Scanner for ultrasonic scanning of surfaces.

摘要

Scanner for scanning surfaces with ultrasonic signals, in particular surfaces of parts of the body, provided with a scanner head (5) for the transmission of ultrasonic signals and the reception of the echoes hereof. The time passed between the emission of the signal and the reception of the echoes thereof, is a measure for the penetration depth into the surface. The scanner head (5) fits in a holder (6), which is provided with a foil window (7) to be fixed against the surface to be scanned, letting the ultrasonic signals pass through. It may be filled entirely with a liquid. The scanner has been fitted with means with which the scanner head may be moved parallel to the surface to be scanned, the ultrasonic signals hitting this surface under a fixed angle. Various constructions for moving the scanner head are included. <IMAGE>