Medical apparatus and instruments for monitoring vital signs, blood pressure, heart rate; Ultrasonic imaging apparatus for medical purposes; Ultrasonic medical diagnostic apparatus; Ophthalmic cameras for medical purposes; Medical imaging devices for brain; Body composition analyzers for medical purposes; Diagnostic apparatus for medical purposes used in medical laboratories for testing blood sugar levels, cancer cells, DNA; Medical apparatus and instrument for diagnostic use, namely, apparatus for medical diagnostic testing in the fields of cancer or other tissue-based diagnostic testing, cytology and cell-based testing; Manometers for medical purposes being arterial blood pressure measuring apparatus