Patent ID: 9364324
Filing Date: 2016-06-14
CPC Classification: A61F,A61M

Claim Text:
1. A delivery system for delivery of a device to a body lumen, the device comprising a proximal end and a distal end, a central lumen therethrough, and a plurality of attachment members located at or near the proximal end, the system comprising: an elongated inner catheter having a proximal end and a tapered, distal end for insertion into a body lumen; an elongated holding catheter having a proximal end, a distal end, a center lumen passing therethrough to slidably maintain the inner catheter, and a coil on the distal end of the holding catheter configured for engagement through openings in the plurality of attachment members on the device, wherein the coil comprises at least one complete winding of material, and wherein the winding of the coil is configured about a longitudinal axis of the holding catheter; and an elongated outer sheath having a proximal and a distal end and a center lumen passing therethrough to slidably and rotatably maintain the holding catheter, to collapse the device as the holding catheter is slid proximally therethrough, and to hold the device in a collapsed configuration for delivery to a body lumen.