Medical diagnostic apparatus, namely, computer-aided intravascular imaging apparatus for diagnostic purposes comprised of catheters and parts thereof; diagnostic imaging and analysis apparatus for medical purposes; medical instruments and apparatus, namely, catheters, catheters and parts and fittings therefor, medical guidewires, grafts, stents, hemostatic devices and bands, vascular closure devices, sterile covers for medical apparatus, protection films for medical apparatus; controllers as part of medical apparatus for medical diagnostic purposes, namely, controllers as part of intravascular imaging apparatus; controllers as parts of medical apparatus for wall mounting for medical diagnostic purposes, namely, controllers as parts of intravascular imaging apparatus; medical apparatus incorporating remote controllers for medical diagnostic purposes, namely, remote controllers as parts of intravascular imaging apparatus; medical apparatus containing interface unit for medical diagnostic purposes, namely, medical imaging apparatus incorporating medical imaging software