Ultrasonic treatment apparatus

摘要

An ultrasonic treatment apparatus of the invention is provided with an improved cleaning ability and easy recyclability. A grasping member ( 1720 ) includes a first element ( 1721 ) molded of a heat resistant resin, and a second element ( 1722 ) located inside the first element ( 1721 ) as a reinforcement in such a manner that the first element ( 1721 ) covers the outer surface of the second element ( 1722 ) entirely.