Self foreshortening fastener
US7824434B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 6, 2005 |
| Grant date | Nov 2, 2010 |
| Priority date | — |
| Expiry date | Sep 24, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00004
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed is a fastener that can be mounted to a bone of a patient and can foreshorten and swell of a desired period of time. The fastener can include a head portion and a body portion extending from the head portion. At least one of the head portion and the body portion has a first width that changes to a second width greater than the first width and collectively the head portion and the body portion have a first length that changes to a second length shorter than the first length upon the head portion and the body portion being exposed to a temperature below a glass transition temperature of a polymeric material forming the head portion and the body portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.