The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 04, 1984
Filed:
Mar. 04, 1983
Applicant:
Inventors:
Ludwig Bonnet, Knittlingen, DE;
Ehrenfried Bitrolf, Bretten-Ruit, DE;
Assignee:
Richard Wolf GmbH, Knittlingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; A61B / ;
U.S. Cl.
CPC ...
310323 ; 128328 ;
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.