10 Medical delivery system, apparatus, and instruments, namely, inhalers, sold empty, for the localized orally inhaled and systemic delivery of pharmaceutical preparations; Medical delivery system, apparatus, and instruments for facilitating the delivery of biological formulations, monoclonal antibodies, organic small molecule formulations, inorganic molecules formulations, peptides, proteins, oligonucleotides, RNA, DNA, vaccines, radiopharmaceuticals and nutraceuticals and combinations thereof; Medical delivery system, apparatus, and instruments, namely, inhalers for medical use, sold empty; Medical delivery system and apparatus for facilitating the inhalation of pharmaceutical preparations; Inhalers for medical use, sold empty; drug delivery devices sold empty, namely, inhalers