Patent ID: 8162960

Claim:
An anastomosis device, comprising: a cartridge having a body with a plurality of longitudinal channels open on the body; an anchor fitting for engaging a body vessel including a flange with a plurality of holes, each hole having a suture lock, the anchor fitting being removably coupled to a distal end of said cartridge and having an expandable anchor; a plurality of sutures, each suture being secured to a respective needle anchor and extending through at least one of the holes in said flange of said anchor fitting, and proximally through the body; and a pusher assembly slidably disposed within said cartridge, said pusher assembly being arranged to engage each needle anchor and to deploy said plurality of needle anchors out of said cartridge by moving said pusher assembly distally within said cartridge, said pusher assembly further comprising: a hub slidably received on said body; and a plurality of drive wires, wherein each of said drive wires is configured and adapted to be received in a respective one of said longitudinal channels of said body, said cartridge further comprising: a compression spring disposed about a central shaft and said drive wires and between said hub of said pusher assembly and a proximal surface of said body; and a cover configured and adapted to enclose said central shaft and said pusher assembly therein, said cover including a proximal head.