BALLOON RELEASE MECHANISM FOR TAVI IMPLANT

摘要

A delivery system for an implantable medical device having at least one retention member at an end thereof includes a shaft extending in a longitudinal direction. An elongated sheath surrounds the shaft. The sheath is slidable relative to the shaft in the longitudinal direction. A space is defined inside of the sheath and is adapted to receive the medical device in an assembled or collapsed condition. A retainer is positioned at a first end of the space. At least one recess is provided in the retainer and is adapted to receive the retention member of the medical device in the assembled condition. A selectively activable member is disposed in the compartment between the longitudinal shaft and the medical device. When in an activated state, the member expands radially relative to the shaft, thereby urging the retention member to disengage from the recess.

主权项

1. A delivery system for an implantable medical device having at least one retention member, the delivery system comprising:
a shaft extending in a longitudinal direction; an elongated sheath surrounding the shaft, the sheath being slidable relative to the shaft in the longitudinal direction; a space defined inside of the sheath and adapted to receive the medical device in an assembled condition; a retainer positioned at a first end of the space, the retainer having at least one recess adapted to receive the retention member of the medical device in the assembled condition; and a selectively activable inflatable member adapted to be disposed in the space between the longitudinal shaft and the medical device, wherein in an activated state, the inflatable member expands radially relative to the shaft, thereby urging the at least one retention member to disengage from the at least one recess.