Christoph Gasche,Stephen Graham Bell,Wayne A. Noda,Bradley J. Sharp
申请号：
US11846730
公开号：
US08287447B2
申请日:
2007.08.29
申请国别(地区):
US
年份:
2012
代理人:
摘要：
An outer tube for natural orifice surgery. The outer tube can have interchangeable inserts to establish a desired size and number of lumens. A distal tapered soft plastic plug may be provided to cover the distal end of the tube. Different segments of the tube may have different stiffness characteristics.
