Patent ID: 7771455

Claim:
A method of closing a puncture wound, said wound having a length along a tissue tract running from a skin surface and resolving at an interior opening of a vessel or cavity comprising: placing the closure device for closing a puncture wound into a delivery sheath and placing said delivery sheath into an introducer sheath in said tissue tract, and directing said delivery sheath to said interior opening of said vessel or cavity, said device deliverable in a delivery sheath, said puncture wound having a length along a tissue tract that resolves in an interior opening of a vessel or cavity, said closure device comprising: (a) a distal section for placing inside said interior opening of said vessel or cavity, said distal section lodged in a delivery sheath having proximal and distal ends, said delivery sheath capable of penetrating said wound along said length of said wound to pass through said interior opening and release said distal section, said released distal section capable of rotation of about 90 degrees to provide resistance against said interior opening, (b) a proximal section connected to said distal section, said proximal section comprising a bunchable material capable of bunching in said tissue tract upon deployment, said proximal section also released from said delivery sheath in an unbunched state, bunchable upon release, (c) a first tension member connected to said distal section for rotating said distal section 90 degrees inside said vessel or cavity and placing said distal section inside said interior opening of said vessel or cavity to provide resistance against said interior opening, (d) a second tension member connected to said proximal section for bunching said bunchable material of said proximal section within said tissue tract, thereby closing said puncture wound, and (e) a plunger for pushing said distal section into said vessel and rotating it 90 degrees in coordination with a pulling of said first tension member, and for bunching said proximal section by pushing distally with said plunger while said second tension member is pulled proximally toward the skin surface, pushing said plunger positioned within said delivery sheath distally enough to deploy said distal section in said vessel, rotating said distal section about 90 degrees inside said vessel or cavity while pulling said tension member and pushing on said plunger, placing said rotated distal section against said interior of said vessel or cavity by pulling back on said delivery sheath until said rotated distal section seats against the vessel wall, withdrawing said introducer sheath and delivery sheath gradually along said tissue tract, pushing said plunger lodged within said delivery sheath distally to release said proximal section in said tissue tract, and bunching said proximal section by pulling said second tension member and pushing said plunger, thereby providing closure for said puncture wound along the tissue tract.