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Patent classifications
A
HUMAN NECESSITIES
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A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
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A61F
FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
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7/00
Heating or cooling appliances for medical or therapeutic treatment of the human body
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A61F7/02
Compresses or poultices for effecting heating or cooling
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A61F7/03
thermophore, i.e. self-heating,; e.g. using a chemical reaction
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A61F7/032
using oxygen from the air, e.g. pocket-stoves
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A61F7/034
Flameless
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A61F2007/036
Fuels
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A61F2007/038
Carbon or charcoal, e.g. active
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