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CN-121971129-A - Ulna-radius resetting device for bone surgery and application method thereof

CN121971129ACN 121971129 ACN121971129 ACN 121971129ACN-121971129-A

Abstract

The invention relates to the technical field of ulna-radius reduction, and discloses an ulna-radius reduction device for an orthopedic operation and a use method thereof, wherein the ulna-radius reduction device comprises a base, a support is fixedly connected to the side wall of the base, two sliding blocks are connected to the top of the base in a sliding manner, a binding belt is fixedly connected to the top of each sliding block, in the ulna-radius reduction process, a medical staff applies a pulling force to the palm position, the binding belt is driven to displace by pulling the palm and the top of the front arm, the sliding blocks synchronously displace, a sliding toothed bar is driven to displace when the sliding blocks displace, a gear is driven to rotate when the sliding toothed bar displaces, and the toothed bar is driven to displace when the gear rotates to displace along with the displacement, so that the binding belt at the tail end of a small arm and the sliding block displace, the tail end of the small arm can apply the same force when the pulling force is applied to the front end of the arm of a patient, and the accurate alignment of a fracture end can be effectively ensured by maintaining the constant size and the force of the direction level.

Inventors

  • YANG FENG

Assignees

  • 台州市路桥区第二人民医院医疗服务共同体(台州市路桥区第二人民医院)

Dates

Publication Date
20260505
Application Date
20260317

Claims (10)

  1. 1. The utility model provides an ulna radius resetting means for bone surgery, includes base (13), the lateral wall department fixedly connected with support (14) of base (13), the top sliding connection of base (13) has two sliding blocks (15), the top fixedly connected with bandage (16) of sliding block (15), its characterized in that still includes: The traction mechanism (1) is arranged at the inner wall of the base (13) in a sliding manner; a maintaining mechanism (2), wherein the maintaining mechanism (2) is arranged at the inner wall of the base (13) in a sliding way; the tightening mechanism (3) is rotatably arranged at the outer wall of the base (13).
  2. 2. The ulna-radius reduction device for bone surgery according to claim 1, wherein the traction mechanism (1) comprises: The force application assembly (11) is arranged at the inner wall of the base (13) in a sliding manner; A fixing component (12), wherein the fixing component (12) is arranged at the inner wall of the force application component (11) in a sliding way; Before use, medical staff confirms the device model first, checks the compatibility of an operating bed interface, firmly installs a base (13) at an appointed position of the operating bed, fixes the base by a locking device, places a patient on the operating bed, adjusts the arm position to be matched with a binding belt (16), tightens the binding belt (16), exerts pulling force on the palm position at the moment, drives the binding belt (16) to displace by pulling the palm and the top end of a forearm, and synchronously displaces a sliding block (15).
  3. 3. The ulna-radius reduction device for bone surgery according to claim 2, wherein the maintaining mechanism (2) comprises: A limiting assembly (21), the limiting assembly (21) being slidably arranged at the inner wall of the base (13); a repeating assembly (22), the repeating assembly (22) being slidably disposed at an inner wall of the base (13); Wherein the repeated assembly (22) loses restriction and displaces while the force application assembly (11) moves.
  4. 4.A ulna-radius reduction device for bone surgery according to claim 3, wherein the tightening mechanism (3) comprises: A contact assembly (31), the contact assembly (31) being rotatably arranged on top of the base (13); a comfort assembly (32), the comfort assembly (32) being fixedly arranged at a side wall of the contact assembly (31).
  5. 5. The ulna-radius reduction device for bone surgery according to claim 4, wherein the force application assembly (11) comprises a sliding toothed bar (111) slidingly connected to an inner wall of the base (13), a gear (112) is rotationally connected to the inner wall of the base (13), and a moving toothed bar (113) is slidingly connected to the inner wall of the base (13); The sliding toothed bar (111) is fixedly connected with the sliding block (15), the moving toothed bar (113) is fixedly connected with the sliding block (15), the top of the sliding toothed bar (111) is meshed with the gear (112), and the bottom of the moving toothed bar (113) is meshed with the gear (112).
  6. 6. The ulna-radius reduction device for bone surgery according to claim 5, wherein the fixation assembly (12) comprises a spring (121) fixedly connected to an inner wall of the sliding rack (111), and a triangle fixation rod (122) is fixedly connected to an outer wall of the spring (121); the triangle fixing rod (122) is in sliding connection at the inner wall of the sliding toothed bar (111), and the triangle fixing rod (122) takes an inclined plane as the right opposite surface in moving.
  7. 7. The ulna-radius reduction device for bone surgery according to claim 6, wherein the limiting assembly (21) comprises a plurality of fixing posts (211) slidably connected to an inner wall of the base (13), an L-shaped rod (212) is slidably connected to the inner wall of the base (13), and two springs I (213) are fixedly connected to an outer wall of the L-shaped rod (212); Wherein, the side wall department fixed connection of a plurality of fixed column (211) and L shape pole (212), the one end that spring (213) kept away from L shape pole (212) is fixed connection with the inner wall department of base (13).
  8. 8. The device for reducing ulna and radius for bone surgery according to claim 6, wherein the repeating unit (22) comprises a metal spring plate (221) fixedly connected to an inner wall of the base (13), and a brake lever (222) is fixedly connected to an outer wall of the metal spring plate (221); wherein, metal shrapnel (221) is compression state initially, and brake lever (222) is sliding connection in the inner wall department of base (13).
  9. 9. The ulna-radius reduction device for bone surgery according to claim 7, wherein the contact assembly (31) comprises a pushing rod (311) fixedly connected to the outer wall of the sliding block (15), wherein the top of the base (13) is fixedly connected with two fixing rods (312), and the outer wall of the fixing rods (312) is rotatably connected with a rotating block (313); the two sides of the device are of symmetrical structures, the pushing rod (311) is in sliding connection with the top of the base (13), in an initial state, one end of the pushing rod (311) far away from the sliding block (15) is in contact with the side wall of the rotating block (313), and one side of the rotating block (313) close to the pushing rod (311) is provided with a plurality of square protrusions, so that friction force between the pushing rod and the outer wall of the pushing rod (311) is increased; The comfort assembly (32) comprises a flexible pad (321) fixedly connected at the side wall of the rotating block (313); wherein, the flexible pad (321) is near one end of the pushing rod (311) and is recessed towards one side of the rotating block (313).
  10. 10. A method for using the ulna-radius reduction device for the bone surgery, which is characterized by comprising the following steps of, The method comprises the following steps of S1, mounting equipment, namely firstly confirming the model of a device by medical staff, checking the compatibility of an interface of an operating table, firmly mounting a base (13) at a designated position of the operating table, fixing the base by a locking device, simultaneously fixing a bracket (14) and a sliding block (15) at the outer wall of the base (13), and fixing a binding belt (16) at the top of the sliding block (15); And S2, starting equipment, namely placing a patient on an operating table by medical staff, adjusting the arm position to be matched with the binding belt (16), binding the binding belt (16), applying pulling force to the palm position by the medical staff, resetting the radius by pulling the palm and the top end of the forearm, and simultaneously carrying out rotary displacement.

