Chegini, Salman,Richter, Joern,Thommen, Daniel,Senn, Peter
申请号：
AU2015350170
公开号：
AU2015350170A1
申请日:
2015.11.17
申请国别(地区):
AU
年份:
2017
代理人:
摘要：
The present invention is directed at minimally invasive systems in which the proximal end portion of the working channel has either zero or a limited range of movement in the lateral direction. A first embodiment has a slidable collar attached to a pair of flanges, wherein movement of the collar is bounded by an annular frame. A second embodiment has a substantially spherical element attached to the tube. A third embodiment has a plurality of caps. A fourth embodiment is adapted for a larger working channel.
