The catheter is made of silicone material. It is soft and not easy to cause damage to blood vessels. It can be kept for more than 30 days.Through subcutaneous channel catheterization, the catheter is not easy to fall off. The tube body with polyester sleeve can block the skin’s upward infection, reduce the infection rate. It does not increase the extra burden of the heart; does not have cardiopulmonary recycling; does not need to ligate the radial artery, cephalic vein and other autogenous blood vessels; does not have the occurrence of "steal blood syndrome", and leave little trauma after the removal. For elderly patients, recent kidney transplant patients, and patients with advanced stage, long-term indweling hemodialysis catheter can be used to establish a semi-permanent dialysis access to reduce the trauma caused to patients by repeated puncture.
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