We are offering av fistula needles used to connect blood lines to the blood vessel through needle when dialysis is carried out through an internal fistula. Siliconized ultra-thin walled & sharp beveled cannula to minimize trauma to the patient. Back eye for uninterrupted blood flow through the needle. Also available with rotating wings. Tube length: 30 cms. Sizes: 15, 16 & 17 g.