Description

Ulna-radius resetting device for bone surgery and application method thereof Technical Field The invention relates to the technical field of ulna-radius reduction equipment, in particular to an ulna-radius reduction device for bone surgery and a use method thereof. Background The ulna-radius reduction device for the bone surgery realizes controllable traction, angle adjustment and body position fixation of the ulna-radius through a mechanical structure, replaces manual operation to finish separation, alignment and correction of a fracture end, maintains a stable state after reduction, and provides conditions for subsequent fixation operation; the medical staff places the patient on the operating table, respectively holds the near end of the upper arm, the far end of the hand or the forearm of the patient through the mutual cooperation with an assistant, and continuously, uniformly and slowly resists traction in opposite directions, at the moment, the forces of the upper arm, the hand or the far end of the forearm cannot be continuously kept the same, if the traction direction is inaccurate and the magnitude is not matched, the resetting is possibly not ideal, even secondary displacement occurs after the fixation, and the following scheme is proposed for the problems. Disclosure of Invention In order to solve the technical problem, the invention provides an ulna-radius resetting device for an orthopedic operation, which comprises a base, wherein a bracket is fixedly connected to the side wall of the base, two sliding blocks are slidably connected to the top of the base, and a binding belt is fixedly connected to the top of the sliding blocks, and the device further comprises: The traction mechanism is arranged on the inner wall of the base in a sliding manner; The maintaining mechanism is arranged on the inner wall of the base in a sliding manner; the tightening mechanism is rotatably arranged at the outer wall of the base. Preferably, the traction mechanism comprises: The force application component is arranged on the inner wall of the base in a sliding manner; the fixed component is arranged on the inner wall of the force application component in a sliding manner; Before the operation table is used, medical staff confirms the model of the device first, checks the compatibility of the interface of the operation table, firmly installs the base at the appointed position of the operation table, fixes the base by the locking device, places a patient on the operation table, adjusts the arm position to be matched with the binding band, tightens the binding band, applies pulling force to the palm position, drives the binding band to displace by pulling the palm and the top end of the forearm, synchronously displaces the sliding block, and the sliding block is arranged at the side wall of the bracket in a sliding way. Preferably, the maintenance mechanism includes: the limiting component is arranged on the inner wall of the base in a sliding manner; the repeated assembly is arranged on the inner wall of the base in a sliding manner; The repeated assembly loses restriction to displace when the force application assembly moves with the fixed assembly, and the restriction assembly moves when the force application assembly moves a certain distance. Preferably, the tightening mechanism comprises: The contact assembly is rotatably arranged at the top of the base; the comfort component is fixedly arranged at the side wall of the contact component; wherein the comfort assembly rotates while the slider moves. Preferably, the force application component comprises a sliding toothed bar which is connected with the inner wall of the base in a sliding manner, a gear is connected with the inner wall of the base in a rotating manner, and a movable toothed bar is connected with the inner wall of the base in a sliding manner; The medical staff applies pulling force to the palm position, the binding band is driven to displace by pulling the palm and the top end of the forearm, the binding band at the tail end of the forearm and the sliding block are enabled to move, the sliding toothed bar and the sliding block are fixedly connected, the top of the sliding toothed bar is meshed with the gear, and the bottom of the sliding toothed bar is meshed with the gear. Preferably, the fixing component comprises a spring fixedly connected to the inner wall of the sliding toothed bar, and a triangular fixing bar is fixedly connected to the outer wall of the spring; the spring generates elasticity to the brake rod in the moving process, the triangular fixing rod is in sliding connection with the inner wall of the sliding toothed bar, and the inclined surface of the triangular fixing rod is the right opposite surface in the moving process. Preferably, the limiting component comprises a plurality of fixed columns which are connected with the inner wall of the base in a sliding manner, an L-shaped rod is connected with the inner wall of the base in a