Traction device for bone surgery

By designing an orthopedic traction device with adaptive components, fixing components and stretching components, the problem that existing devices cannot adapt to different finger lengths is solved, and all-round traction and stretching of fingers and knuckles is achieved, improving the detail and applicability of treatment.

CN119925058APending Publication Date: 2025-05-06QINGDAO CITY CHENGYANG DISTRICT PEOPLES HOSPITAL
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Patent Information

Application Number
CN202510100578.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-05-06

AI Technical Summary

Technical Problem

The existing orthopedic traction devices are designed based on standardized sizes and cannot be perfectly adapted to patients with different finger or toe lengths, resulting in insufficient or excessive traction and neglecting the treatment of knuckles.

Method used

An orthopedic traction device is designed, including an adaptive assembly, a fixing assembly and a stretching assembly. The adaptive assembly adapts to the palm arc through a flexible limiting plate and an elastic rope, the fixed block group realizes the adaptation of different finger lengths through a tensile cloth strip and a coil spring, and the tension assembly realizes the autonomous control of the traction strength through a draw rope and a rotating shaft.

Benefits of technology

The device can adapt to patients with different finger lengths, improves applicability and treatment details, reduces the cost of hospitals to purchase medical equipment, realizes all-round traction and stretching of fingers and knuckles, and promotes the recovery of finger function.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of medical orthopedics, and provides an orthopedic surgery traction device which comprises a support, a first fixing rod and a second fixing rod are fixedly connected to the two sides of the bottom of the support respectively, clamping blocks are fixedly connected to the two sides of the first fixing rod, a fixing assembly is arranged on the first fixing rod, and a stretching assembly is arranged at the top of the support. A self-adaptive assembly is arranged on one side of the bracket; a stretching cloth strip is pulled in the moving process of a fixing block, so that the device can adapt to patients with different finger lengths, the applicability of the device is improved, and the cost of a hospital for purchasing medical equipment is reduced; after wearing, a patient can independently rotate the handle, the patient can conveniently control the traction strength according to the self condition, the knuckles of the patient are subjected to traction stretching through the two stretching cloth strips under the resilience tension of the coil spring, all-directional traction stretching of the fingers and the knuckles is achieved, the details and pertinence of treatment are enhanced, and the treatment effect is improved. And the recovery of the finger function can be accelerated.
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Description

Technical Field

[0001] The invention relates to the technical field of medical orthopedics, in particular to an orthopedic traction device. Background Art

[0002] In the field of orthopedics, traction devices play a vital role, especially in the rehabilitation of fingers and toes.

[0003] Existing traction devices are often designed based on a standardized size or size range, which results in that in actual applications, the fingers or toes of many patients cannot perfectly fit the device. For patients with shorter fingers or toes, the device is too loose and cannot provide sufficient traction, while for patients with longer fingers or toes, the device may be too tight and even cause discomfort or injury. In addition, fingers are composed of multiple joints, and existing devices often only pull the entire finger and ignore the treatment of the joints.

[0004] In order to solve the above problems, a bone surgery traction device is needed. Summary of the invention

[0005] The present invention provides an orthopedic traction device to solve the problems raised in the background technology.

[0006] The technical solution of the present invention is as follows:

[0007] A bone surgery traction device comprises: a bracket, wherein two sides of the bottom of the bracket are respectively fixedly connected with a fixing rod 1 and a fixing rod 2, two sides of the fixing rod 1 are fixedly connected with clamping blocks, a fixing assembly is arranged on the fixing rod 1, a stretching assembly is arranged on the top of the bracket, and an adaptive assembly is arranged on one side of the bracket;

[0008] The adaptive component includes a finger sleeve arranged on one side of the bracket, and four square grooves are opened at the bottom of the finger sleeve, and a fixed block group is arranged in the square groove. There are two groups of fixed block groups in total, and the fixed block groups are arranged in parallel. The bottom of the fixed block group at the bottom is slidably connected with a flexible limiting plate, which can adapt to the curvature of the patient's palm, and the bottom of the flexible limiting plate is fixedly connected with an elastic rope, and the bottom of the elastic rope is provided with Velcro.

