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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A61M25/01
Introducing, guiding, advancing, emplacing or holding catheters
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A61M25/06
Body-piercing guide needles or the like
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A61M25/0612
Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
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A61M25/0631
having means for fully covering the needle after its withdrawal, e.g. needle being withdrawn inside the handle or a cover being advanced over the needle
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