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