Voice control in a healthcare facility

A system to mitigate risk to a patient in a healthcare setting, the system comprising

• a medical product having at least one function that, when operated, has a possibility of causing harm to the patient, circuitry carried by the medical product and having a processor and memory storing software, and
• an array of microphones configured to receive voice inputs from a person in the vicinity of the medial product, wherein the array of microphones is in communication with the circuitry and the software is configured to cooperate with the array of microphones to use beam-forming techniques to infer a direction that the person's eyes are pointed based on the voice inputs, wherein the circuitry is configured to stop the at least one function that has the possibility of causing harm to the patient in response to a vocal stop command being spoken by the person while the person's eyes are inferred to be pointed toward the medical product.