Roy Pilletere,Matthew Dinino,Garrett Ebersole,Kevin Desjardin,Justin Thomas,Jacob Baril,Nicolette LaPierre,Eric Brown
申请号:
US16703383
公开号:
US20200253638A1
申请日:
2019.12.04
申请国别(地区):
US
年份:
2020
代理人:
摘要:
Access assemblies include an instrument valve housing and a valve assembly disposed within the cavity of the instrument valve housing. The valve assembly includes a guard assembly, a seal assembly disposed adjacent to the guard assembly, and a centering mechanism for maintaining the seal assembly and guard assembly centered within a cavity of the instrument valve. The guard assembly includes a support ring and a plurality of guard sections disposed distally of the support ring. The seal assembly includes a proximal seal member, an intermediate seal assembly, and a distal seal member, the intermediate seal assembly including a plurality of seal sections in a stacked configuration