Patent · US Expired

Implant material

US5306302A · kind A · utility

36Cited by

5References

18Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Hans Bauer · Wattwil, CH
Bianca Katzenmeier · Weiterstadt, DE
Matthias Kuntz · Seeheim-Jugenheim, DE

Key dates

Filing date	Sep 9, 1991
Grant date	Apr 26, 1994
Priority date	—
Expiry date	Sep 9, 2011

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61L2430/40
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

The invention relates to an implant material based on natural bone, which material is a sintered ceramic material in which the porous fine structure of the bone is present in essentially unchanged form and which comprises more than 99% of hydroxyapatite.

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