Screw-based retractor with articulating blades
US11051796B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2019 |
| Grant date | Jul 6, 2021 |
| Priority date | — |
| Expiry date | Oct 9, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/0256
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A screw-based retractor comprises an elongate rack having a rack axis, a plurality of arms slidably supported for translational movement on the rack, and a plurality of blades, one each supported by a respective arm at a distal portion thereof. At least one of the arms includes at its distal portion a blade releasably attached thereto. Such blade is attached to a blade receptacle movably attached to the at least one arm in a manner to provide articulation of the blade receptacle and hence the attached blade about an articulation point spaced from and not located on such arm. Such blade is additionally movable relative to the rack in multiple degrees of freedom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.