Anchor driver with assured seating
US8231636B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2008 |
| Grant date | Jul 31, 2012 |
| Priority date | — |
| Expiry date | May 20, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/3987
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical instrument for securing an anchor in a target area of the skull of a patient, wherein the anchor has a shaped surface, a top and a base. In one embodiment, the surgical instrument includes a driver having a first end, an opposite, second end, and a body portion defined therebetween forming a bore therein along a longitudinal axis, where the bore is configured to allow the anchor to be received therein, a first inner surface formed inside the bore proximate to the first end, wherein the first inner surface is formed with a shape that is complimentary to the shaped surface of the anchor, and a second inner surface formed inside the bore and between the first inner surface and the second end, wherein the second inner surface is formed with a shape that is different from that of the first inner surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.