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Trajectory guidance device and system for surgical instruments

A technique of surgical operation and trajectory, applied in the direction of surgery, stereotaxic surgical instruments, applications, etc.

Inactive Publication Date: 2017-08-01
英特格锐迪移植股份公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When using a hammer or similar instrument, there is a greater risk of the instrument rapidly passing through the cancellous bone and out the other side of the vertebrae

Method used

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  • Trajectory guidance device and system for surgical instruments
  • Trajectory guidance device and system for surgical instruments
  • Trajectory guidance device and system for surgical instruments

Examples

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Embodiment Construction

[0035] specific implementation plan

[0036] While the invention is susceptible to many forms of embodiment, a presently preferred embodiment is shown in the drawings and hereinafter will be described, the invention is not limited thereto, it being understood that this disclosure is to be considered exemplary of the invention, It is not intended that the invention be limited to the particular embodiments shown.

[0037] In order to improve the safety and efficiency of surgical procedures, various embodiments and surgical uses of trajectory monitoring systems are described. In one embodiment, set forth by way of example only, the present invention can facilitate safe and reproducible pedicle screw placement by monitoring the axial trajectory of various surgical instruments used during guide hole formation and / or screw insertion. In another embodiment, set forth by way of example only, intraoperative imaging performance may be improved and radiation exposure minimized by monito...

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Abstract

The invention relates to a trajectory guidance instrument that is securable to a surgical tool for use in conjunction with X-ray machines. More particularly, the device includes a radiolucent outrigger having radiodense indicia disposed on the outrigger so that the radiodense indicia is visible via an X-ray machine to provide an angular trajectory for the instrument. The outrigger is securable to various surgical tools for the purpose of providing real time trajectory guidance to surgeons during a procedure. In general, the precision trajectory guidance instrument comprises a substantially rigid outrigger device which it securable to a portion of the surgical tool for trajectory guidance. The trajectory guidance instrument may be attached with clips, fasteners, adhesives, hook and loop or the like.

Description

technical field [0001] The present invention relates to a trajectory guiding instrument fixable to a surgical tool for use with an X-ray machine. In particular, the device includes a radiolucent outrigger having radiopaque markers disposed thereon that are visible via an x-ray machine to provide an angular trajectory for the instrument. Background technique [0002] Medical procedures involving the vertebrae are often complex because precision and accuracy are required to avoid nerve damage and damage to major blood vessels. Precise depth-guided instruments are required for percutaneous spinal surgery. These procedures sometimes involve penetrating the hard cortical bone of the vertebrae and passing through the softer cancellous bone underneath. Surgeons typically require high force to penetrate cortical bone. Once the cortical bone is penetrated, extreme care must be taken to avoid rapid penetration of all cancellous bone. There is also the danger of rapid passage throu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B10/02A61B17/34
CPCA61B10/025A61B17/3403A61B17/3472A61B2010/0258A61B2090/376A61B2090/3966A61B90/11A61B6/12
Inventor W·D·盖斯特
Owner 英特格锐迪移植股份公司
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