5 Drug delivery devices for medical purposes, namely, inhalers sold filled with inhalable pharmaceutical preparations for the treatment of infectious, viral, bacterial, metabolic, endocrine, exocrine, muscular, skeletal, cardiovascular, respiratory, reproductive, digestive, excretory, renal, oncological, hepatological, ophthalmic, respiratory, neurological, gastrointestinal, lymphatic, integumentary, nervous, hormonal, dermatological, psychiatric and immunological related diseases and disorders; nasal inhalers for medical purposes, sold filled with inhalable pharmaceutical preparations for treating infectious, viral, bacterial, metabolic, endocrine, exocrine, muscular, skeletal, cardiovascular, respiratory, reproductive, digestive, excretory, renal, oncological, hepatological, ophthalmic, respiratory, neurological, gastrointestinal, lymphatic, integumentary, nervous, hormonal, dermatological, psychiatric and immunological related diseases and disorders