FIELD: medicine; hydrowave physiotherapy of gingivae. SUBSTANCE: device has body 1 with tangentially directed inlet channel 2 and vortex chamber 3. Hydroacoustic head 4 is attached to body 1. Hydroacoustic head 4 is attached to body 1. End face of head 4 has radial tangential grooves 5. Body 1 has central hole 7 and tube 8 for air supply to vortex chamber 3. EFFECT: higher efficiency. 3 dwg
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SU1839613A3 |
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RU2186929C2 |
Authors
Dates
1994-03-15—Published
1990-06-15—Filed