Patent · US Expired

Implants with modified surfaces for increased biocompatibility, and method for production thereof

US6627321B1 · kind B1 · utility

32Cited by

2References

37Claims

0Family size

Assignee

ASTRA TECH AB · SE

Inventors

Jan Eirik Ellingsen · Oslo, NO
Ketil Videm · Oslo, NO
Lars Opsahl · Askim, NO
Hans Jacob Ronold · Oslo, NO

Key dates

Filing date	Sep 25, 2001
Grant date	Sep 30, 2003
Priority date	—
Expiry date	Sep 25, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/254
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An implant with a surface modified for improved bio-compatiability consisting of a metal or an alloy thereof, said implant surface comprising a modified outer layer is disclosed, wherein said metal preferably is titanium, zirconium, hafnium or tantalum, and most preferably titanium, and said modified outer layer preferably comprises a hydride of said metal. Also a method for the production of such an implant is disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.