Ultrasound transducer with extended field of view

Details Ultrasound transducer with extended field of view Ultrasound transducer with extended field of view

1997-02-20

1998-12-01

Manuel, George

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600447, G03B 4206

Patent

active

058429913

ABSTRACT:
Presented invention employs an ultrasound transducer that irradiates and receives the echo signals from an investigated part of a human body into a solid angle which is two times larger than for a prior art cross transducer. Preferred embodiment of the transducer has two transmit arrays turned at an angle of .+-..psi./2 out of the plane of the receive array. Transmit arrays form flat acoustic beams to provide the left (17) and right (18) field of views. Transmit and receive arrays are placed normally to each other. The extension of the field of view along the lateral coordinate is provided by a successive energizing of transmit arrays which form flat acoustic beams irradiating different sectors of a human body.

REFERENCES:
patent: 4915115 (1990-04-01), Sasaki et al.
patent: 4949310 (1990-08-01), Smith et al.
patent: 5148810 (1992-09-01), Maslak et al.

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