»STONIZER®« tip helical Retrieval basket for ureterorenoscopic stone extraction Tip helical, 4-wire-basket for use for application in the ureter kink resistant comfortable one-handed-use high opening force of the basket in the ureter enormous pull and pressure stability of the basket because of its durable material guidance of the basket with high torque stability no sharp edges optimal closing function opening of the basket possible even with flexed shaft good fixation of the stone by inside roughened wire flexible Nitinol material removable and re-mountable handle by knurled screw single use insertion guide REF Sizes Length Diameter basket 79309016 Ch. 3,0 90 cm 16 mm 79409016 Ch. 4,0 90 cm 16 mm Packing: sterile Original carton: 1 piece