[0009] Furthermore, the fixing assembly includes a rotating block slidably connected to the fixing rod 1, the rotating block is rotatably connected to the connecting rod 1, the rotating block is rotatably connected to the connecting rod 2, the connecting rod 2 is on one side of the connecting rod 1, the connecting rod 1 and the connecting rod 2 are rotatably connected to the limiting block 1 at one end away from the rotating block, the middle part of the connecting rod 2 is fixedly connected to a clamping block, and the clamping block is rotatably connected to a pull rod at one end away from the connecting rod 1.

[0010] Furthermore, a slot 1 is provided on the rotating block at a position connected to the fixing rod 1, and the size of the slot 1 is the same as the size of the block. When the direction of the object to be fixed is vertical, the rotating block is slid toward the end of the fixing rod 1 away from the bracket, so that the slot 1 is separated from the block, and then the rotating block is rotated to a vertical state with the bracket, and then the rotating block is slid in a direction close to the bracket, and the other slots 1 are in contact with the block, so that the rotating block is fixed. An adaptive block group is provided at one end of the rotating block, and the other end of the rotating block is slidably connected to a limiting block 2. The top of the limiting block 2 is fixedly connected to a telescopic rod, and the top of the telescopic rod is fixedly connected to the limiting block 2. The bottom of the limiting block 2 is provided with a slot 2 for fixing the pull rod.

[0011] Furthermore, the adaptive block group includes a circular groove opened on the side of the rotating block facing the clamping block, a spring is fixedly connected in the circular groove, a cylinder is fixedly connected to one end of the spring away from the circular groove, and an adaptive block group is also provided on the side of the clamping block opposite to the rotating block.

[0012] Furthermore, the stretching assembly includes an outer shell fixedly connected to the top of the bracket, a stopper is fixedly connected to the middle part of the outer shell, a rotating shaft 1 is passed through the stopper, a pull rope 1 is provided on one side of the rotating shaft 1, and a pull rope 2 is provided on the other side of the rotating shaft 1, one end of the pull rope 1 and the pull rope 2 are both wound around the rotating shaft 1, one end of the rotating shaft 1 is rotatably connected to the inner wall of the outer shell, one end of the pull rope 2 away from the rotating shaft 1 is fixedly connected to the bottom of the Velcro 1, the middle part of the pull rope 2 is slidably connected to the fixing rod 2, the other end of the rotating shaft 1 passes through the outer shell and is fixedly connected to a handle, and two through grooves are provided at the bottom of the outer shell, and the two through grooves are respectively located at the two ends of the stopper.

[0013] Furthermore, the fixed block group includes a cylinder rotatably connected to the square groove one, a fixed shaft is provided in the square groove one, the fixed shaft passes through the cylinder, a coil spring is fixedly connected to the fixed shaft, one end of the coil spring is fixedly connected to the fixed shaft, the other end of the coil spring passes through the cylinder and is fixedly connected to a stretch cloth strip, the bottom of the stretch cloth strip is fixedly connected to a fixed block, and Velcro 2 is provided on one side of the fixed block.

[0014] Furthermore, a square groove 2 is provided at the bottom of the fixed block, and the fixed block group is provided with two groups, one of which is in the square groove 2, and one end of the cylinder in the square groove 2 is fixedly connected to a rotating shaft 2, and a massage roller is rotatably connected in the square groove 2, the massage roller is located on one side of the cylinder, and one end of the massage roller is fixedly connected to a rotating shaft 3, and belts are provided on the rotating shaft 2 and the rotating shaft 3.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention pulls the stretching cloth strips during the movement of the fixed block, so that the device can adapt to patients with different finger lengths, improves the applicability of the device, and reduces the cost of purchasing medical equipment for hospitals; after wearing, the patient can independently turn the handle, which is convenient for the patient to control the traction intensity according to his own situation, and the two stretching cloth strips are also stretched by the tension of the spring rebound to stretch the patient's knuckles, realizing all-round traction and stretching of the fingers and knuckles, enhancing the details and pertinence of the treatment, and helping to accelerate the recovery of finger function.

