Preoperative incision positioning device for minimally invasive spine surgery

By designing transverse and longitudinal positioning components and vacuum adsorption fixation, the problems of inaccurate positioning and difficulty in lateral decubitus fixation in minimally invasive spinal surgery of existing devices have been solved, achieving precise and stable incision positioning and simplifying multi-segment spinal surgery operations.

CN115969535BActive Publication Date: 2026-04-14CHINA JAPAN FRIENDSHIP HOSPITAL
3 Cites 0 Cited by

Patent Information

Application Number
CN202211477111.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-23
Publication Date
2026-04-14
Estimated Expiration
2042-11-23

AI Technical Summary

Technical Problem

Existing minimally invasive spinal surgery incision positioning devices are difficult to calibrate accurately in lateral positioning, and require cumbersome repositioning in double-segment surgery, and cannot be fixed in the patient's lateral decubitus position.

Method used

A preoperative incision positioning device for minimally invasive spinal surgery, comprising lateral and longitudinal positioning components, was designed. It uses screw and connecting rod components for stepless transmission and is fixed to the patient's back by a vacuum suction plate to achieve bidirectional positioning and lateral decubitus fixation.

Benefits of technology

It achieves precise lateral and longitudinal positioning, simplifies the positioning process for multi-segment spinal incisions, and maintains device stability during lateral decubitus surgery, thus improving surgical efficiency.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The application discloses a preoperative incision positioning device for spine minimally invasive surgery, which comprises a support, a transverse positioning assembly transversely and slidably connected to the support and a longitudinal positioning assembly longitudinally and slidably connected to the support, the transverse positioning assembly comprising a scribing plate, a connecting rod component and a screw rod, the scribing plate being arranged on the opposite side and being rotatably connected to the two ends of the connecting rod component, the connecting rod component being arranged in a rhombic shape, and the screw rod being arranged at the proximal end of the rhombic connecting rod in a bidirectional thread, the proximal end of the rhombic connecting rod being driven to move towards the center, and the distal end of the rhombic connecting rod being driven to move away from the center, the longitudinal positioning assembly being provided with disc bodies capable of being vacuum adsorbed at the two ends and being provided with a gear set at the middle for driving the support in the same direction. The scribing plate is transversely driven by the screw rod and the connecting rod component, the screw thread drive itself has a certain damping, the movement and fixation are facilitated, the screw thread drive is continuously driven, and thus the scribing plate is conveniently transversely finely adjusted and positioned.
Need to check novelty before this filing date? Find Prior Art