STOMATOLOGIC HYDRAULIC MASSEUR Russian patent published in 1994 - IPC

FIELD: medicine. SUBSTANCE: hydraulic masseur has a housing communicating through a branch pipe with a water supply line, sprayer, diffuser coupled to an air supply source and mounted within the housing in a spaced relationship, a ball interposed between the inner surface of housing and diffuser and capable of rotating within the housing, tangential slots formed on a rounded end-face of the diffuser, the diffuser inner surface being of parabolic shape. EFFECT: enhanced efficiency. 9 cl, 7 dwg