stents; drainage tubes for medical purposes; stent delivery system; biocompatible coated stents; medical stents; medical drainage bags for collection of biliary; spectrum analyzers for use in medical diagnosis; specimen samplers for medical use; cardiac vascular prosthesis for surgical protheses; medical apparatus for introducing pharmaceutical preparations into the human body; transplant protheses for use in surgery; injection sleeves for medical use; medical thread inserter; vascular access ports for medical use; endoprostheses; expandable braids for insertion in tubular organs of the body for the treatment of stenosis; expandable braids for insertion in blood vessels for treating stenosis; medical drainage bags for collection of nephrostomy