Method of percutaneously fixing a connecting rod to a spine
US8512383B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 18, 2010 |
| Grant date | Aug 20, 2013 |
| Priority date | — |
| Expiry date | Mar 12, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/7086
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method of attaching an extension to a bone anchor for use in percutaneous spinal surgery is provided that comprises the steps of: providing a bone anchor including a first portion for attachment to a vertebra and a second portion for attachment to a connecting element, the bone anchor including an extension coupling surface; providing an elongate hollow extension having a distal end and a proximal end, the extension having a rotationally movable anchor engaging member projecting radially from the distal end thereof; placing the distal end of the extension adjacent the bone anchor; and rotating the anchor engaging member to engage the extension coupling surface on the anchor and couple the extension and the bone anchor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.