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Angle-adjustable dynamic hip locking bone setting plate

An adjustable bone plate technology, applied in the field of medical devices, can solve the problems of lower installation accuracy and difficult fixation of the steel plate position, and achieve the effects of improved accuracy, simple and reliable installation and operation, and precise and reliable connection

Pending Publication Date: 2019-11-22
SUZHOU & SCI & TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The normal value of the neck-shaft angle is between 110° and 140°, with an average of 132° for men and 127° for women. After that, the position of the steel plate is not easy to fix, which reduces the installation accuracy

Method used

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  • Angle-adjustable dynamic hip locking bone setting plate
  • Angle-adjustable dynamic hip locking bone setting plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0016] like Figure 1-2 As shown, an angle-adjustable dynamic hip bone plate includes goose-head nail head 1, intermediate body 2, tail part 3, anti-rotation piece 4, lock nut 5, tension nail 6, pin 7, angle adjustment nut 8, Stabilizing ring 9, staple 10 and limit pin 11. The pull nail 6 is assembled in the sleeve of the goose-head nail head 1, and is screwed into the pre-drilled hole in the bone through the inner hexagon at the tail. The anti-rotation piece 4 is connected with the goose-head nail head 1 through a pin. After fixing the tension nail 6, adjust the angle of the anti-rotation piece 4 to fit the bone, then screw in the locking screw for positioning, and finally screw in the lock nut 5 for reinforcement. The goose head nail head 1 is connected with the intermediate body 2 through the pin 7, and is interlocked with one side of the angle adj...

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Abstract

The invention relates to an angle-adjustable dynamic hip locking bone setting plate. The angle-adjustable dynamic hip locking bone setting plate comprises a dynamic hip screw head, an intermediate body, a tail part, an anti-rotation piece, a locking nut, a tension screw, pins, an angle adjusting nut, a stabilizing ring, a staple screw and a limiting pin; the tension screw is assembled in a sleeveof the dynamic hip screw head; the anti-rotation piece is connected with the dynamic hip screw head through the corresponding pin, the dynamic hip screw head is connected with intermediate body through the corresponding pin, the interior of the intermediate body is buckled with one side of the angle adjusting nut, the other side of the angle adjusting nut is connected by the stabilizing ring, thestabilizing ring ensures that the axis of the angle adjusting nut does not shift and makes the angle adjusting nut move up and down in the axial direction, and the tail part is fixed to the intermediate body through the staple screw. The angle-adjustable dynamic hip locking bone setting plate is relatively simple in structure, simple and reliable in installation operation, large in angle adjustingrange and capable of being accurately and reliably connected with the bone.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to an angle-adjustable dynamic hip bone plate. Background technique [0002] At present, the angles of dynamic hip locking plates on the market are all fixed, generally divided into specifications such as 125° / 130° / 135° / 140°. The normal value of the neck-shaft angle is between 110° and 140°, with an average of 132° for men and 127° for women. After that, the position of the steel plate is not easy to fix, which reduces the installation accuracy. Contents of the invention [0003] Aiming at the deficiencies of existing products, the present invention provides an angle-adjustable dynamic hip locking steel plate. The invention can adjust the angle not less than 20°, and the optimal adjustment range is 125°-145°, covering most of the normal neck-shaft angles range. [0004] The purpose of the present invention is achieved through the following technical solutions: [0005] An angle-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/80
CPCA61B17/8061A61B17/808A61B2017/564
Inventor 丁涛
Owner SUZHOU & SCI & TECH DEV
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