Ureteral Stents Are Thin Hollow Tubes That Are Introduced In The Ureter For Treating Blockage Of The Urine Flow

 

Ureteral Stents

Urine is carried through narrow tubes called ureters from the kidneys to the bladder. These may become obstructed by conditions such as kidney stones, blood clots, or tumors. Physicians can use image guidance to insert stents or tubes in the ureters to restore their normal function. Depending on their intended purpose, these stents are referred to as either temporary or permanent and can be classified by CPT (Current Procedural Terminology) codes for billing purposes.

Ureteral Stents are thin, pliable tubes placed to allow urine flow through the blocked ureter. They are usually placed on an outpatient basis, although some patients require hospital admission. To place a ureteral stent, a doctor will first insert a cystoscope through the urethra. The doctor will then use the cystoscope to find the opening where one of the ureters connects to the bladder. Once found, the doctor will thread a ureteral stent through the cystoscope and into the ureter. The stent is then expanded in the ureter, allowing urine to pass more easily from the kidney to the bladder.

A Ureteral Stents is designed to remain in the ureter for a short period of time, typically between four and seven days. To remove the stent, a doctor will place a numbing gel on the urethra and then pull on the string that is attached to the stent. Most patients stay awake for the stent removal procedure, which is performed in an office setting under local anesthesia.

Some patients with indwelling ureteral stents experience a condition known as storage symptoms, or pain when the stent is filled with urine. These symptoms decrease a patient’s quality of life. To improve a patient’s quality of life and reduce the risk of storage symptoms, physicians can individualize their ureteral stent placements to optimize stent design for each patient.

A novel urinary stent gained 510k clearance from the US FDA in May 2022. Ureteral Stents stent was developed by researchers at the Advanced Surgical Therapies at University Hospitals (UH) in Cleveland.

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