Medical and surgical apparatus and instruments, namely, minimally invasive medical devices in the nature of access and delivery guidewires, catheters, balloon catheters, introducers, sheaths and steerable devices [ ; ultrasonic, ultraviolet (UV), infrared and radiological apparatus and instruments for medical and biological use, namely, minimally invasive medical devices in the nature of access and delivery guidewires, catheters, balloon catheters, introducers, sheaths and steerable devices; ...