An ultrasonic probe is provided for medical applications which can be used both in high resolution imaging and therapy or other high intensity applications. The probe includes a primary ultrasonic transducer array operating at first resonant frequency and formed by a plurality of elements arranged linearly...http://www.google.com.au/patents/US6537224?utm_source=gb-gplus-sharePatent US6537224 - Multi-purpose ultrasonic slotted array transducer
