A Novel Endoscope to Treat Bladder Stone

Abstract Purpose: To recommend a novel endoscope, Aihua (AH)-1 stone removal system (SRS), and introduce the structure and function to treat bladder stones. Materials: SRS is composed by illuminant and imaging component, continuous-flow component, a jaw to grab and extract stone, lithotripsy tube, handle, and sheath. The entire device is usually attached to a video camera to provide vision for the surgeon. During surgical procedure, first 26F SRS was inserted into bladder to search stone. Then, stone was grabbed and fixed using jaw, and lithotripsy was performed with holmium laser or pneumatic lithotripter through lithotripsy tube. Fragments could be extracted using jaw through sheath synchronously. If there were more residual small fragments, Ellik evacuator could be connected with sheath to wash out them. Finally, resectoscope was inserted in urethra to perform transurethral resection of the prostate (TURP). Between January 2008 and July 2010, 37 cases of bladder stone with benign prostatic hyperplasia ...