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:
Nov. 30, 2004
Filed:
Jun. 25, 2002
Tomas Albrektsson, Göteborg, SE;
Lars Carlsson, Kullavik, SE;
Magnus Jacobsson, Göteborg, SE;
Warren Macdonald, Bournemouth, GB;
Stig Wennberg, Gunnilse, SE;
Astra Tech AB, Molndal, SE;
Abstract
An implant ( ) for insertion into and permanent anchorage in bone tissue having an intraosseous anchoring structure ( ). The anchoring structure ( ) has a generally circular cross-section and comprises a first cylindrical section ( ) of a first diameter, a second cylindrical section ( ) of a second diameter less than the first diameter, said first and second cylindrical sections ( ) each being provided with a screw thread profile. The anchoring structure ( ) also comprises a tapered connecting section ( ) provided between an interconnecting said first and second cylindrical sections ( ).