[0017] 2. In the present invention, the object between the clamping block and the rotating block contacts the cylinder, and the cylinder compresses the spring and slides into the circular groove. If the object is an irregular shape, the adaptive component can automatically adapt to the shape of the object and fit the object perfectly, so that it will not loosen during the subsequent stretching process; when the telescopic rod moves, it drives the limit block 2 to slide on the rotating block, so that the limit block 2 always maintains the same distance with the pull rod. After clamping the object, the medical staff rotates the pull rod so that the pull rod is stuck in the second slot to fix the device, which is convenient for subsequent traction treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a stereogram of the device of the present invention;

[0019] Figure 2 It is a structural diagram of the fixed components of the device of the present invention;

[0020] Figure 3 This is a disassembled view of the fixing assembly and the fixing rod of the device of the present invention;

[0021] Figure 4 is a cross-sectional view of a stretching assembly of the device of the present invention;

[0022] Figure 5 It is a structural diagram of the stretching assembly of the device of the present invention;

[0023] Figure 6 It is a structural diagram of the adaptive components of the device of the present invention;

[0024] Figure 7 The present invention Figure 6 Enlarged view of point A in the middle;

[0025] Figure 8 The present invention Figure 6 Enlarged view of point B in the middle.

[0026] In the figure:

[0027] 1. Bracket; 11. Fixed rod 1; 111. Block; 12. Fixed rod 2; 2. Fixed assembly; 21. Rotating block; 211. Slot 1; 212. Adaptive block group; 2121. Round groove; 2122. Spring; 2123. Cylinder; 213. Stopper 2; 2131. Telescopic rod; 2132. Slot 2; 22. Connecting rod 1; 23. Connecting rod 2; 24. Stopper 1; 25. Clamp; 26. Pull rod; 3. Tension assembly; 31. Housing; 32. Stopper; 33. Rotating shaft 1; 3 4. Draw rope one; 35. Draw rope two; 36. Handle; 37. Through slot; 4. Adaptive component; 41. Finger sleeve; 42. Square slot one; 43. Fixed block group; 431. Cylinder; 432. Fixed shaft; 433. Coil spring; 434. Stretch cloth strip; 435. Fixed block; 4351. Square slot two; 4352. Rotating shaft two; 4353. Massage roller; 4354. Rotating shaft three; 4355. Belt; 436. Velcro two; 44. Flexible limit plate; 45. Elastic rope; 46. Velcro one. DETAILED DESCRIPTION

[0028] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0029] like Figure 1-Figure 8 As shown, the present invention provides an orthopedic traction device, comprising: a bracket 1, a fixing rod 11 and a fixing rod 2 12 are fixedly connected to the bottom of the bracket 1 on both sides, a clamping block 111 is fixedly connected to the two sides of the fixing rod 11, a fixing component 2 is arranged on the fixing rod 11, a stretching component 3 is arranged on the top of the bracket 1, and an adaptive component 4 is arranged on one side of the bracket 1;

[0030] The adaptive component 4 includes a finger sleeve 41 arranged on one side of the bracket 1, and four square grooves 42 are opened at the bottom of the finger sleeve 41, and a fixed block group 43 is arranged in the square groove 42. There are two groups of fixed block groups 43, and the fixed block groups 43 are arranged in parallel. The bottom of the fixed block group 43 is slidably connected with a flexible limiting plate 44, which can adapt to the curvature of the patient's palm, and the bottom of the flexible limiting plate 44 is fixedly connected with an elastic rope 45, and the bottom of the elastic rope 45 is provided with a Velcro 46.

