US 12,408,904 B2
Handswitch and connector for powered surgical handpiece
Conor Mac An Tuile, Muine Bheag (IE); Krishnamurthy Belagali, Bangalore (IN); Aidan Raftery, Ballinasloe (IE); Michael Moloney, Carrick-On-Suir (IE); and Dustin James Payne, Kalamazoo, MI (US)
Assigned to Stryker European Operations Limited, Carrigtwohill (IE)
Appl. No. 17/602,920
Filed by Stryker European Operations Limited, Carrigtwohill (IE)
PCT Filed Apr. 10, 2020, PCT No. PCT/IB2020/053441
§ 371(c)(1), (2) Date Oct. 11, 2021,
PCT Pub. No. WO2020/208598, PCT Pub. Date Oct. 15, 2020.
Claims priority of provisional application 62/884,765, filed on Aug. 9, 2019.
Claims priority of provisional application 62/832,983, filed on Apr. 12, 2019.
Prior Publication US 2022/0175353 A1, Jun. 9, 2022
Int. Cl. A61B 17/00 (2006.01); H01H 21/22 (2006.01)
CPC A61B 17/00 (2013.01) [H01H 21/22 (2013.01); A61B 2017/00017 (2013.01); A61B 2017/00398 (2013.01); A61B 2017/00424 (2013.01); A61B 2017/00477 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A powered surgical handpiece including a handswitch, the powered surgical handpiece comprising:
a mounting base defining a pivot axis;
an elongated lever defining a lever axis normal to at least a direction of the pivot axis and the lever including:
a proximal end pivotably connected to the mounting base at the pivot axis,
a distal end opposite the proximal end,
a first track on an inner side, and
a second track on an outer side opposite the inner side with both tracks parallel to the lever axis,
wherein at least one of the first track and the second track is one of a T-slot and a T-track;
a spring between the base and the lever biasing the lever about the pivot axis;
a run-safe switch slidably disposed on the first track; and
a lever extension slidably disposed on the second track.