US 11,717,361 B2
Electrosurgical robotic system having tool presence detection
Brian Rockrohr, Guilford, CT (US)
Assigned to Covidien LP, Mansfield, MA (US)
Appl. No. 16/611,247
Filed by Covidien LP, Mansfield, MA (US)
PCT Filed May 7, 2018, PCT No. PCT/US2018/031292
§ 371(c)(1), (2) Date Nov. 6, 2019,
PCT Pub. No. WO2018/217429, PCT Pub. Date Nov. 29, 2018.
Claims priority of provisional application 62/510,567, filed on May 24, 2017.
Prior Publication US 2020/0155251 A1, May 21, 2020
Int. Cl. A61B 34/35 (2016.01); A61B 18/14 (2006.01); A61B 18/00 (2006.01)
CPC A61B 34/35 (2016.02) [A61B 18/1445 (2013.01); A61B 2018/00178 (2013.01); A61B 2018/00577 (2013.01); A61B 2018/00589 (2013.01); A61B 2018/00601 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A robotic surgical system comprising:
an electrosurgical generator;
an electrosurgical instrument including an electrosurgical connector; and
a robotic arm including an instrument drive unit coupled to the electrosurgical instrument, the instrument drive unit including a drive unit housing having:
an electrosurgical receptacle coupled to the electrosurgical generator and configured to engage the electrosurgical connector;
an activation link including:
a first segment engageable by the electrosurgical connector;
a second segment; and
a bent portion interconnecting the first segment and the second segment, wherein the first and second segments are configured to flex about the bent portion; and
a detection switch actuatable by the actuation link second segment upon the first segment being engaged by the electrosurgical connector.