[0031] As a technical solution of the present invention, the fixing assembly 2 includes a rotating block 21 slidably connected to the fixing rod 11, a connecting rod 22 is rotatably connected to the rotating block 21, a connecting rod 23 is rotatably connected to the rotating block 21, the connecting rod 23 is on one side of the connecting rod 22, the connecting rod 1 22 and one end of the connecting rod 23 away from the rotating block 21 are rotatably connected to a limiting block 24, a clamping block 25 is fixedly connected to the middle part of the connecting rod 23, and a pull rod 26 is rotatably connected to one end of the clamping block 25 away from the connecting rod 22.

[0032] As a technical solution of the present invention, a slot 211 is provided at a position connected to the fixing rod 11 on the rotating block 21, and the size of the slot 211 is the same as the size of the block 111. When the object to be fixed is in a vertical direction, the rotating block 21 is slid toward the end of the fixing rod 11 away from the bracket 1, so that the slot 211 is separated from the block 111, and then the rotating block 21 is rotated to a vertical state with the bracket 1, and then the rotating block 21 is slid toward the direction close to the bracket 1, and The other card slot 1 211 is in contact with the card block 111, thereby fixing the rotating block 21. An adaptive block group 212 is provided at one end of the rotating block 21. The other end of the rotating block 21 is slidably connected to a limit block 213. The top of the limit block 213 is fixedly connected with a telescopic rod 2131. The top of the telescopic rod 2131 is fixedly connected to the limit block 213. A card slot 2132 is provided at the bottom of the limit block 213 for fixing the pull rod 26.

[0033] As a technical solution of the present invention, the adaptive block group 212 includes a circular groove 2121 opened on the side of the rotating block 21 facing the clamping block 25, a spring 2122 is fixedly connected in the circular groove 2121, and a cylinder 2123 is fixedly connected to one end of the spring 2122 away from the circular groove 2121. The adaptive block group 212 is also provided on the side of the clamping block 25 opposite to the rotating block 21.

[0034] As a technical solution of the present invention, the stretching component 3 includes a shell 31 fixedly connected to the top of the bracket 1, a stopper 32 is fixedly connected to the middle part of the shell 31, a rotating shaft 33 is penetrated by the stopper 32, a pull rope 34 is arranged on one side of the rotating shaft 1, and a pull rope 2 35 is arranged on the other side of the rotating shaft 1, one end of the pull rope 1 34 and the pull rope 2 35 are both wound around the rotating shaft 1 33, one end of the rotating shaft 1 33 is rotatably connected to the inner wall of the shell 31, one end of the pull rope 2 35 away from the rotating shaft 1 is fixedly connected to the bottom of the Velcro 1 46, the middle part of the pull rope 2 35 is slidably connected to the fixed rod 2 12, the other end of the rotating shaft 1 33 passes through the shell 31 and is fixedly connected to a handle 36, and two through grooves 37 are provided at the bottom of the shell 31, and the two through grooves 37 are respectively located at the two ends of the stopper 32.

[0035] As a technical solution of the present invention, the fixed block group 43 includes a cylinder 431 rotatably connected to the square groove 42, a fixed shaft 432 is arranged in the square groove 42, the fixed shaft 432 passes through the cylinder 431, a coil spring 433 is fixedly connected to the fixed shaft 432, one end of the coil spring 433 is fixedly connected to the fixed shaft 432, the other end of the coil spring 433 passes through the cylinder 431 and is fixedly connected to a stretching cloth strip 434, the bottom of the stretching cloth strip is fixedly connected to a fixed block 435, and one side of the fixed block 435 is provided with Velcro 2 436.

[0036] As a technical solution of the present invention, a square groove 2 4351 is provided at the bottom of the fixed block 435, and the fixed block group 43 is provided with two groups, one of which is in the square groove 2 4351, and one end of the cylinder 431 in the square groove 2 4351 is fixedly connected with a rotating shaft 2 4352, and a massage roller 4353 is rotatably connected in the square groove 2 4351, and the massage roller 4353 is located on one side of the cylinder 431, and one end of the massage roller 4353 is fixedly connected with a rotating shaft 3 4354, and a belt 4355 is provided on the rotating shaft 2 4352 and the rotating shaft 3 4354.

