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Outer side drag hook for cervical vertebra surgery

A technique for surgery and cervical spine, applied in the field of cervical spine surgery auxiliary appliances, can solve the problems of stable adjustment, inconvenient tissue limit work at the front of the cervical spine, inconvenience in the spacing of adjacent vertebral bodies, etc., to prevent position deviation. The effect of moving, facilitating the treatment work, increasing the convenience and safety of use

Inactive Publication Date: 2022-05-10
NANYANG CITY CENT HOSPITAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a kind of external retractor for cervical spine surgery, to solve the problem that the external retractor for cervical spine surgery on the market is inconvenient to stably adjust the spacing between adjacent vertebral bodies and the inconvenient adjustment of cervical vertebrae. The problem of the organization of the front for stable limit work

Method used

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  • Outer side drag hook for cervical vertebra surgery
  • Outer side drag hook for cervical vertebra surgery
  • Outer side drag hook for cervical vertebra surgery

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Embodiment Construction

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] see Figure 1-9 , the present invention provides a technical solution: a lateral retractor for cervical spine surgery, including a fixed frame 1, a support column 2, a vertebral body distraction screw 3, a fixed shaft 4, a first bevel gear 5, and a second bevel gear 6 , the first threaded rod 7, the fixed sleeve rod 8, the push plate 9, the first transmission belt 10, the worm 11, the second transmission belt 12, the worm wheel 13, the second threaded r...

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Abstract

The invention discloses an outer side drag hook for cervical vertebra surgery, which comprises a fixing frame, a pushing plate, a main hook plate, a side hook plate and a placing groove, the fixing frame is in screw connection with a supporting column, a first bevel gear is welded and fixed on a fixing shaft, and the first bevel gear is in meshed connection with a second bevel gear; and the second bevel gear is welded and fixed to the top end of the first threaded rod, a fixing sleeve rod is movably connected to the first threaded rod, a containing groove is formed in the centrum distraction screw, and a pushing plate is arranged in the containing groove. The outer side drag hook for the cervical vertebra surgery is provided with a pushing plate, a fixing shaft can drive a first threaded rod to rotate in a fixing sleeve rod through a first bevel gear and a second bevel gear, and then the pushing plate can be driven to move outwards; at the moment, the distance between the adjacent cones can be conveniently, rapidly, stably and safely pushed and adjusted through the pushing plate, and then subsequent treatment work of medical staff is facilitated.

Description

technical field [0001] The invention relates to the technical field of auxiliary appliances for cervical spine surgery, in particular to a lateral drag hook for cervical spine surgery. Background technique [0002] The cervical spine is mainly connected to the skull at the top and the thoracic spine at the bottom. It can control our head turning function, support the head at the same time, and assist the blood supply to the brain. With age, the lower cervical spine is prone to degenerative changes. The main manifestations are: The intervertebral disc becomes thinner, the intervertebral space narrows, and the intervertebral foramen becomes smaller. At the same time, bone spurs tend to grow on the edge of the vertebrae, which compresses the roots of the spinal nerves, forming cervical spondylosis. For some serious cervical spondylosis, surgery is required. During surgery, in order to expose the affected part and perform local treatment, retractors are often used to pull the ti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/02
CPCA61B17/025A61B2017/0256
Inventor 程省陈泓燕叶向阳马远
Owner NANYANG CITY CENT HOSPITAL
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