| 摘要 |
<p>A shielded ultrasound transducer (10) which includes an ultrasound probe (16) having an acoustic aperture and enclosed by a conductive member (18). The transducer includes an ultrasound reflector (32) which redirects acoustic signals from a first direction into a second direction incident on the acoustical aperture of the ultrasound probe. The portion (18a) of conductive member that encloses the acoustic aperture is substantially planar, and is oriented substantially perpendicular to a magnetic field direction present during use of the ultrasound transducer (10). The conductive member may include a first conductive shield layer (18) and a second conductive shield layer (20) which surrounds the first conductive shield region (18) except in a portion of the first conductive shield region (18) that encloses the acoustic aperture of the ultrasound probe. The shielded ultrasound probe (10) is well suited for use with Hall Effect Imagining (HEI), and for implementation for modifying or adapting a conventional commercial ultrasound scanner or array probe.</p> |
