veterinary instruments, namely, surgical instrument sets primarily comprising graspers, forceps, sounds and biopsy cups; assisted reproducing sets primarily comprising embryo or gamete transfer catheters and needles; ovum pick up single and double lumen needles; embryo harvester catheters; gamete catheters; stone extractors; stone dislodgers; loop retrievers for use with an endoscope in urology and gastroenterology; grasping forceps and retriever sets; biopsy brushes; suprapubic drainage catheters and needles; medical stents; tissue dilators and urological balloon dilators; balloon inflators for use in radiology and cardiology; nephrostomy kits primarily comprising needles, urethral catheters, cannulas, wire guides and dilator followers and filiforms; catheter introducers; stop cocks and fittings for use in radiology; pressure gauges for use in radiology; sheaths for use in surgery, radiology, cardiology, urology and gastroenterology; catheter retention discs for use in surgery, radiology, cardiology, urology and gastroenterology; syringes; pneumothorax drainage catheters; connecting tubes for use in surgery, radiology, cardiology, urology and gastroenterology; biliary drainage catheters; gastroenterology devices, namely, catheters and wire guides; occluding spring emboli; lymphangiographic injectors; endotracheal tubes; veterinary emergency and trauma sets composed of intraosseous infusion needles, drainage tubes, a trocar catheter, an access catheter, connecting tube and a tracheostomy tube; tracheostomy sets composed of a tracheostomy tube and obturator; nasogastric feeding tubes; gastrostomy feeding tubes; animal stomach feeding tubes; bird crop needles; chest drainage tubes; multiple wound drainage tubes; Foley catheters; multilumen central venous catheters; and fluid delivery infusion sets composed of coiled connecting tubes