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23 January 2021

Muharrem Baturu

Urology Specialist

Kidney Stone Treatment With Flexible Urs and Laser

Kidney Stone Treatment With Flexible Urs and Laser

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  • What is Flexible URS?
  • Flexible URS is a treatment method in which stones in the kidney and urinary tract are broken with a flexible optical instrument that can be bent at the tip. The procedure performed in the kidney pool is called RIRC (Retrograde intrarenal surgery). Owing to the high technology and resolution flexible URS and holmium laser device, stones in the kidney and urinary canal are safely and successfully treated in our hospital.


  • What are its advantages?
  • The greatest advantage of this method is that kidney stones up to 3 cm in size can be broken without any incision. Thus, the patient's admission period in the hospital is shortened, and he can return to his daily life the next day after discharged. In addition, due to its thin diameter and flexible structure, this treatment method has a success rate of over 95% in difficult urinary tract stones, urinary tract stones close to the kidney and kidney stones.
  • Before the flexible URS method, the sound wave method called ESWL was used to break kidney stones up to 2 cm. However, the ESWL process; It was a method with disadvantages such as being long (1-4 sessions), painful, inability to break hard stones, insufficient breaking of stones in the lower part of the kidney, accumulation of broken stones in the urinary canal and therefore requiring urgent surgery. With the introduction of flexible URS in Urology, a much more comfortable treatment with high success rate was provided for the patient. 


  • How is the process carried out?
  • Before the procedure, the patient's urine culture is made. In order for the surgery to be planned, no growth should be observed in the patient's urine culture. The procedure is performed under anesthesia. With flexible URS, the kidney is reached from the bladder through the external urinary canal and the stone here is broken with a laser. A 0.3 mm laser fiber is sent to the kidney through the micro working channel in the device, and the stones placed in the urinary system are broken into sand and get removed.
  • What awaits me after the procedure?
  • Short-term bleeding can be seen in the urine after the operation. Although rarely, there is a possibility of infection in the urinary tract and damage to the urinary tract, since the procedure allows the urinary tract to be seen with the help of optical instruments, necessary precautions can be taken immediately. After the procedure, a J-shaped thin silicone tube (JJ stent) is attached to the urinary canal between the kidney and the bladder in order to facilitate the excretion of sand crystals and facilitate the evacuation of the kidney. JJ stent is usually in the body for 14-30 days and is easily removed with a simple and short-term procedure.
  • After the procedure, as all stone patients should do, it is necessary to take fluids orally with a urine output of two liters per day. In addition, antibiotics are used for a week and pain relief treatment is applied in case of pain.


  • How long does the process take?
  • Operation time may also vary depending on the size of the stone. The process is usually completed between 45-90 minutes.



Op. Dr. Muharrem BATURU