A pusher assembly for a delivery system for a self-expanding stent (6) which is delivered by proximal withdrawal of a sheath (4) radially surrounding the stent has a stent pusher element (8) which defines a lumen for a guidewire (2), a pusher strand (16) that extends to the proximal end of the delivery...http://www.google.de/patents/US8075606?utm_source=gb-gplus-sharePatent US8075606 - Delivery system having a rapid pusher assembly for self-expanding stent, and stent exchange configuration
