Screw inserter instruments and methods
US11123113B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2019 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Jun 13, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/036
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Screw inserter instruments and methods for implanting a bone screw are disclosed herein. In one exemplary embodiment, a screw inserter instrument can include a driver shaft, a retaining sleeve disposed around the driver shaft, and a locking sleeve disposed around the retaining sleeve. The locking sleeve can have a first position in which rotation of the driver shaft causes corresponding rotation of the retaining sleeve while the locking sleeve is held stationary, and a second position in which rotation of the locking sleeve causes corresponding rotation of the retaining sleeve while the driver shaft is held stationary.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.