Robot guided oblique spinal stabilization

US8992580B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8992580-B2
Application numberUS-200913132095-A
CountryUS
Kind codeB2
Filing dateDec 1, 2009
Priority dateDec 1, 2008
Publication dateMar 31, 2015
Grant dateMar 31, 2015

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Abstract

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A robotic system for performing minimally invasive spinal stabilization, using two screws inserted in oblique trajectories from an inferior vertebra pedicle into the adjacent superior vertebra body. The procedure is less traumatic than such procedures performed using open back surgery, by virtue of the robot used to guide the surgeon along a safe trajectory, avoiding damage to nerves surrounding the vertebrae. The robot arm is advantageous since no access is provided in a minimally invasive procedure for direct viewing of the operation site, and the accuracy required for oblique entry can readily be achieved only using robotic control. This robotic system also obviates the need for a large number of fluoroscope images to check drill insertion position relative to the surrounding nerves. Disc cleaning tools with flexible wire heads are also described. The drilling trajectory is determined by comparing fluoroscope images to preoperative images showing the planned path.

First claim

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We claim: 1. A system for performing a minimally invasive spinal stabilization procedure between two adjacent vertebrae of a subject, the system comprising: a surgical robot mounted such that it defines at least one path for oblique screw insertion from the pedicle region in an inferior one of said two adjacent vertebrae into the body of the adjacent superior vertebra, towards its anterior cortical rim; a control system receiving three-dimensional preoperative data, including in…

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What does patent US8992580B2 cover?
A robotic system for performing minimally invasive spinal stabilization, using two screws inserted in oblique trajectories from an inferior vertebra pedicle into the adjacent superior vertebra body. The procedure is less traumatic than such procedures performed using open back surgery, by virtue of the robot used to guide the surgeon along a safe trajectory, avoiding damage to nerves surroundin…
Who is the assignee on this patent?
Bar Yossef, Zehavi Eli, Lieberman Isador, and 2 more
What technology area does this patent fall under?
Primary CPC classification A61B17/70. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Mar 31 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).