Acetabular shell system and method for making
US7655162B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 2, 2006 |
| Grant date | Feb 2, 2010 |
| Priority date | — |
| Expiry date | Jul 2, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L27/306
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method for forming an acetabular shell includes providing a working surface such as a mandrel, and spraying the working surface with a first layer of material having a first composition such as aluminum oxide. After a suitable thickness is generated, the spray composition is gradually changed to other compositions having desired particle sizes and distribution. In one example, the composition is changed to a mixture of aluminum oxide and titanium oxide and/or titanium. As thickness builds up, the relative amount of aluminum oxide is decreased such that the composition is all titanium and titanium oxide. After a desired thickness is generated, the acetabular shell is extracted off the mandrel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.