A medical device includes at least one ultrasound transducer, at least one temperature sensor, at least one driver circuit, and at least one processing device. The temperature sensor is configured to detect a temperature at or adjacent a surface of the ultrasound transducer that emits ultrasound during operation of the ultrasound transducer. The driver circuit is coupled to the ultrasound transducer. The processing device is configured to (i) determine whether the temperature detected by the temperature sensor meets a defined condition, (ii) control the driver circuit such that the ultrasound transducer produces ultrasound with therapeutic properties if the determination indicates that the temperature meets the defined condition and (iii) control the driver circuit such that the ultrasound transducer does not produce ultrasound if the determination indicates that the temperature does not meet the defined condition.
