US 12,144,504 B2
Surgical stapler with expandable jaw
Jonathan Covach, Mission Viejo, CA (US); Matthew M. Becerra, Lake Forest, CA (US); and Gary M. Johnson, Rancho Santa Margarita, CA (US)
Assigned to Applied Medical Resources Corporation, Rancho Santa Margarita, CA (US)
Filed by Applied Medical Resources Corporation, Rancho Santa Margarita, CA (US)
Filed on Feb. 9, 2023, as Appl. No. 18/166,698.
Application 18/166,698 is a continuation of application No. 17/830,703, filed on Jun. 2, 2022, granted, now 11,607,220.
Application 17/830,703 is a continuation of application No. 17/024,367, filed on Sep. 17, 2020, granted, now 11,389,163, issued on Jul. 19, 2022.
Application 17/024,367 is a continuation of application No. 15/788,118, filed on Oct. 19, 2017, granted, now 10,888,326, issued on Jan. 12, 2021.
Application 15/788,118 is a continuation of application No. 14/211,570, filed on Mar. 14, 2014, granted, now 9,820,742, issued on Nov. 21, 2017.
Claims priority of provisional application 61/793,065, filed on Mar. 15, 2013.
Prior Publication US 2024/0268824 A1, Aug. 15, 2024
Int. Cl. A61B 17/072 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/07207 (2013.01) [A61B 2017/0046 (2013.01); A61B 2017/00477 (2013.01); A61B 2017/07257 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A surgical stapler comprising:
an elongate shaft having a proximal end and a distal end and defining a longitudinal axis between the proximal end and the distal end;
an actuation beam longitudinally slidable in the elongate shaft, the actuation beam having a distal end having an I-beam profile comprising a first guide and a second guide formed thereon; and
a jaw assembly disposed at the distal end of the elongate shaft, the jaw assembly comprising:
a first jaw extending distally from the distal end of the elongate shaft;
a second jaw opposed to the first jaw, the second jaw having a proximal end and a distal end; and
a link having a proximal end and a distal end, the proximal end of the link pivotably coupled to the distal end of the elongate shaft, and the distal end of the link pivotably coupled to the proximal end of the second jaw, the link comprising a guide slot comprising an opening segment and a firing transition segment, the second guide of the actuation beam slidably positionable in the guide slot.