Patent ID: 7794473

Claim:
A vessel filter delivery device, comprising: a) a catheter having a catheter wall with inner and outer wall surfaces, the inner wall surface surrounding a catheter lumen, the catheter having proximal and distal ends; b) an elongated flexible wire disposed in the catheter lumen; c) a pusher pad attached to a distal end of said elongated flexible wire; d) an extension wire having a proximal end connected to the pusher pad and extending distally thereof in the catheter lumen; e) a vessel filter having a head and a plurality of appendages attached to the head, the vessel filter contained within the catheter lumen with the appendages positioned distally of the head; f) hooks on the appendages, each hook having a hook free end; and g) a receptacle attached to a distal end of the extension wire, the receptacle having a plurality of circumferentially spaced apart openings that each receive the hooks of the vessel filter appendages.