Ellipsoidally-shaped humerus head prosthesis
US10478308B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Dec 5, 2018 |
| Grant date | Nov 19, 2019 |
| Priority date | — |
| Expiry date | Dec 5, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/4037
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A humerus head implant includes a head cap, a fixing component, and a bone-screw component. The head cap has a shape of half-an-ellipsoid extending into a positive z-direction along the z-axis, in positive and negative x-directions, and in positive and negative y-directions. The extension along the x-direction is in a range of 0.8 to 0.95 of the extension in the y-direction. There is a conical recess having a center axis that is displaced in the negative y-direction with respect to the z-axis and configured to interface with a conical section of the fixing component. This allows for rotation of the head cap relative to the fixing component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.