diagnostic and therapeutic devices for use in the fields of gastrointestinal endoscopy, bronchoscopy and surgery, namely nasal biliary and pancreatic drains; biopsy forceps and retrieval devices, hot biopsy forceps; ERCP catheters and ERCP catheter accessory equipment, contrast injectors, connecting tube assemblies; biliary and pancreatic stents; stent retrievers; wire guides; papillotomes and sphincterotomes; balloon stone extraction devices; a lithotripsy set; soft wire baskets, hard wire baskets; varices injectors, aspiration needles, lung biopsy needles, transhepatic cholangiography needles and needle sets; dilation catheters, manometry and motility catheters, colon decompression sets, polypectomy handles and snares, polyp retrievers and retrieval forceps; esophageal prostheses and prostheses introducers and repositioners, graduated PVC and balloon esophageal dilators; cytology balloon and brush sets; a balloon inflation device; gastrostomy sets; nasal jejunal feeding tubes; gastrointestinal suture anchor sets; connector accessories, side arm adapters, stopcocks and catheter electrical connection cords