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Minimally invasive surgery distraction device and minimally invasive surgery distraction system

A technology of minimally invasive surgery and support frame, which is applied in the fields of surgery, surgical lighting, medical science, etc., can solve the problems of difficult operation of the opening device, unstable opening action, muscle tissue damage, etc., and achieves convenient perspective and opening. The effect of smooth action and convenient operation

Pending Publication Date: 2020-07-17
SHANDONG WEIGAO ORTHOPEDIC DEVICE COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention is to solve the technical problems that the existing spinal minimally invasive surgery distraction device is difficult to operate, the distraction angle is fixed and cannot be adjusted freely; Convenient, the opening angle can be adjusted freely, the opening action is stable and reliable minimally invasive surgery opening device and minimally invasive surgery opening system

Method used

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  • Minimally invasive surgery distraction device and minimally invasive surgery distraction system
  • Minimally invasive surgery distraction device and minimally invasive surgery distraction system
  • Minimally invasive surgery distraction device and minimally invasive surgery distraction system

Examples

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Embodiment Construction

[0040] Referring to the accompanying drawings, the present invention will be further described in detail with specific embodiments.

[0041] like Figure 1-8The minimally invasive surgery distraction device shown (in a closed state) includes a distraction cylinder assembly 10, a support frame 20, a base 30, a threaded drive rod cover 40, a light source interface part 50, a threaded drive rod 60, a first The transmission link 70, the second transmission link 80, the support frame 20 are connected with the base 30, and the expansion cylinder assembly 10 includes a left expansion half cylinder 11 and a right expansion half cylinder 12, and the top of the left expansion half cylinder 11 A first rotating shaft 11-1 is connected, and the first rotating shaft 11-1 is rotatably connected with the base 30. The top of the right half-cylinder 12 is connected with a second rotating shaft 12-1, and the second rotating shaft 12-1 is rotatably connected with the base 30. Connection, the thr...

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Abstract

The invention relates to a minimally invasive surgery distraction device and a minimally invasive surgery distraction system, and solves the technical problems that prior spinal minimally invasive surgery distraction devices are difficult to operate, the distraction angle is fixed and cannot be freely adjusted, and the distraction action is not stable enough and is easy to damage muscle tissues. The device comprises a distraction cylinder assembly, a support frame, a base, a threaded driving rod outer sleeve, a light source interface component and a threaded driving rod, the distraction cylinder assembly comprises a left distraction half cylinder and a right distraction half cylinder, the top of the left distraction half cylinder is rotationally connected to the base through a first rotating shaft, the top of the right distraction half cylinder is rotationally connected to the base through a second rotating shaft, the threaded driving rod outer sleeve is connected to the base, the threaded driving rod is matched with the threaded driving rod outer sleeve, and a screw is connected to the top of the threaded driving rod; and the bottom of the threaded driving rod is connected to theleft distraction half cylinder through a first transmission connecting rod, and the bottom of the threaded driving rod is connected to the right distraction half cylinder through a second transmissionconnecting rod. The device is widely applied to the technical field of medical instruments.

Description

technical field [0001] The invention relates to the technical field of minimally invasive spinal surgery, in particular to a minimally invasive surgical distraction device and a minimally invasive surgical distraction system. Background technique [0002] In the technical field of minimally invasive spinal surgery, minimally invasive spinal surgery has the advantages of small incision, less trauma, and quick recovery, which is the development trend of spinal surgery; For intervertebral disc decompression surgery, only a small channel is needed to open the surgical field of view and perform surgical operations. [0003] The invention patent application with the publication number CN110384526A discloses a minimally invasive surgery distraction device and a spreader. However, the spreader is difficult to operate, and the spreader angle is fixed and cannot be adjusted freely; the spreader action is not stable enough. Easy to cause damage to muscle tissue. Contents of the inve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/02A61B90/30
CPCA61B17/0218A61B17/025A61B90/30A61B2017/0092A61B2017/0256
Inventor 卢均强田康勇王利君
Owner SHANDONG WEIGAO ORTHOPEDIC DEVICE COMPANY
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