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Spine minimally-invasive multi-azimuth orthopedic external fixing device

A multi-directional, external fixation technology, applied in fixers, medical science, surgery, etc., can solve the problems of long recovery time for patients, large incision trauma, etc., and achieve the effect of small surgical trauma and reasonable structural design

Active Publication Date: 2016-10-12
迪恩医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the surgical plan adopted for spinal compression fracture or deformity is to cut the skin, drive the pedicle screw into the vertebral body, and operate in vivo to reduce the fracture or deformity. The skin at the body and the upper and lower adjacent vertebral bodies is incised, the incision trauma is relatively large, and the recovery time of the patient is longer

Method used

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  • Spine minimally-invasive multi-azimuth orthopedic external fixing device
  • Spine minimally-invasive multi-azimuth orthopedic external fixing device
  • Spine minimally-invasive multi-azimuth orthopedic external fixing device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] as attached figure 1 , 2 A minimally invasive multi-directional orthopedic external fixation device for the spine is shown, the fixation device includes: two pedicle screws 1, a first screw seat 2 and a second screw seat 3 arranged on the pedicle screws 1, a second A rotating sleeve 4, a first right-handed extension tube 41 and a first left-handed extension tube 42 respectively arranged at both ends of the first rotating sleeve 4, a second rotating sleeve 5, and a second right-handed extension tube respectively arranged at both ends of the second rotating sleeve 5 The extension tube 51 and the second left-handed extension tube 52, the end of the first right-handed extension tube 41 and the end of the first left-handed extension tube 42 are sleeved on the first screw seat 2 through respectively fixed sleeves 43, the second The ends of the two right-handed extension tubes 51 and the ends of the second left-handed extension tube 52 are respectively provided with ball sock...

Embodiment 2

[0025] This embodiment is based on the first embodiment above, the first rotating sleeve 4 is provided with internal threads, the first right-handed extension pipe 41 and the first left-handed extension pipe 42 are both provided with external threads, the second rotating sleeve 5 is provided with internal threads, and the second right-handed extension tube 51 and the second left-handed extension tube 52 are both provided with external threads; both the first screw seat 2 and the second screw seat 3 include: a sleeve matching the pedicle screw 1 hole, the top screw 6 communicating with the sleeve hole, the end of the first screw seat 2 is provided with the first threaded sleeve 44 that clamps the sleeve 43, and the end of the second screw seat 3 is provided with a ball seat 53 socket and The second screw sleeve 54 threadedly connected with the second screw seat 3, according to the actual needs of procedures, the pedicle screw 1 can be designed as a solid structure, for the conve...

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Abstract

The invention relates to a spine minimally-invasive multi-azimuth orthopedic external fixing device. The fixing device comprises pedicle screws, a first screw seat, a second screw seat, a first rotary sleeve, a first right-handed extending pipe, a first left-handed extending pipe, a second rotary sleeve, a second right-handed extending pipe and a second left-handed extending pipe. The first screw seat and the second screw seat are arranged on the pedicle screws, the first right-handed extending pipe and the first left-handed extending pipe are arranged at the two ends of the first rotary sleeve respectively, and the second right-handed extending pipe and the second left-handed extending pipe are arranged at the two ends of the second rotary sleeve respectively. The end of the first right-handed extending pipe and the end of the first left-handed extending pipe are in sleeving connection with the first screw seat through arranged sleeves, ball cups are arranged at the end of the second right-handed extending pipe and the end of the second left-handed extending pipe respectively, and the second screw seat is movably connected with the ball cups. The spine minimally-invasive multi-azimuth orthopedic external fixing device is reasonable in structural design, can achieve spine minimally-invasive three-dimensional multi-angle adjusting orthopedic external fixing, and is small in operative wound, convenient to use, practical and suitable for further application and popularization.

Description

technical field [0001] The invention relates to the technical field of structural design of orthopedic medical instruments, and more specifically relates to a minimally invasive multi-directional orthopedic external fixation device for the spine. Background technique [0002] In the prior art, the surgical plan adopted for spinal compression fracture or deformity is to cut the skin, drive the pedicle screw into the vertebral body, and operate in vivo to reduce the fracture or deformity. The skin of the vertebral body and the upper and lower adjacent vertebral bodies is incised, the incision trauma is relatively large, and the recovery time of the patient is longer in the later stage. In view of this problem, it is a technical problem urgently to be solved by those skilled in the art to develop a kind of rational structural design, less surgical trauma, convenient and practical spinal minimally invasive multi-directional orthopedic external fixation device. Contents of the ...

Claims

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Application Information

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IPC IPC(8): A61B17/60A61B17/88
CPCA61B17/60A61B17/8805A61B2017/564
Inventor 房志刚李旺黄文迪
Owner 迪恩医疗科技有限公司