Physical parameters of extracorporeal shock waves

Prerequisites for the successful investigation of the mechanism of action of ESWT (extracorporeal shockwave therapy) and the establishment of treatment standards, are the ability to measure, and a knowledge of, the physical parameters involved. The most accurate measurements are obtained with laser...

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Bibliographic Details
Published inBiomedizinische Technik Vol. 43; no. 10; pp. 269 - 274
Main Authors Maier, M, Ueberle, F, Rupprecht, G
Format Journal Article
LanguageGerman
Published Germany 01.10.1998
Subjects
Equipment Safety
Humans
Hydrophones
Laser applications
Lithotripsy - instrumentation
Quality Assurance, Health Care
Shock waves
Transducers, Pressure
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Summary:Prerequisites for the successful investigation of the mechanism of action of ESWT (extracorporeal shockwave therapy) and the establishment of treatment standards, are the ability to measure, and a knowledge of, the physical parameters involved. The most accurate measurements are obtained with laser hydrophones. Various parameters (amplitude, rise time, pulse width, pressure pulse decay, rarification phase) of a typical shock wave can thus be determined. These can then be used to calculate energy flux density, focal extent, focal volume and as well as focal energy, effective energy in a defined area, and effective biological energy. These parameters can be utilized to work out a theoretical treatment protocol.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0013-5585
DOI:10.1515/bmte.1998.43.10.269