APPARATUS FOR IMPROVED SHOCK-WAVE LITHOTRIPSY (SWL) USING A PIEZOELECTRIC ANNULAR ARRAY (PEAA) SHOCK-WAVE GENERATOR IN COMBINATION WITH A PRIMARY SHOCK WAVE

摘要

Six focused sets of piezoelectric elements (212) are positioned around the reflector R and the axis of the primary shock wave source (210) to form a combined shock wave generator (200).