Patent ID: 11857147
Assignee: CMR SURGICAL LIMITED
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A method of activating an electrosurgical instrument attached to a surgical robot arm, the method comprising:
periodically generating, at a surgical robot arm control unit, a token comprising information indicating a time at which the token was generated;
for each generated token:
transmitting the token from the surgical robot arm control unit to an external computing device;
receiving the token at the external computing device;
in response to the external computing device receiving input indicating that the electrosurgical instrument is to be activated, transmitting a modified version of the received token to the surgical robot arm control unit, the modified version of the token indicating that the electrosurgical instrument is to be activated; and
if the surgical robot arm control unit receives the modified version of the token within a threshold amount of time from when the token was generated, outputting one or more signals that cause the electrosurgical instrument to be activated.