Fastener having torque optimized head
US7771459B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 6, 2005 |
| Grant date | Aug 10, 2010 |
| Priority date | — |
| Expiry date | Jun 6, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00004
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed is a medical fastener that can be mounted to a bone of a patient. The medical fastener can include a head portion comprising a recess having a first portion, a second tapered portion extending from the first portion, and a third cylindrical portion extending from the second tapered portion. A threaded body portion can extend from the head portion. The first portion and the second portion can have a Torx geometry or star-shaped configuration. Also disclosed is a driver usable to mount the medical fastener to the bone. The driver can include a tip that is complementary to the recess and an end that enables the driver to mount to a drill or other device that can rotate the driver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.