Pneumoperitoneum needles for providing and/or insufflating a corporal and/or abdominal cavity are provided. The pneumoperitoneum needle can include a housing, an elongate tubular body extending from a distal surface of the housing, and an elongate hollow tubular rod slidably received within the tubular...http://www.google.com/patents/US7887514?utm_source=gb-gplus-sharePatent US7887514 - Pneumoperitoneum needle
