David D. Grewe,James D. Purdy,Kenneth Haselby,David Brocker
申请号:
US12330833
公开号:
US08858608B2
申请日:
2008.12.09
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A delivery and deployment device comprises a sheath having a proximal end, a distal end, and a lumen disposed therebetween a dilator having a distal end slidingly disposed within the sheath lumen a valve assembly comprising a valve housing affixed to the sheath and a valve disposed within the housing between the sheath and the dilator and a valve lubrication mechanism disposed between the valve and the dilator.