A system is attachable to a surface of a tissue of a patient for applying pressure pulses to the tissue. The system includes a shockwave transducer that has a shockwave generating portion and a solid transducer interface arranged to directly contact a tissue of a patient. The shockwave generating portion includes an electrical-to-shockwave energy converter operable to generate shockwaves. The transducer interface includes an electrically safe and bio-compatible material arranged to transmit the shockwaves from the shockwave generating portion to the tissue.