10 Medical apparatus and instruments for treating cancer, celiac disease, tuberculosis, asthma, inflammatory bowel disease, and fatty liver disease; medical diagnostic apparatus for detecting cancer cells; chemical detection systems and apparatus for medical purposes, namely, analyzers and sampling equipment in the nature of sample collection devices used to collect and analyse liquid, solid and gas samples; medical imaging apparatus; medical and clinical devices in the nature of breath samplers, gas collection tubes used for the collection, recording, concentration and analysis of volatile organic compounds in human breath; medical testing kits for home use in the nature of a medical device for detection of cancer, celiac disease, tuberculosis, asthma, inflammatory bowel disease, and fatty liver disease; medical apparatus for the treatment of respiratory conditions; medical diagnostic apparatus for testing, namely, breath detectors for use to detect disease biomarkers; respiratory sensors for medical purposes; spectrometers for medical purposes; structural and replacement parts and fittings for all the aforesaid