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Breastbone closing fixer

A technology of fixator and sternum, which is applied in the field of medical devices, can solve problems such as difficulty in grasping the tightness of fixation, sternum cracking, difficulty, etc., and achieve the effects of shortening wound healing time, easy operation, and improving safety

Active Publication Date: 2012-02-01
CHANGZHOU WASTON MEDICAL APPLIANCE CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are following deficiencies in the traditional steel wire fixation method for sternum: 1. It is difficult to grasp the tightness of fixation and unify
2. It is easy to cut the sternum by the steel wire, which will cause the sternum to crack and bring adverse consequences
3. It is difficult to wear steel wire

Method used

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  • Breastbone closing fixer
  • Breastbone closing fixer
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Examples

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Embodiment Construction

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0019] Such as Figure 1~9 As shown, a sternum closure fixer is formed by inserting a male fixing part 1 and a female fixing part 2, and the male fixing part 1 is composed of an integrated elastic plug 1-1 and a first claw-shaped hook plate 1-2 , the two sides of the elastic plug 1-1 are provided with the first sawtooth 1-3 and the fins 1-4, the middle part of the elastic plug 1-1 has a groove 4, and the locking hole 5 is set on the groove 4, the locking hole Locking screw 3 is placed in 5, and female fixing part 2 is made up of socket 2-1 and the second claw-shaped hook plate 2-2 that are made into one, and socket 2-1 inner wall is provided with elastic plug 1-1 both sides The first serration 1-3 is engaged with the second serration 2-3, and a dovetail groove 2-4 is provided below the second serration 2-3 to cooperate with the wing 1-4 on th...

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Abstract

The invention discloses a breastbone closing fixer, which is spliced by using a male fixing piece and a female fixing piece, wherein the male fixing piece consists of an elastic plug and a first claw-shaped hook plate which are integrated; first saw teeth and fins are arranged at two sides of the elastic plug; the middle part of the elastic plug is provided with a groove, the groove is provided with a locking hole, and a locking screw is placed in the locking hole; the female fixing piece consists of a socket and a second claw-shaped hook plate which are integrated; second saw teeth engaged with the first saw teeth at two sides of the elastic plug are arranged on the inner side wall of the socket; and dovetail grooves matched with the fins on the elastic plug are formed below the second saw teeth. The breastbone closing fixer is simple and convenient in fixing, stable and controllable in elasticity, does not cut the breastbone, does not cause unnecessary bleeding, meanwhile, shortens the wound healing time of the breastbone, and improves the healing rate.

Description

technical field [0001] The invention relates to the field of medical instruments, in particular to a sternal closure fixer. It is used to close and fix the sternum after thoracotomy in cardiothoracic surgery. Background technique [0002] At present, in the treatment that requires thoracotomy, the entire sternum is cut open. At the end of the treatment, the entire sternum is tied up and down with steel wires, and the left and right sides are cut open by the surgeon with a suture needle attached to the steel wire. The sternum was tightened with a steel wire, so that the incised sternum was closed and then fixed. There are following deficiencies in the traditional steel wire fixing sternum method: 1, it is difficult to grasp and unify the tightness of fixing. 2. Cutting of the sternum by the steel wire is easy to occur, resulting in splitting of the sternum and bringing adverse consequences. 3. It is difficult to wear steel wire. Contents of the invention [0003] The o...

Claims

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Application Information

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IPC IPC(8): A61B17/68
Inventor 张晓膺曹志达王凯
Owner CHANGZHOU WASTON MEDICAL APPLIANCE CO LTD
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