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:
Aug. 19, 1997
Filed:
Apr. 17, 1996
Applicant:
Inventors:
Douglas W Kohrs, Edina, MN (US);
Hansen A Yuan, Fayetteville, NY (US);
David W Stassen, Edina, MN (US);
Assignee:
Spine-Tech, Inc., Minneapolis, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
623 17 ; 606 61 ;
Abstract
A intervertebral fusion implant includes first and second bearing surfaces which oppose cortical bone upon insertion of the implant into a bore formed between two vertebrae. The implant includes first and second ridges which extend from the bearing surface. The ridges extend through the cortical bone into cancellous bone. The ridges are provided with openings formed through the ridges. The openings are in communication with the interior of the implant.
Published as:
CA2191089A1; WO9531947A1; AU1841095A; US5609636A; EP0760639A1; US5658337A; AU695466B2; HK1004710A1; NZ281462A; KR100231490B1; EP0760639B1; ATE191634T1; JP2000505313A; DE69516279D1; ES2144606T3; DE69516279T2; CA2191089C; JP3509103B2;