A suprapublic instrument for drainage of the bladder inserted through the urethra, characterized in that it includes at least one curved needle having a sharp tip at its end and fitted with means for connecting it to a catheter, a catheter designed to act as a drain, and a sound or sleeve designed to...http://www.google.de/patents/US4684369?utm_source=gb-gplus-sharePatent US4684369 - Instrument for suprapubic drainage of the bladder, inserted through the urethra
