US 11,653,921 B2
Anti-buckling actuation members for a surgical instrument
Perry Krager, Colorado Springs, CO (US); Erin McConnaghy, Colorado Springs, CO (US); Allison Lyle, Boulder, CO (US); and Nathan Steketee, Westminster, CO (US)
Assigned to Bolder Surgical, LLC, Louisville, CO (US)
Filed by Bolder Surgical, LLC, Louisville, CO (US)
Filed on May 3, 2021, as Appl. No. 17/246,873.
Claims priority of provisional application 63/019,470, filed on May 4, 2020.
Prior Publication US 2021/0338238 A1, Nov. 4, 2021
Int. Cl. A61B 17/072 (2006.01); A61B 17/29 (2006.01)
CPC A61B 17/07207 (2013.01) [A61B 2017/07257 (2013.01); A61B 2017/07271 (2013.01); A61B 2017/07285 (2013.01); A61B 2017/2902 (2013.01); A61B 2017/2933 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An endoscopic surgical instrument, comprising:
a distal end configured to perform an action on tissue;
a proximal end;
a beam;
a drive rod; and
at least one rail supporting at least one bearing, the at least one bearing movable relative to the at least one rail;
wherein the distal end of the instrument is configured to receive at least a portion of the beam, the beam movable longitudinally in response to an action on the drive rod;
wherein the at least one rail is shaped and configured to contact the beam tangentially to prevent the beam from buckling as the beam is moved longitudinally; and
wherein the at least one bearing is configured to transmit a force from the drive rod to the beam.