Dual-geometry acetabular cup component and method of implant
CA 1283754 C · Owner: Khowaylo, Alex · Inventors: Khowaylo, Alex; Averill, Robert G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An acetabular cup has a shell component with an outer surface including a frusto-conical surface portion and a spherical surface portion and an acetabulum is prepared with an inner surface including a frusto-conical surface portion and a spherical surface portion the spherical surface portions having essentially the same radius and the frusto-conical surface portions having relative dimensions such that upon nesting of the spherical surface portions in contiguous relationship, the frusto-conical portions engage one another in an interference fit to secure the shell component within the prepared acetabulum.
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 May 7, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 7, 2008.
- 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.