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Facilitate stent removal: magnetic DJ stent

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Facilitate Stent Removal; Magnetic DJ stent


Hakan Öztürk, Department of Urology, School of  Medicine, Sifa University-Turkey

Double-J stenting is a common procedure in urology because of prophylactic and therapeutic indications. Ureteroscopy is one of the most common methods to treat urinary stones. In many cases, ureteral stent insertion follows ureteroscopy. DJ stent is removed this is the most important stage in patients. Cystscopy is the standard technique used to removal a ureteral stent. A flexible cystoscopy is a good alternative to rigid cystoscopy to reduce pain during procedure, but flexible cystoscopy is less available in the world. However, rigid cystoscopy is needed for use of foreign body forceps. On the other hand, because of the rigidity and larger diameter of cystoscopes, most patients need analgesia and some patients need deep sedation during the procedure. Furthermore, it is reported that removal of the stent with local anesthesia  is more traumatic than the actual operation. Therefore, it is obvious that there is need to simpler, more reliable and easy to apply, require low-cost cystoscopy for stent removal procedure.


Uretheral stent (aliphatic polyurethane with magnets(NdFeB 52) and Retrieval device (tiemann-type with 15 Fr diameter and magnet)


Removal of the magnetic DJ stent does not need a second procedure such as cystoscopy for the patients. The method of removing the ureteral stent from the ureter consists of introducing into the bladder a retrieving urinary catheter with a permanent magnet at its tip.


A. Two permanent magnets in the bladder connect   B. Removal of the catheter


Two permanent magnets in the bladder connect, and removal of the catheter follows by extraction. Due to the high magnetization value of magnetic tips, both two magnetic parts can't be broken up from each other during removal. Ureteral stent removal using a magnetic DJ stent  with small tiemann-type magnetic capture devices is considered feasible. This technique is easy to learn and should be considered as suitable for use on an outpatient basis. Anyway this easy procedure can be applied by a medical student or nurse.

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