Minimally invasive retraction device having removable blades
US8414625B2 · kind B2 · utility
9Cited by
50References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 21, 2011 |
| Grant date | Apr 9, 2013 |
| Priority date | — |
| Expiry date | Dec 21, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/037
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A retraction device comprises at least one retracting blade and a pedicle screw. The retracting blade has a distal end having at least one projection with a passage for engaging a retention pin. The pedicle screw has a threaded body and a movable head. The movable head has at least one recess with a channel that can be aligned with the passage of the projection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.