Screw guide and tissue retractor instrument
US11253274B2 · kind B2 · utility
0Cited by
38References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 2017 |
| Grant date | Feb 22, 2022 |
| Priority date | — |
| Expiry date | Feb 8, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/0256
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus is provided for performing spinal surgery having a handle assembly, a screw guide, and a retractor. A shaft is provided with a handle, a neck portion and a connecting portion. The screw guide is provided with a connecting element coupled to the connecting portion of the handle assembly. A retractor for retracting tissue is coupled to the screw guide, wherein the neck portion of the handle assembly is provided with a spring loaded sleeve adapted to engage one of a plurality of holes positioned on a portion of the connecting element. The connecting portion is pivotably coupled to the connecting element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.