Danny Berry,Richard D. Gresham,Russell Heinrich,Patrick Helfrich
申请号：
US13445023
公开号：
US20120238827A1
申请日:
2012.04.12
申请国别(地区):
US
年份:
2012
代理人:
摘要：
A surgical access apparatus includes an access member defining a longitudinal axis and proximal and distal ends, and having a longitudinal opening. A central seal member is mounted to the access member at an approximate rotational center thereof. The central seal member has inner seal portions defining a seal passage dimensioned for sealed reception of a surgical object.
