Patent · US Expired

Porous implant with two sets of pores

US5464440A · kind A · utility

298Cited by
8References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 18, 1994
Grant dateNov 7, 1995
Priority date
Expiry dateMay 18, 2014

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2250/0023
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

The present invention relates to an implant made of a porous non-toxic material having a total open porosity exceeding 5% by volume but not exceeding 80% by volume within at least one portion of the implant, which is characterized in that: communicating micropores, having a size of less than or equal to 10 .mu.m, make up not more than 10% of the total pore volume in said at least one portion of the implant; and at least 5% of at least one section of the surface on the implant is covered by substantially evenly distributed pores having a pore size exceeding 50 .mu.m.

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