Cervical vertebrae fracture dislocation anterior approach resetting inner fixing system

A fracture dislocation and fixation system technology, applied in the field of medical devices, can solve the problems of spinal cord injury, extremely high surgical skill requirements, aggravated dislocation, etc., and achieve the effect of reducing operation difficulty and making reset and fixation safe and reliable

Inactive Publication Date: 2015-05-27
WEST CHINA HOSPITAL SICHUAN UNIV
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Problems solved by technology

This kind of operation is not only extremely traumatic, but also requires extremely high surgical skills of the surgeon; at the same time, the stability of the cervical spine will

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  • Cervical vertebrae fracture dislocation anterior approach resetting inner fixing system
  • Cervical vertebrae fracture dislocation anterior approach resetting inner fixing system
  • Cervical vertebrae fracture dislocation anterior approach resetting inner fixing system

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[0026] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0027] Such as Figure 5-8 As shown, an anterior reduction and internal fixation system for cervical spine fracture and dislocation of the present invention includes a reducer and a matching fixed steel plate 9. The reducer includes a post 2, a fixed vertebral body nail 1, and a movable vertebral body nail 6; the upright column There is a rack on one side of 2; the fixed cone nail 1 is vertically fixed and installed on the column 2 through a fixed seat 10; the movable vertebra nail 6 is installed on the column 2 through a movable seat 8; the movable seat 8 has a vertical adjustment gear 14 meshing with the rack on the column 2, and the vertical adjustment knob 15 is connected with the vertical adjustment gear 14. A horizontal rack base 12 is installed on the mov...

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Abstract

The invention provides a cervical vertebrae fracture dislocation anterior approach resetting inner fixing system. The cervical vertebrae fracture dislocation anterior approach resetting inner fixing system comprises a resetting device and a matched fixed steel plate, wherein the resetting device comprises a stand column, a fixed centrum nail and a movable centrum nail; the fixed centrum nail is fixedly mounted on the stand column by a fixed seat; the movable centrum nail is movably arranged on the stand column by a movable seat; the movable centrum nail can move up and down relative to the fixed centrum nail, can move left and right, and also can rotate for an angle around the movable seat; the fixed steel plate is mounted outside the resetting device. By virtue of the cervical vertebrae fracture dislocation anterior approach resetting inner fixing system, the vertical position of the movable centrum nail on the stand column and the horizontal position relative to the stand column can be adjusted, and the angle relative to the stand column of the movable centrum nail also can be adjusted, so that the resetting and fixing of lower cervical vertebrae fracture dislocation can be finished by a cervical vertebrae anterior approach, and the system is particularly suitable for complicated articular process interlocking type cervical vertebrae dislocation patients; the resetting and fixing are safe and reliable, and the operation difficulty of surgeries also can be reduced.

Description

technical field [0001] The invention relates to a medical device, in particular to an anterior reduction and internal fixation system for cervical vertebra fracture and dislocation. Background technique [0002] With the development of social economy and the change of people's lifestyle, the incidence of acute trauma such as traffic accident injury, high fall injury and sports injury continues to increase. Due to the characteristics of the anatomical structure of the cervical spine, cervical spine trauma is the most dangerous of all kinds of trauma, with a high mortality rate and many sequelae such as high paraplegia. Among them, cervical spine fracture and dislocation is a common type of cervical spine injury, which may cause high paraplegia or even death due to compression of the spinal cord nerves, and often requires surgical reduction and fixation. [0003] The human cervical spine is composed of 7 vertebrae, among which the 3rd-7th vertebrae are more consistent in shap...

Claims

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Application Information

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IPC IPC(8): A61B17/70
CPCA61B17/7005A61B17/7025A61B17/7043A61B17/7046
Inventor 邓宇骁刘浩陈华
Owner WEST CHINA HOSPITAL SICHUAN UNIV
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