US 4,227,532 A · Device for crushing calculi in the urinary bladder

Abstract

A device for crushing calculi in the urinary bladder, comprising a bundle of elongate, flexible lithotriptors which are accommodated in a ureter catheter and on whereto reciprocating movements can be imparted by a drive system.

Claims1

Dependent claims

A device for crushing calculi in the urinary bladder, comprising a bundle of independently reciprocatable, elongate, flexible lithotriptors disposed in a ureter catheter in a configuration comprising a ring of lithotriptors arranged around a central lithotriptor.

Dependencies are inferred from the claim text.

Facts

Application

05/893,069Filed 3 Apr 1978

Priority

DE 272432428 May 1977

Granted

14 Oct 1980

Term ends

Not estimatedThe source records don’t support an estimate.

Classification4 codes

A61B 17/22012
Using mechanical vibrations, e.g. ultrasonic shock waves: in direct contact with, or very close to, the obstruction or concrement
A61B 90/36
Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00,…
A61B 2017/22014
In direct contact with, or very close to, the obstruction or concrement: the ultrasound transducer being outside patient's body; with an…
A61B
Medical diagnosis and surgery

Device for crushing calculi in the urinary bladder

Life of this patent

Abstract

Claims1

Device for crushing calculi in the urinary bladder

Life of this patent

Abstract

Claims1