Methods and devices that provide ultrasonic energy used to cause one or more nerves to become dysfunctional. A nerve to be treated is placed in the focal zone of ultrasonic energy emitted by ultrasound transducer. A first level of ultrasonic energy is provided to the nerve using the ultrasound transducer,...http://www.google.se/patents/US20060184069?utm_source=gb-gplus-sharePatent US20060184069 - Focused ultrasound for pain reduction
