Ultrasonic sweep echography and display endoscopic probe

Details Ultrasonic sweep echography and display endoscopic probe Ultrasonic sweep echography and display endoscopic probe

1984-04-05

1986-08-12

Howell, Kyle L.

Surgery

Truss

Pad

128 6, A61B 1000

Patent

active

046050094

ABSTRACT:
The endoscopic probe, more especially for medical use, comprises a tubular member insertable in a cavity to be explored, having a flexible part ending in an endmost section able to be orientated by means of mechanical control means disposed inside the flexible section. The section carries optical illumination and image return means and an ultrasonic electro-acoustic translater. This translator comprises a fixed curved linear array of piezoelectric elements, the convexity of the curve being directed outwardly. The array is associated with an electronic circuit for energizing the elements according to a sectorial sweep sequence in an angular field overlapping with the field of view of the optical means.

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patent: 4433692 (1984-02-01), Baba
patent: 4462092 (1984-07-01), Kawabuchi et al.
patent: 4462408 (1984-07-01), Silverstein et al.
patent: 4494549 (1985-01-01), Nambo et al.

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