Catheter based ultra-sound imaging probe; Catheter for veterinary purposes; Catheters; Catheters and parts and fittings therefor; Needles for medical purposes; Needles for medical use; Biopsy needles; Blood collection needles; Central venous catheters; Drug delivery catheters; Hydrophilic guide wire to track catheters; Intracardiac catheter; Intravenous catheters; Medical needles and introducers; Medical and surgical catheters; Medical and surgical laparoscopes and catheters; Medical devices for placing and securing catheters; Medical ultrasound apparatus to assist in the placement of central line catheters; Medicinal catheters; Tubing for use with catheters