An ultrasonic treatment device comprises a handpiece having an ultrasonic transducer and a long axial probe whose base end is connected with the transducer. The device further comprises a tubular inner sheath covering the probe and an outer sheath covering the inner sheath with a predetermined annular...http://www.google.es/patents/US7507212?utm_source=gb-gplus-sharePatente US7507212 - Ultrasonic treatment device with mist suctioning structure
Ultrasonic treatment device with mist suctioning structure
