A patient underwent urolift system treatment (b)(6) 2015.During delivery of one implant, needle retraction required use of the handle release tool per instructions for use.The tool was not used, and the physician instead manipulated delivery device with the needle extended and removed the device from the patient without retracting the needle.No needle was observed extending from the tip of the delivery device.The procedure was completed and patient was discharged.The surgeon subsequently observed a separate delivery device with the needle fully extended and realized that the needle of the previous device may have broken off during manipulation.He scheduled the patient for a follow-up cystoscopy (b)(6).On (b)(6), the patient went to the hospital for urinary retention and received a catheter.On (b)(6), the patient underwent a cystoscopic examination as scheduled and endoscopic graspers were used to remove a needle fragment from the prostate without difficulty.
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