Flexible drill and method of joining nitinol to dissimilar metals
US9006606B2 · kind B2 · utility
0Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2011 |
| Grant date | Apr 14, 2015 |
| Priority date | — |
| Expiry date | Oct 31, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/320032
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A flexible drill with a shaft having a nitinol portion (or nitinol region) provided between a stainless steel driver end and a stainless steel drill tip. The flexible drill with nitinol shaft is provided with a bearing surface to allow centering within a drill guide, low friction bearing and flexibility to drill around a curve. The bearing surface may be formed of a fluoropolymer such as LDPE (Low Density Polyethylene). The flexible drill shaft may be used through a drill guide, such as a curved drill sleeve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.