Profile: Kosin Technologies, Llc focuses on the manufacture of the piggyback irrigating system. It is designed with mounted modular endoscope valve assembly and is used to control the irrigation through an endoscope during urological or encloscopic procedures. Our valves of the irrigating system allow to control the irrigation between the finger and the thumb of the hand holding the endoscope, leaving other hand completely free for stone extraction, lithotripsy & biopsy. It is provided in irrigation of ureter and renal pelvis during therapeutic & diagnostic ureteroscopy or endoscopic procedures.