Patent ID: 9119717
Filing Date: 2015-09-01
Classification: A61F

Abstract:
1. A delivery device for an implantable medical device having at least one retention member at an end thereof, the delivery device comprising: a shaft extending in a longitudinal direction; an elongated sheath surrounding a longitudinal portion of the shaft, the sheath being slidable relative to the shaft in the longitudinal direction; a compartment defined inside of the sheath and adapted to receive the medical device in an assembled condition; a retainer positioned at one end of the compartment, the retainer including an inner piece and an outer piece mounted on the inner piece so as to be rotatable about the inner piece and constrained from movement relative to the inner piece in the longitudinal direction; and at least one acceptance in the retainer adapted to receive the retention member of the medical device in the assembled condition, wherein the outer piece has a retention edge facing the compartment and the acceptance has a first region sized to receive the retention member, the acceptance including at least one protuberance defining a narrowed neck between the first region and the retention edge.