Self-locking resorbable screws and plates for internal fixation of bone fractures and tendon-to-bone attachment
US5275601A · kind A · utility
540Cited by
10References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 1991 |
| Grant date | Jan 4, 1994 |
| Priority date | — |
| Expiry date | Sep 3, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S606/907
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbable bone screw and plate system with self-locking properties. The absorbable bone screw comprises a threaded shaft portion 1 for insertion into bone and a head portion 3 for rigid connection in the screw hole 13 of a bone plate 20, the diameter of said head portion 3 increasing in the direction opposite to the shaft portion 1, and the outer surface of said head portion 3 being provided with a three-dimensional structure 4 in the form of corrugations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.