UROMED Nephrostomy Direct-Puncture-Set »PURgreen®«, one-step-technique When this set is used the pigtail catheter can be applied in one step together with the puncture. Therefore this is the fastest way to apply a nephrostomy. cannula, obturator and catheter can be arrested by Luer-Lock adapters catheter made of polyurethane Set contents: obturator with trocar cannula, needle length 39,5 cm pigtail catheter Ch. 8 with tap and straightener (REF 2662) adapter for urine bags, 15 cm (REF 2675) REF Sizes 2609-08 Ch. 08 Packing: double, sterile Original carton: 5 pieces