< Topic >Disappear the mechanical stimulus the bladder endoscope and the urinary catheter etc for the urethra due to taking in and out. In addition, the bladder endoscope and the urinary catheter it does not accompany pain and make that it interposes in the urethra simultaneously possible. SolutionsThe urethra protective device, being interposition possible in the urethra, the endoscope for the bladder the interposition possible 1st hollow tube and the urinary catheter we have possessed the interposition possible 2nd hollow tube, furthermore it consists of the fact that the flange is provided in the position where it retires from the rim section of the urethra protective device and the Tip of urethra interposition side. < Choice figure >Drawing 2【課題】尿道に対する膀胱内視鏡や尿道カテーテルなどの出し入れによる機械的刺激を消失させること。また、膀胱内視鏡及や尿道カテーテルを痛みを伴わず同時に尿道に挿入することを可能にすること。【解決手段】尿道保護器具が、尿道に挿入可能であって、膀胱用内視鏡を挿入可能な第1の中空管と、尿道カテーテルを挿入可能な第2の中空管を有しており、さらに尿道保護器具の外周部かつ尿道挿入側の先端から離隔した位置にフランジが設けられていることからなる。【選択図】図2
