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Fistula catheter

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  • Fistula catheter is a fluoroplastic catheter which can prevent the graft of internal wall from damaging in case the patient moves or flexes their arm.
  • It is a highly biocompatible tri-beveled internal metal needle which is used for puncturing, and it is covered by a sealless blunt tipped catheter with a central opening that is called lumen of the catheter and side slots in the catheter tip.
  • The caliber of the internal needle is 16G and the internal gauge of the catheter is 14G. It is equipped with a non return valve, to prevent blood from dripping and a cover to avoid accidental puncturing.
  • To follow the puncture technique, grab the fistula catheter between the connector and the non return valve to avoid the metal needle to retrocede while puncturing the vessel.
  • Once the vein has been punctured, advance the catheter through the VA lumen while removing the metal needle. Worldwide, the AV fistula is the preferred type of access to your bloodstream for haemodialysis
    treatments.
  • An AV Fistula is made by a surgeon by connecting together an artery and a vein in your arm. Because of the higher than normal blood flow through the AV fistula, the vein will become stronger and thicker, which will allow the AV fistula to have haemodialysis needles inserted for treatments.
  • The needle is only in the patientís arm for a few seconds per week, down from 12 hours a week normally.
  • The soft structure left behind when the needle is taken out does no damage to the blood vessels and is able to cope with the large flows of blood involved in dialysis.
  • The Fistula Catheter has proved popular among nurses and because it works in a similar way to the systems they currently use, they will not require extensive retraining to use it.
  • The world market for the Fistula Catheter could reach 384 million products annually.
  • If the fistula is created with both adequate inflow artery and outflow vein, then the increased flow in the vein should be immediately apparent postoperatively, evidenced by larger appearance as well as actual flow measurements.
  • A fistula that only works with a tourniquet in place is still underdeveloped, usually because of inflow stenosis, and needs more time or re-evaluation by the VAT before use.

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