A
HUMAN NECESSITIES
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A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
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A61M
DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
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A61M2206/00
Characteristics of a physical parameter; associated device therefor
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A61M2206/10
Flow characteristics
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A61M2206/16
Rotating swirling helical flow, e.g. by tangential inflows
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