Limited diffraction broadband phased array transducer with frequ

Details Limited diffraction broadband phased array transducer with frequ Limited diffraction broadband phased array transducer with frequ

1998-06-08

1999-11-02

Getzow, Scott M.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

310335, A61B 800

Patent

active

059760915

ABSTRACT:
A transducer array and method for medical imaging which produces an ultrasound beam upon excitation, the transducer array including a plurality of transducer elements, each of said transducer elements having a first surface facing a region of examination when the transducer is in use and a second surface opposite of the first surface wherein the second surface faces away from the region of examination when the transducer is in use, said second surface is concave in an elevation direction, and a focusing lens disposed on the first surface of each element.

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Schrope et al., Stimulated Capillary Blood Flow Measurement Using a Nonlinear Contrast Agent, (1992) pp. 134-158.

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