Repositioning tool
US5707371A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 9, 1996 |
| Grant date | Jan 13, 1998 |
| Priority date | — |
| Expiry date | Aug 9, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/8886
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A repositioning tool for handling pedicle screws which have annular heads with parallel clamping faces is provided. The tool has a tongue-shaped portion connected to a handle, which tongue-shaped portion is brought into engagement with the head of a pedicle screw in the axial direction thereof. The tool can apply a tilting moment perpendicular to the length axis of the pedicle screw and can apply a torque. The tool comprises pliers with jaws (22, 24) including inwardly extending projections (28, 30) to engage opposite indentations (70, 72) provided along the periphery of the annular head (64) of the pedicle screw (60).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.