Patent ID: 6292702
Filing Date: 2001-09-18
Classification: A61M,A61N

Abstract:
An implantable medical device for providing therapy to a body comprising:an elongate central portion having an axis;at least one extendable member having an end, the extendable member depending from the central portion and being adapted to assume a range of positions, including a compact position, in which the end is disposed in close proximity to the central portion, and an extended position, in which the end is disposed at a location distal from the central portion;at least one therapy delivery element disposed on the extendable member for delivering therapy to the body, wherein the extendable member is a span adapted to coil around the central portion when the span is in the compact position, wherein rotation of at least one part of the central portion results in a coiling or uncoiling of the extendable member around the central portion; andfurther comprising a retainer tube having a notch for guiding the extendable member to or from the extended position.