Nephrostomy catheters
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Nephrostomy catheters are flexible tubes that are placed in the kidney to drain urine, which is trapped due to a blockage in the ureters. These catheters are used in the nephrostomy surgery. It’s an artificial opening between the kidney and the skin, allowing the urinary diversion from the upper part of the renal pelvis. Nephrostomy catheters are used to drain any cystic collection inside the body surgically, radiographically or using ultrasound.
A nephrostomy is needed when a blockage keeps urine from passing from the kidneys into the urinary bladder. If the urine will stay in kidneys without draining, the kidneys would be damaged. The most common cause of urine blockage is cancer.
During procedure, the nephrostomy catheter pierces the skin and rests in the urinary tract. It is performed using ultrasound, fluoroscopy or image intensifier. In the area, where the needle will pass through to make the puncture on the kidney, local anesthetic infiltration is used. External bag is used in order to collect urine and empty it when necessary.
Nephrostomy catheters have soft and atraumatic tip and very supportive shaft, that allows physicians to perform renal procedures with a single guidewire and provides comfort to the patient. Different lengths of catheters provide possibility to choose needed configuration for any procedure and situation.
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