US 12,102,402 B2
Slipper clutch for surgical tool bailout
Raffaele Definis, Loveland, OH (US); Benjamin L. Bertram, Crestview, KY (US); Christopher Denzinger, Cincinnati, OH (US); Heather E. Knox, Cincinnati, OH (US); Mark D. Overmyer, Cincinnati, OH (US); and Neil Markwardt, Redwood City, CA (US)
Assigned to Cilag GmbH International, Zug (CH)
Filed by Cilag GmbH International, Zug (CH)
Filed on Feb. 11, 2021, as Appl. No. 17/173,655.
Prior Publication US 2022/0249182 A1, Aug. 11, 2022
Int. Cl. A61B 34/37 (2016.01); A61B 10/02 (2006.01); A61B 10/04 (2006.01); A61B 17/128 (2006.01); A61B 17/28 (2006.01); A61B 17/3201 (2006.01); A61B 17/3211 (2006.01); A61B 18/14 (2006.01); A61B 34/00 (2016.01); A61B 17/00 (2006.01); A61B 18/00 (2006.01); A61B 34/30 (2016.01)
CPC A61B 34/37 (2016.02) [A61B 10/0233 (2013.01); A61B 10/04 (2013.01); A61B 17/128 (2013.01); A61B 17/28 (2013.01); A61B 17/3201 (2013.01); A61B 17/3211 (2013.01); A61B 18/14 (2013.01); A61B 34/76 (2016.02); A61B 2010/045 (2013.01); A61B 2017/00115 (2013.01); A61B 2018/00595 (2013.01); A61B 34/30 (2016.02); A61B 2034/305 (2016.02); Y10T 70/70 (2015.04)] 16 Claims
OG exemplary drawing
 
1. A robotic surgical tool, comprising:
a handle having a drive input and a spline operatively coupled to the drive input, wherein rotating the spline causes operation of a function of the robotic surgical tool;
a bailout ring arranged at the handle;
a slipper clutch mechanism received within the bailout ring and including:
a slip carrier rotationally fixed to the bailout ring and defining a vertical slot that slidably receives a pin;
a first ring arranged within the slip carrier and defining a first interface;
a second ring arranged within the slip carrier atop the first ring and defining a second interface; and
a pinion gear operatively coupled to the spline and arranged to intermesh with radial gear teeth defined on the second ring,
wherein manual rotation of the bailout ring rotates the slip carrier and the pin in the same direction and thereby rotates the first ring when the pin is received within the first interface,
wherein manual rotation of the bailout ring rotates the second ring once the pin locates and is received within the second interface, and
wherein rotating the second ring drives the pinion gear and rotates the spline to manually bail out the function of the robotic surgical tool.