Expandable surgical access port
US8961408B2 · kind B2 · utility
20Cited by
137References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2011 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | May 18, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/347
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical access assembly for positioning within an opening in tissue including an outer frame positionable outside a patient and defining an opening therein dimensioned to receive a surgical instrument therethrough. The outer frame includes a first portion, a second portion and a locking portion. An inner member is positionable within a patient and a flexible member extends between the inner member and outer frame and is spreadable by actuation of the outer frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.