Patent ID: 11911039
Assignee: CILAG GMBH INTERNATIONAL
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. An apparatus for creating an anastomosis between two lumens, comprising:
(a) a body;
(b) a shaft extending distally from the body;
(c) a stapling head assembly positioned at a distal end of the shaft, wherein the stapling head assembly includes:
(i) an annular deck member, wherein the annular deck member includes:
(A) a deck surface configured to contact a tissue defining a select one of the two lumens,
(B) an annular array of staple openings formed through the deck surface, and
(C) a plurality of staples configured to travel through the staple openings, each staple of the plurality of staples comprising a crown having a pair of straight portions and an angled central portion that interconnects inner ends of the straight portions such that the straight portions extend angularly relative to one another, and a pair of legs extending from outer ends of the straight portions of the crown, wherein each staple is expandable between a first configuration and a second configuration, wherein in the second configuration a distance between the pair of legs is greater than in the first configuration;

(ii) a staple driver operable to drive the plurality of staples through the annular array of staple openings; and

(d) an anvil configured to deform the staples driven by the staple driver to form a ring-shaped staple pattern configured to connect the two lumens.