Prosthetic device
CA 1059701 A · Owner: Howmedica · Inventors: Crep, John A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A shoulder prosthesis is described having a metal humeral cup component with an extending stem for insertion into the intramadullary canal of the humerus bone. The prosthesis also has a scapular or intracancellous component including a ball which in use, is embraced within the cup between a pair of ultra high molecular weight polyethylene lining inserts which are locked, within the cup under a strong resilient plastic locking ring which snaps into a circular groove about the rim of the cup. The mouth of the cup and the locking ring have mutually engaging bevelled surfaces. The ball and attached scapular component freely pivot or articulate within the cup and lining inserts.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted August 7, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 7, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.