The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 18, 1990
Filed:
May. 30, 1989
Haruyuki Kawahara, Osaka, JP;
Seiichi Tsukamoto, Kanagawa, JP;
Yutaka Nomura, Kanagawa, JP;
Katsumi Tanaka, Kanagawa, JP;
Yasuyuki Ashiura, Kanagawa, JP;
Motonobu Yoshimura, Kanagawa, JP;
Haruyuki Kawahara, Osaka, JP;
Toho Titanium Co., Ltd., Tokyo, JP;
Abstract
A frameless and coreless porous endosseous implant comprising a porous sintered metal layer (2) having a range of relatively large pores and porous sintered metal layers having a range of relatively small pores and laminated into one body by sintering integrally with the layer on either side thereof, or a porous singered metal layer having a range of relatively small pores and porous sintered metal layers having a range of relatively large pores and laminated into one body by sintering integrally with the layer on either side thereof, whereby the three layers each permit the ingrowth and penetration out of two or more kinds out of fibrous tissue, osteoid tissue and bone tissue in the pores thereof.