[0037] Working principle:

[0038] like Figure 1-Figure 3As shown, when using the device, the medical staff first places the edge of the table or the guardrail on the side of the bed between the clamp block 25 and the rotating block 21, and then pulls the pull rod 26 to the end away from the adaptive component 212, and the pull rod 26 drives the limit block 1 24 and the telescopic rod 2131 to move synchronously, the limit block 1 24 drives the connecting rod 1 22 and the connecting rod 23 to rotate, and the connecting rod 23 drives the clamp block 25 to move toward the rotating block. At this time, the object between the clamp block 25 and the rotating block contacts the cylinder 2123, and the cylinder 2123 compresses the spring 212 2 and slides into the circular groove 2121. If the object is an irregular shape, the adaptive component 212 can automatically adapt to the shape of the object and fit the object perfectly, so that it will not loosen during the subsequent stretching process; when the telescopic rod 2131 moves, it drives the limit block 213 to slide on the rotating block, so that the limit block 213 always maintains the same distance with the pull rod 26. After clamping the object, the medical staff rotates the pull rod 26 so that the pull rod 26 is stuck in the second card slot 2132, and the device is fixed to facilitate subsequent traction treatment.

[0039] like Figure 3-Figure 8 As shown, the patient then fixes the wrist with Velcro 1 46, and fixes the first phalanx of the finger with Velcro 2 436, and then stretches the top fixing block 435 to separate the top fixing block 435 from the bottom fixing block 435. The top fixing block 435 pulls the stretching cloth strip 434 during the movement, so that the device can adapt to patients with different finger lengths, improves the applicability of the device, and reduces the cost of purchasing medical equipment for the hospital; the stretching cloth strip 434 drives the cylinder 431 to rotate, and drives the coil spring 433 to curl, pulls the top fixing block 435 to the second phalanx, and fixes it with the top Velcro 2 436, and then puts the finger sleeve 41 on the patient's fingertip. After wearing, the patient can independently rotate the handle 36 to The patient can control the traction intensity according to his own situation, the handle 36 drives the rotating shaft 1 33 to rotate, the rotating shaft 1 33 drives the pull rope 1 34 and the pull rope 2 35 to pull the finger sleeve 41 and the Velcro 1 46 respectively, so as to traction the patient's fingers, and at the same time, the two stretch cloth strips are also pulled and stretched on the patient's knuckles by the tension of the rebound of the coil spring 433, thereby realizing all-round traction and stretching of the fingers and knuckles, enhancing the detail and pertinence of the treatment, and helping to accelerate the recovery of the finger function, and when the cylinder 431 rotates, it drives the rotating shaft 2 4352 to rotate, the rotating shaft 2 4352 drives the rotating shaft 3 4354 to rotate through the belt 4355, and the rotating shaft 3 4354 drives the massage roller 4353 to roll on the patient's fingers, and massages the patient's fingers to promote the patient's recovery.

[0040] The embodiments of the present invention are provided for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A bone surgery traction device, comprising: A bracket (1), characterized in that: a fixing rod 1 (11) and a fixing rod 2 (12) are fixedly connected to both sides of the bottom of the bracket (1), a clamping block (111) is fixedly connected to both sides of the fixing rod 1 (11), a fixing component (2) is arranged on the fixing rod 1 (11), a stretching component (3) is arranged on the top of the bracket (1), and an adaptive component (4) is arranged on one side of the bracket (1); The adaptive component (4) comprises a finger sleeve (41) arranged on one side of the bracket (1); four square grooves (42) are provided at the bottom of the finger sleeve (41); a fixing block group (43) is provided in each of the square grooves (42); two fixing block groups (43) are provided in total; the fixing block groups (43) are arranged in parallel; the bottom of the fixing block group (43) at the bottom is slidably connected to a flexible limiting plate (44); the bottom of the flexible limiting plate (44) is fixedly connected to an elastic rope (45); and the bottom of the elastic rope (45) is provided with a Velcro (46).

