Ebersole, Garrett,LaPierre, Nicolette,Dinino, Matthew,Desjardin, Kevin,Pilletere, Roy,Brown, Eric
申请号：
AU2019271934
公开号：
AU2019271934A1
申请日:
2019.11.26
申请国别(地区):
AU
年份:
2020
代理人:
摘要：
#$%^&*AU2019271934A120200723.pdf#####SEALS FOR SURGICAL ACCESS DEVICES ABSTRACT A cannula (100) comprising: an instrument valve housing (110) including first and second housing sections (112 and 114) and defining a cavity (113)； and a valve assembly (120) disposed within the cavity (113) of the instrument valve housing (110), the valve assembly (120) including: a seal assembly (170) including at least one seal member, the at least one seal member including a ring portion and a septum seal extending across the ring portion, a guard assembly (130) supporting the seal assembly (170), the guard assembly (130) including a plurality of guard members, each guard member of the plurality of guard members having a ring portion and a flap portion, the flap portion of each guard member of the plurality of guard members including first and second flap sections and a groove disposed between the first and second flap sections, a centering mechanism (150) including an annular ring (152) and a plurality of spokes (154) extending outwardly from the annular ring (152), the seal and guard assemblies (170, 130) being supported within the annular ring (152) and the annular ring (152) being disposed within the cavity (113) of the instrument valve housing (110), wherein the flap portions of the plurality of guard members of the guard assembly are configured to engage and stretch the septum seal during reception of a surgical instrument through the valve assembly (120).1/7 074
