An ultrasonic imaging probe is provided which is capable of capturing “on-the-fly” scanning planes in successive positions of the probe so as to form a volumetric image representation at a real time frame rate. The probe includes a flexible sealing membrane for a coupling fluid. Laterally extending...http://www.google.es/patents/US7588540?utm_source=gb-gplus-sharePatente US7588540 - Ultrasonic probe for scanning a volume