Patent ID: 9144493
Filing Date: 2015-09-29
Classification: A61F,F04C

Abstract:
1. A prosthesis delivery system comprising: a handle assembly comprising: a housing; and a control element comprising a thumbwheel with an exterior surface having a plurality of protrusions located on the exterior surface; and a delivery catheter extending from the handle assembly comprising: an outer sheath slidably controlled by the control element; and an inner shaft slidably controlled by the control element, the inner shaft having a valve retainer; a track having an exterior surface and a plurality of protrusions located on at least a portion of the exterior surface; an outer sheath carrier connected to the track and the outer sheath; an inner shaft carrier, having an exterior surface and a plurality of protrusions located on at least a portion of the exterior surface, connected to the inner shaft; and a secondary gear having an exterior surface and a plurality of protrusions located on the exterior surface, wherein the protrusions on the thumbwheel directly interface with the protrusions on the track, the protrusions on the track directly interface with the protrusions on the secondary gear, and the protrusions on the secondary gear also directly interface with the protrusions on the inner shaft carrier.