There are important differences between “extracorporeal” and “radial pressure” forms of the treatment.
by Scott R. McClure, DVM, PhD, Diplomate ACVS, Diplomate ACVSMR
A shock wave is an acoustic (pressure) wave with very high amplitude and rapid rise time. There are multiple ways to generate a shock wave. The pressure wave can be instituted by vaporization of fluid across a spark gap (electrohydraulic), expansion of piezoelectric crystals (piezoelectric), or pushing a membrane with opposite electrical current (electromagnetic). In all three mechanisms, the pressure wave is brought to a focal point by lenses or a parabolic reflector. This mechanism allows the energy in the wave to aim at a specific point within the tissue.
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