mechanism 4 is adjusted so that the spacing between the two reset clamping mechanisms 5 on the second support mechanism 4 corresponds to the spacing between the two reset clamping mechanisms 5 on the first support mechanism 3. The lead screws in the fifth lead screw group 34 and the sixth lead screw group 46 are driven by built-in motors. Then, the user's arm is placed again on the sponge clamping block 57 of the reset clamping mechanism 5 on the first support mechanism 3. After the vibration and position sensor 59 detects the arm signal, it controls the electric push rod 45 to press down, so that the electric push rod 45 controls the two reset clamping mechanisms 5 on the second support mechanism 4 to descend and clamp the user's arm. During the clamping process, the clamping wedge block 56 and the sponge clamping block 57 can adaptively rotate to match the curvature of the arm, so that the arm is clamped stably and the user's discomfort is reduced.

[0038] When the doctor repositions the tendons and bones in the user's arm, the user's arm will be twisted at a certain angle. At this time, the gear motor in the repositioning clamping mechanism 5 drives the active gear 53 to rotate, which in turn drives the repositioning adjustment block 54 to rotate through the driven rack 55, so that the user's arm is twisted at a certain angle while being clamped, thus achieving the effect of arm repositioning.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0040] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An easy-to-use orthopedic reduction and fixation device for the arm, characterized in that: It includes a seat base (1), a synchronous adjustment mechanism (2), a first support mechanism (3) and a second support mechanism (4). A vertical backrest (11) is provided on the seat base (1). Hollow cavities that communicate with each other are provided in the seat base (1) and the backrest (11). The synchronous adjustment mechanism (2) is installed in the hollow cavity. The synchronous adjustment mechanism (2) includes a transverse drive rod (21), a drive motor (22), a longitudinal drive rod (24), a first lead screw assembly (25), a second lead screw assembly (26), a third lead screw assembly (27), and a fourth lead screw assembly (28). The transverse drive rod (21) is rotatably connected to the hollow cavity of the seat base (1), and the transverse drive rod (21) is driven by the drive motor (22) installed in the hollow cavity. Three active bevel gears (23) are installed on the transverse drive rod (21). The first lead screw assembly (25) and the second lead screw assembly (26) are installed in the hollow cavity of the seat base (1). The first lead screw assembly (25) and the second lead screw assembly (26) are driven by the drive motor (22) installed in the hollow cavity of the seat base (1). Driven by an active bevel gear (23), a first support mechanism (3) is installed on the first lead screw assembly (25) and the second lead screw assembly (26). The longitudinal drive rod (24) is installed in the hollow cavity of the backrest (11). A driven bevel gear is provided at the bottom end of the longitudinal drive rod (24). The driven bevel gear is meshed with the active bevel gear (23). The third lead screw assembly (27) and the fourth lead screw assembly (28) are installed in the hollow cavity of the backrest (11). The third lead screw assembly (27) and the fourth lead screw assembly (28) are driven by the longitudinal drive rod (24). A second support mechanism (4) is connected to the third lead screw assembly (27) and the fourth lead screw assembly (28). Two reset clamping mechanisms (5) are respectively provided on the opposite sides of the first support mechanism (3) and the second support mechanism (4), and the clamping and reset operation is performed by the reset clamping mechanism (5).

2. The easy-to-operate orthopedic reduction and fixation device for the arm according to claim 1, characterized in that, The first lead screw group (25), the second lead screw group (26), the third lead screw group (27) and the fourth lead screw group (28) are respectively rotatably connected to lead screws through bearing seats. The drive end of the lead screw in the first lead screw group (25) and the second lead screw group (26) is fixed with a driven bevel gear. The driven bevel gear is meshed with the drive bevel gear (23) on the transverse drive rod (21). The drive end of the lead screw in the third lead screw group (27) and the fourth lead screw group (28) is fixed with a driven gear. Two worm gears are provided on the longitudinal drive rod (24). The driven gears of the lead screws in the third lead screw group (27) and the fourth lead screw group (28) are meshed with the worm gears.

