Patent · US Expired

Bone-graft material and method of manufacture

US4781721A · kind A · utility

77Cited by
10References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 19, 1986
Grant dateNov 1, 1988
Priority date
Expiry dateMay 19, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S623/901
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

This invention relates to bone-graft material or implant and to the method of producing the same, for the replacement of animal and human bones and bone parts. The material or implant comprises a morphologically stable, open-pored or open-celled moulding having a sponge-like structure. The mean width of the pores or cells in the implant is in the range of 0.5 to 1.5 mms. and preferably of 0.8 to 1.0 mm. The implant may be made of metal or plastic material, and may be of any desired shape, such as a wedge, a key, a parallelepiped, a cylinder, a disc or a sheath, for example.

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