Screw-driving tool for implant screws
US7107883B2 · kind B2 · utility
15Cited by
10References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 14, 2004 |
| Grant date | Sep 19, 2006 |
| Priority date | — |
| Expiry date | Sep 27, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/067
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a screw-driving tool for implant screws having an elongate handle (2) and having a bar-shaped tool which is anchored in the elongate handle (2). An elastic, hollow spiral (10) is provided for the transmission of a predetermined torque, with a bar (3) being guided through the spiral (10) and being fixedly connected to the rotatable side of the spiral and indicating a rotational angle or a torque respectively at the opposite side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.