Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1983-03-04
1984-12-04
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
128328, H01L 4108, A61B 1700
Patent
active
044866801
ABSTRACT:
This invention relates to piezoelectric transducers for generating ultrasonic oscillations having an end fitting joined to a distal metal element of a transducer which is connected to a wire emerging in the form of a loop structure. The invention consists in that the loop structure receiving the stone which is to be broken up comprises several wire strands forming a basket, which are coupled together at the extremities of the basket by means of tubular coupling elements and extent to the end fitting in twisted form.
REFERENCES:
patent: 4046150 (1977-09-01), Schwartz et al.
patent: 4347846 (1982-09-01), Dormia
Bitrolf Ehrenfried
Bonnet Ludwig
Budd Mark O.
Richard Wolf GmbH
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