Patent classifications
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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16/00
Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
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A61M16/0475
having openings in the tube
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A61M16/0477
with incorporated means for delivering or removing fluids
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A61M16/0479
above the cuff, e.g. giving access to the upper trachea
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