Patent ID: 8657743

Claim:
A control device for a medical system, the control device comprising: a control unit configured to carry out control processes that control the medical system, and a mobile handheld control unit in communication with the control unit and configured to control a first controllable element of the medical system by a user, wherein the control device is configured so that one or more of the control processes are only carried out by the control unit when the mobile handheld control unit is located at a predefined location, wherein the control device is configured to control a second controllable element of the medical system, the second controllable element not controllable by the mobile handheld control unit regardless of location of the mobile handheld control unit, wherein the medical system is a particle therapy system, and the control unit is configured to output a beam release signal, and wherein the control device is configured to output, as a first control process of the one or more control processes, the beam release signal only when the mobile handheld control unit is located at the predefined location.