DELIVERY SYSTEM AND METHOD OF USE FOR DEPLOYMENT OF SELF-EXPANDABLE VASCULAR DEVICE

摘要

A delivery system for a self-expandable prosthesis includes a catheter having a distal portion and a proximal portion, a balloon portion positioned on the distal portion, and a self expanding medical device positioned about the balloon portion. The medical device has a compressed state and an expanded state. A sheath couples the medical device in its compressed state about the balloon portion and has only a single opening in a wall of the sheath. When the balloon is expanded, the sheath is configured to (i) first rupture at the single opening, thereby allowing the medical device to self-expand and engage an inner wall of a vessel, and (ii) controllably continue the rupturing from the single opening to the proximal end of sheath, thereby allowing the medical device to expand to its expanded state and a portion of the medical device to engage an inner wall of the vessel.

主权项

1. A delivery system for a self expanding medical device, comprising:
a catheter having a distal portion and a proximal portion; a balloon portion positioned on the distal portion of the catheter; a self expanding medical device positioned about the balloon portion, the medical device having a compressed state and an expanded state; and a sheath coupling the medical device in its compressed state about the balloon portion, the sheath having a proximal end and a distal end, the sheath having only a single opening in a wall of the sheath between the proximal end and the distal end, wherein, when the balloon is expanded, the sheath is configured to (i) first rupture at the single opening, thereby allowing the medical device to self-expand and engage an inner wall of a vessel, and (ii) controllably continue the rupturing from the single opening to the proximal end of sheath, thereby allowing the medical device to expand to its expanded state and a portion of the medical device to engage an inner wall of the vessel.