LAKE OSWEGO, OR, June 12, 2018 -- Medica Holdings, Inc. is pleased to announce the issuance of US Patent No. 9,993,603, which relates to a device that enhances aerosol delivery by collecting and concentrating medication particulate produced by any small volume nebulizer (SVN). Designed to help increase the concentration of medication delivered per patient breath with less waste, The NEBChamber™ is a high-efficiency aerosol drug delivery system that reduces the MMAD and GSD of the connected nebulizer and increases the inhaled dose to the patient.