Patent ID: 11933827
Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
Field: Medical technology (Instruments)
Classification: CPC G  A  H | IPC A  G  H

Claim 22:
23. A control input device comprising:
a support structure;
a handle moveable in one or more degrees of freedom with reference to the support structure; and
a capacitive sensor circuit electrically coupled to the handle;
wherein:
the handle is an antenna for the capacitive sensor circuit,
the handle is electrically isolated from the electrical ground,
the handle is rotatable in one or more rotational degrees of freedom about one or more corresponding rotational axes of the handle with reference to the support structure,
the handle includes a grip member and a central portion,
the grip member is rotatably coupled to the central portion by a coupling,
the coupling includes an insulator that provides electrical isolation of the handle from the electrical ground.