Ultrasonic pulse apparatus for destroying calculuses

Details Ultrasonic pulse apparatus for destroying calculuses Ultrasonic pulse apparatus for destroying calculuses

1984-11-26

1986-10-21

Peshock, Robert

Surgery

Truss

Pad

128304, A61B 1700

Patent

active

046179313

ABSTRACT:
A lithotrite comprising means for generating shock waves concentrated in a focal region and means for locating the position of said focal region, said generating means comprising an ultrasonic pulse generator comprising a main piezoelectric transducer whose active surface is a spherical cap, whereas said locating means comprise an echography device comprising an auxiliary pulse generator associated with an auxiliary transducer fixed to said spherical cap.

REFERENCES:
patent: 4046149 (1977-09-01), Komiya
patent: 4311147 (1982-01-01), Hausler
patent: 4474180 (1984-10-01), Angulo
patent: 4486680 (1984-12-01), Bonnet et al.

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