LANE, RANDY MATTHEW,NYULI, COLIN A.,MARKO, ALEXEI J.,NEALE, KRISTA L.
申请号：
CA3065854
公开号：
CA3065854A1
申请日:
2012.11.20
申请国别(地区):
CA
年份:
2013
代理人:
摘要：
A delivery system for delivering a prosthetic cardiac valve to a patient'sheart, the hearthaving a mitral valve with an anterior leaflet and a posterior leaflet. Thedelivery systemincludes a prosthetic cardiac valve and an inner guidewire shaft having alumen extendingtherethrough. The lumen sized to slidably receive a guidewire. The deliverysystem alsoincludes a distal tissue penetrating tip coupled to a distal portion of theinner guidewire shaft.The distal tip adapted to pass through and expand tissue in the heart. Acontinuous flaredregion couples the inner guidewire shaft with the distal tip. The continuousflared regionconfigured to support the prosthetic cardiac valve thereby reducing oreliminating unwantedbending of the prosthetic cardiac valve. The delivery system also includes ahub shaftconcentrically disposed over the inner guidewire shaft. The prosthetic cardiacvalve isreleasably coupled to a distal portion of the hub shaft. The delivery systemalso includes a bellshaft slidably and concentrically disposed over the hub shaft and an outersheath slidably andconcentrically disposed over the bell shaft. The prosthetic cardiac valve ishoused in the outersheath in a radially collapsed configuration. The delivery system furtherincludes a handle neara proximal end of the delivery system. The handle comprises an actuatormechanism adaptedto advance and retract the bell shaft and the sheath.
