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Installation tool for sternum closing fixator

A technology for installing tools and fixtures, which is applied in the field of medical devices and can solve problems such as difficulty, sternum dehiscence, and errors.

Active Publication Date: 2013-09-25
CHANGZHOU WASTON MEDICAL APPLIANCE CO LTD
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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
Therefore, a sternal closure fixer has been designed, which has a male fixer and a female fixer. Both the male fixer and the female fixer have a set of positioning holes and screw holes. The operation of the fixator will inevitably cause errors and uneven force, which will affect the success rate of the operation

Method used

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  • Installation tool for sternum closing fixator
  • Installation tool for sternum closing fixator
  • Installation tool for sternum closing fixator

Examples

Experimental program
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Effect test

Embodiment Construction

[0014] In order to make the content of the present invention easier to understand clearly, the present invention will be described in further detail below according to specific embodiments in conjunction with the accompanying drawings,

[0015] Such as Figure 1~4 Shown, a kind of sternal closure fixer installation tool, it comprises rack 1 and two retracting arms 2, two retracting arms 2 are sleeved on the rack 1, and each retracting arm 2 is all provided with A non-return mechanism that limits the movement of the retracting arm 2 relative to the rack 1, and one of the retracting arms 2 is equipped with a driving mechanism that drives it to move relative to the rack 1, and a set of sternum-connectable gears is installed on the bottom of each retracting arm 2. Close the matching positioning boss 3 and fastening screw 4 of the fixer.

[0016] Such as image 3 As shown, the driving mechanism includes a knob 5 and a gear 6, the knob 5 is rotatably inserted on the retracting arm...

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PUM

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Abstract

The invention discloses an installation tool for a sternum closing fixator. The installation tool comprises a rack and two retractor arms. The retractor arms are sleeved on the rack, each retractor arm is provided with a non-return mechanism capable of limiting the retractor arm to move correspondingly to the rack, one of the retractor arms is provided with a driving mechanism capable of driving the same to move correspondingly to the rack, and the bottom of each retractor arm is provided with a positioning boss and a fixing screw which are capable of mutually matching with the sternum closing fixator. The installation tool can be used for positioning and fixing the sternum closing fixator so as to have sternum evenly fixed, degree of tightness is controllable, operation is facilitated and fixation is stable.

Description

technical field [0001] The invention relates to a sternal closure fixer installation tool, which belongs to the field of medical instruments. Background technique [0002] At present, in the treatment requiring thoracotomy, the entire sternum is cut open. At the end of the treatment, the entire sternum is bound up and down with steel wires, and the left and right sides are cut by the surgeon with a needle connected to the steel wire. The opened 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. Therefore, a sternal closure fixer has been designed, which has a male fixer and a female fixer. Both the male fixer a...

Claims

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Application Information

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IPC IPC(8): A61B17/60
Inventor 胡仁民曹志达张晓膺杨佳平
Owner CHANGZHOU WASTON MEDICAL APPLIANCE CO LTD
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