Surgical access and nerve surveillance
US8489170B2 · kind B2 · utility
39Cited by
8References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2012 |
| Grant date | Jul 16, 2013 |
| Priority date | — |
| Expiry date | Jun 12, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/00595
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An expandable tip cannula system, comprising: a hollow cannula shaft having a proximal end and a distal end; and an expandable tip mounted at the distal end of the hollow cannula shaft, the expandable tip comprising a plurality of generally-triangular shaped petals held together in a radially-inwardly tapered arrangement between adjacent petals, each petal comprising a nerve sensing electrode disposed therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.