Contoured reamer teeth and method of manufacture
US7922722B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2006 |
| Grant date | Apr 12, 2011 |
| Priority date | — |
| Expiry date | Oct 19, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/1666
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An acetabular reamer (10′) for cutting a required cut shape is described. The reamer (10′) has a cutting shell (12′) having a series of doubly curved cutting teeth (16′) thereon of a quantity to substantially reduce a cutting pressure on each tooth as well as to reduce a size of a typical chip generated upon cutting. Substantially all of the teeth have a matched arc cutting edge (20′) of substantial length that has a cutting profile which substantially matches a profile of a shape to be cut. The apertures in which the cutting edges are formed have at least one straight edge (80) by which a punch, used in the process of forming the edge, may be oriented. Such a configuration reduces the number of teeth required to cut the shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.