A
HUMAN NECESSITIES
A
HUMAN NECESSITIES
A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
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
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
A61M2205/00
General characteristics of the apparatus
A61M2205/00
General characteristics of the apparatus
A61M2205/75
with filters
A61M2205/75
with filters
A61M2205/7536
allowing gas passage, but preventing liquid passage, e.g. liquophobic, hydrophobic, water-repellent membranes
A61M2205/7536
allowing gas passage, but preventing liquid passage, e.g. liquophobic, hydrophobic, water-repellent membranes