Patent classifications
A
HUMAN NECESSITIES
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A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
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A61H
PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
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2201/00
Characteristics of apparatus not provided for in the preceding codes
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A61H2201/16
Physical interface with patient
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A61H2201/1683
Surface of interface
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A61H2201/169
Physical characteristics of the surface, e.g. material, relief, texture or indicia
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A61H2201/1695
Enhanced pressure effect, e.g. substantially sharp projections, needles or pyramids
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