Cannulae; Catheters; Catheters and parts and fittings therefor; Electromedical rehabilitative and pain management products for clinical and home use, namely, electrical nerve and muscle stimulators, ultrasonic stimulators, magnet therapy stimulators and laser therapy stimulators; Medical apparatus, namely, implantable ports; Medical electrodes; Medical instruments for use in pain management; Medical needles and introducers; Ultrasound probe for medical use