Expandable surgical access port
US8864658B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2011 |
| Grant date | Oct 21, 2014 |
| Priority date | — |
| Expiry date | Oct 16, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/3488
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method of accessing an internal portion of a patient including the steps of providing an access assembly including an outer frame, an inner member and a flexible member, inserting the inner member through an opening in tissue into a body of a patient with the flexible member extending proximally through the opening in tissue, moving at least a first portion or second portion of the outer member to a select unlocked spread position to enlarge the opening in tissue and the passageway through the flexible member, and subsequently moving the locking member to move the first and second engagement structures into a locking position to lock the first portion in the select spread position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.