BOLAND, BRIAN R., II,CULLY, EDWARD H.,DUNCAN, JEFFREY B.,GOODMAN, PAUL D.
申请号：
CA2876704
公开号：
CA2876704A1
申请日:
2011.10.14
申请国别(地区):
CA
年份:
2012
代理人:
摘要：
The present invention provides methods and apparatuses for crossing orbypassing total or near total occlusions of vessels through the use ofelongate membersand specialized catheters that include a piercing catheter, a reentrycatheter, amultilumen, reentry catheter, and combinations thereof. A piercing cathetercomprises adistal tip used to pierce an occlusion in a crossing procedure and can beconfigured tomicrodissect the occlusion or provide support for an elongate member. Areentrycatheter comprises a distal side port and ramp to facilitate the reentry orperforation of avessel wall. A multi-lumen, reentry catheter comprises a tearable lumendivider and adistal side port and ramp.
