Ultrasonic probe having a piezoelectrical element

Details Ultrasonic probe having a piezoelectrical element Ultrasonic probe having a piezoelectrical element

1991-03-28

1992-12-29

Howell, Kyle L.

Surgery

Truss

Pad

12866009, 12866203, A61B 800

Patent

active

051742969

ABSTRACT:
An ultrasonic probe includes a housing, and a plurality of piezoelectric elements radially arranged in a plane substantially perpendicular to a direction in which the ultrasonic probe is inserted into a hollow portion to be scanned. The ultrasonic probe also includes an electrical part for carrying electricity to the piezoelectric elements to thereby cause the piezoelectric elements to emit ultrasonic waves and for carrying, to an external device, electric signals generated from the ultrasonic waves reflected by the hollow portion and received by the piezoelectric elements.

REFERENCES:
patent: 3955561 (1976-05-01), Eggleton
patent: 4524623 (1983-06-01), Terwilliger
patent: 4576177 (1986-03-01), Webster, Jr.
patent: 4858613 (1989-08-01), Fry et al.
patent: 4888861 (1989-12-01), Day
patent: 4993416 (1991-02-01), Ophir
patent: 5022399 (1991-06-01), Biegeleisen
IEEE 1989 Ultrasonics Symposium, Proceedings 3-6 Oct. 1989. Montreal, Quebec, vol. 2, Editor B. R. McAvoy, pp. 695-698, IEEE; A. Cochran et al.: "Beam Forming in Solids Using Monolithic Ultrasonic Arrays".
International Publication No. WO 83/00009, International Publication date: Jan. 6, 1983. International Patent Classification A61B 10/00.

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