Patent ID: 8157146
Filing Date: 2012-04-17
Classification: A61B

Abstract:
1. An endovascular stapler system for securing an endograft to a vessel, said system comprising: a plurality of staple cartridges each including staples formed from a memory alloy and an exit area for discharge of said staples therethrough, each of said staples including first and second legs joined by a central portion, said lees forming two parallel loops when in a natural condition each of said staples having two parallel straight legs joined by said central portion when in said deformed condition, said staples being in a deformed condition while in said plurality of staple cartridges; a staple housing including an internal staple guide having an arcuate path defined by flanges and limits of said internal staple guide, said plurality of staple cartridges being positioned in said staple housing, said internal staple guide being configured to receive said staples and maintain said staples in a deformed condition while said staples are contained within said housing, an actuating assembly adapted for actuating said plurality of staple cartridges for discharging said staples along said arcuate path and through said exit area; and an expansion mechanism in operative association with said plurality of staple cartridges, said expansion mechanism operative for pushing said exit area against said endograft when discharging said staples therethrough.