Patent · US Expired

Apparatus for coupling shock waves into the body for contactless comminution of concrements

US5158072A · kind A · utility

2Cited by

8References

2Claims

0Family size

Inventors

Othmar Wess · Munich, DE
Reiner Groezinger · Gilching, DE
Kai Isdebski · Bad Saulgau, DE
Manfred Windsheimer · Germering, DE

Key dates

Filing date	Nov 7, 1989
Grant date	Oct 27, 1992
Priority date	—
Expiry date	Nov 7, 2009

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B17/2251
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A liquid filled shock wave generator is coupled to the body of the patient by utilizing of an integral water filled cushion having a membrane which engages skin of the patient for purposes of contactless lithotripsy whereby a second separate cushion is provided not being in contact with the patient being also of flexible construction and mounted on a spring biased table while being loaded with an additional weight and being in fluid conductive relation to the immediate and direct coupling cushion.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.