Storz DUOLITH SD1 - 2.1 Physical principles

2-2
17 362 02 0320
Principles
2.1 Physical principles
The DUOLITH
®
SD1 is a universal, modular shock wave generator that can be used
either for treatment involving medium- to high-energy electromagnetically generated
shock waves or low-energy pneumatically generated shock waves.
This multifunctionality is achieved by using different shock wave modules which
deliver two types of shock wave: focused shock waves – referred to below as F-SW –
and radial shock waves – referred to below as R-SW.
F-SW waves have a short pulse length and are concentrated on areas a few
millimetres in diameter, allowing shock waves to be applied to a tightly localised
area, even in deeper tissue layers. R-SW waves, by contrast, are, from a physical point
of view, classied as radial pressure waves. The applied pressure pulse propagates
radially within the tissue and has a therapeutic effect on areas of the tissue near the
surface, in particular.
The treatment region is diagnosed and/or localised using the optional ultrasound module.
The DUOLITH
®
SD1 in combination with VACU-ACTOR is a supplement to the treat-
ment with R-SW and V-ACTOR. Thereby tissue will be treated by means of a suction
cup in pulsating vibrations. Either it will be changed between vacuum (feel stretching
of the tissue) and pressure (expansion pressure) or between vacuum (feel stretching
of the tissue) and a short vent (athmospheric pressure). This function is realized by a
high-performance compressor.