wound management devices for human and veterinary use, namely dressings for topical application to patients; drug delivery devices for human and veterinary use, namely patches and liquids for topical application to patients and adapted to receive medicament and to deliver medicament to patients topically or transdermally; devices to compromise the outer layer of patients' skin for improved transdermal drug delivery to the patients, namely skin abrasion devices or skin chemical treatment devices which enhance the penetrability of the skin towards topically applied medicaments; medically acceptable adhesives for attachment of objects such as wound coverings and body electrodes to human skin; drug delivery devices in the form of polymeric materials which release therapeutic agents on exposure to electromagnetic energy such as UV and IR light, visible light, X-rays, electron beams, radioactivity irradiation and laser light; drug services, namely the administration to patients of therapeutic devices in the form of polymeric materials which release therapeutic agents by irradiation procedures and the subsequent monitoring of patients in respect of the performance of the therapeutic agents so administered and released