2. An orthopedic traction device as claimed in claim 1, characterized in that: The fixing assembly (2) comprises a rotating block (21) slidably connected to the fixing rod 1 (11); the rotating block (21) is rotatably connected to a connecting rod 1 (22); the rotating block (21) is rotatably connected to a connecting rod 2 (23); the connecting rod 2 (23) is on one side of the connecting rod 1 (22); the connecting rod 1 (22) and one end of the connecting rod 2 (23) away from the rotating block (21) are rotatably connected to a limiting block 1 (24); a clamping block (25) is fixedly connected to the middle of the connecting rod 2 (23); and the clamping block (25) is rotatably connected to a pull rod (26) at one end away from the connecting rod 1 (22).

3. A bone surgery traction device as claimed in claim 2, characterized in that: A first clamping slot (211) is provided at a position on the rotating block (21) where it is connected to the first fixed rod (11); the size of the first clamping slot (211) is the same as the size of the clamping block (111); an adaptive block group (212) is provided at one end of the rotating block (21); the other end of the rotating block (21) is slidably connected to a second limiting block (213); a telescopic rod (2131) is fixedly connected to the top of the second limiting block (213); the top of the telescopic rod (2131) is fixedly connected to the second limiting block (213); and a second clamping slot (2132) is provided at the bottom of the second limiting block (213).

4. An orthopedic traction device as claimed in claim 3, characterized in that: The adaptive block group (212) comprises a circular groove (2121) provided on a side of the rotating block (21) facing the clamping block (25); a spring (2122) is fixedly connected in the circular groove (2121); a cylinder (2123) is fixedly connected to one end of the spring (2122) away from the circular groove (2121); and an adaptive block group (212) is also provided on a side of the clamping block (25) opposite to the rotating block (21).

5. The orthopedic traction device according to claim 1, characterized in that: The stretching assembly (3) comprises a shell (31) fixedly connected to the top of the bracket (1), a stopper (32) fixedly connected to the middle of the shell (31), a rotating shaft (33) penetrating the stopper (32), a pull rope (34) being arranged on one side of the rotating shaft (33), a pull rope (35) being arranged on the other side of the rotating shaft (33), one end of the pull rope (34) and the pull rope (35) being wound around the rotating shaft (33), and one end of the rotating shaft (33) being wound around the rotating shaft (33). The first end of the pull rope (35) is rotatably connected to the inner wall of the shell (31), one end of the pull rope (35) away from the rotating shaft (33) is fixedly connected to the bottom of the Velcro (46), the middle part of the pull rope (35) is slidably connected to the fixed rod (12), the other end of the rotating shaft (33) passes through the shell (31) and is fixedly connected to a handle (36), and two through grooves (37) are provided at the bottom of the shell (31), and the two through grooves (37) are respectively located at the two ends of the stopper (32).

6. The orthopedic traction device according to claim 1, characterized in that: The fixed block group (43) comprises a cylinder (431) rotatably connected to the square groove (42); a fixed shaft (432) is arranged in the square groove (42); the fixed shaft (432) passes through the cylinder (431); a coil spring (433) is fixedly connected to the fixed shaft (432); one end of the coil spring (433) is fixedly connected to the fixed shaft (432); the other end of the coil spring (433) passes through the cylinder (431) and is fixedly connected to a stretching cloth strip (434); the bottom of the stretching cloth strip (434) is fixedly connected to a fixed block (435); and one side of the fixed block (435) is provided with a Velcro strip (436).

7. An orthopedic traction device as claimed in claim 6, characterized in that: A second square groove (4351) is provided at the bottom of the fixed block (435). The fixed block group (43) is provided with two groups in total, one of which is in the second square groove (4351). One end of the cylinder (431) in the second square groove (4351) is fixedly connected to a second rotating shaft (4352). A massage roller (4353) is rotatably connected in the second square groove (4351). The massage roller (4353) is located on one side of the cylinder (431). One end of the massage roller (4353) is fixedly connected to a third rotating shaft (4354). Belts (4355) are provided on the second rotating shaft (4352) and the third rotating shaft (4354).