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Posterior cruciate ligament avulsion fracture fixation apparatus

A technology for avulsion fracture and fixation device, which is applied in the field of posterior cruciate ligament avulsion fracture fixation device, and can solve problems such as difficulty, injury and the like

Inactive Publication Date: 2018-11-30
LANZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional treatment method is to make an incision at the back of the knee joint to fix the fracture block. However, due to the rich distribution of blood vessels and nerves in the back of the knee joint, it is easy to cause damage, and the clinical treatment is very difficult.

Method used

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  • Posterior cruciate ligament avulsion fracture fixation apparatus
  • Posterior cruciate ligament avulsion fracture fixation apparatus
  • Posterior cruciate ligament avulsion fracture fixation apparatus

Examples

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Embodiment Construction

[0017] The embodiments of the present invention will be further described below with reference to the accompanying drawings.

[0018] like Figure 1 to Figure 5 As shown, the posterior cruciate ligament avulsion fracture fixation device includes a handle 1, a long tube 2, a traction rope 6, and a bone fragment reduction and fixation mechanism. One end of the long tube 2 is provided with a handle 1, and the handle 1 is a hollow tubular structure. The inside of the long tube 2 is connected with each other, the other end of the long tube 2 is equipped with a bone fragment reset and fixation mechanism, one end of the traction rope 6 passes through the inner cavity of the handle 1 and the long tube 2 in turn and is connected to the bone fragment reset and fixation mechanism, and the tail end of the traction rope 6 is connected. Cooperate with the installation of the buckle 7, the buckle 7 includes an outer disc and a cylindrical body arranged on one side of the outer disc, two thro...

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Abstract

The invention discloses a posterior cruciate ligament avulsion fracture fixation apparatus and relates to the technical field of medical instruments. The cruciate ligament avulsion fracture fixation apparatus comprises a handle, a long tube, a draw string and a bone reset fixing mechanism; the handle which is of a hollow tubular structure is arranged at one end of the long tube, and the inner cavity of the handle is communicated with the inside of the long tube; the bone reset fixing mechanism is fittingly mounted at the other end of the long tube; one end of the draw string sequentially penetrates the inner cavity of the handle and the inner cavity of the long tube so as to be connected with the bone reset fixing mechanism; the bone reset fixing mechanism comprises a top plate, a short tube and a plurality of fastener strips, the short tube is arranged at one side of the top plate, one end of the short tube is disposed in the long tube, the short tube and the long tube are in threadedconnection, the fastener strips are distributed at one side of the top plate along the outer ring of the short tube, and one ends of the fastener strips are all hinged to the top plate.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a fixation device for posterior cruciate ligament avulsion fractures. Background technique [0002] Posterior cruciate ligament avulsion fracture is a violent injury in the field of sports medicine, commonly seen in car accidents or high-level athletes. The traditional treatment method is to fix the fracture fragments by incision at the back of the knee joint. However, due to the rich distribution of blood vessels and nerves in the back of the knee joint, it is easy to cause damage, which is very difficult in clinical treatment. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide a fixation device for posterior cruciate ligament avulsion fracture in view of the above problems. [0004] In order to achieve the above object, the technical scheme of the present invention is as follows: [0005] The posterior cruciate ligament avulsion fra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/68
CPCA61B17/68
Inventor 汉华许田恩滕元君王红夏亚一
Owner LANZHOU UNIVERSITY
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