3. The easy-to-operate orthopedic reduction and fixation device for the arm according to claim 1, characterized in that, The first support mechanism (3) includes a first slider (31), a telescopic cylinder (32) and a transverse frame (33). There are two first sliders (31), which are movably connected in the first lead screw group (25) and the second lead screw group (26) respectively. The first slider (31) is also fixed with a telescopic cylinder (32), which is slidably connected in the limiting groove (13) on the seat base (1). The transverse frame (33) is fixed at the top of the two telescopic cylinders (32).

4. The easy-to-operate orthopedic reduction and fixation device for the arm according to claim 3, characterized in that, The fifth lead screw assembly (34) is fixed at the middle section of the transverse frame (33). One of the reset clamping mechanisms (5) in the first support mechanism (3) is movably connected to the fifth lead screw assembly (34), and the other reset clamping mechanism (5) is fixed to the transverse frame (33).

5. The easy-to-operate orthopedic reduction and fixation device for the arm according to claim 3, characterized in that, The second support mechanism (4) includes a longitudinal frame (41), a second slider (42), a connecting seat (43), a top frame (44), and an electric actuator (45). Two second sliders (42) are fixed to the side end of the longitudinal frame (41). The two second sliders (42) are movably connected in the third lead screw group (27) and the fourth lead screw group (28), respectively. A connecting seat (43) is fixed to the top of the longitudinal frame (41). The top frame (44) is vertically fixed to the side end of the connecting seat (43). A downward-facing sixth lead screw group (46) is provided in the top frame (44). There are two electric actuators (45). One electric actuator (45) is movably connected in the sixth lead screw group (46), and the other electric actuator (45) is fixed on the bottom surface of the top frame (44).

6. The easy-to-operate orthopedic reduction and fixation device for the arm according to claim 5, characterized in that, The telescopic end of the electric actuator (45) is set downwards, and the sixth lead screw assembly (46) is set vertically above the fifth lead screw assembly (34).

7. The easy-to-operate orthopedic reduction and fixation device for the arm according to claim 1, characterized in that, The reset clamping mechanism (5) includes a connecting end (51), a support cavity (52), a drive gear (53), a reset adjustment block (54), a driven rack (55), and clamping wedges (56). The support cavity (52) is provided with a connecting end (51), through which the reset clamping mechanism (5) is installed and used. The drive gear (53) is rotatably connected inside the support cavity (52), and the drive gear (53) is driven by a gear motor installed inside the support cavity (52). The reset adjustment block (54) is rotatably connected in the middle of the support cavity (52), and a driven rack (55) is fixed on the reset adjustment block (54) near the drive gear (53). The drive gear (53) and the driven rack (55) are meshed together. Two clamping wedges (56) are rotatably connected inside the reset adjustment block (54), through which clamping operations can be performed.

8. The easy-to-operate orthopedic reduction and fixation device for the arm according to claim 7, characterized in that, Two semi-circular sponge clamping blocks (57) are movably connected to the clamping wedge (56), and two anti-slip sponge pads (58) are pasted on the bottom surface of the sponge clamping block (57).

9. The easy-to-operate orthopedic reduction and fixation device for the arm according to claim 7, characterized in that, The bottom surface of the reset adjustment block (54) is also provided with a vibration and position sensor (59).

10. The easy-to-operate orthopedic reduction and fixation device for the arm according to claim 1, characterized in that, The first support mechanism (3) and the second support mechanism (4) are set on the same vertical plane. When the drive motor (22) drives the horizontal drive rod (21) to rotate, the rotation speed of the screws in the first screw group (25), the second screw group (26), the third screw group (27) and the fourth screw group (28) is the same, so that the first support mechanism (3) and the second support mechanism (4) can move synchronously.

Images