Ratcheting torque wrench
US7363838B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 15, 2007 |
| Grant date | Apr 29, 2008 |
| Priority date | — |
| Expiry date | Feb 15, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/63
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and assembly for tightening a locking element in an orthopedic implant comprises a ratcheting mechanism that includes a shaft portion and a sleeve portion operatively connected over the shaft portion. The assembly further includes a first handle or wrench operatively connected to the shaft portion and a second handle or wrench operatively connected to the sleeve portion. The method comprises aligning the ratcheting mechanism over the orthopedic implant; operatively connecting the first wrench to the shaft portion; operatively connecting the second wrench to the sleeve portion; rotating the second wrench counter-clockwise to establish a position for leverage; holding the first wrench in a firm position; and rotating the second wrench clockwise while the first wrench is held in the firm position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.