Prospective randomized study comparing the physiologic effects of valveless insufflation system and conventional laparoscopic insufflator

Autores: Martin Hofmann, Philip Bucur, Garen Abedi, Ashleigh Menhadji, Vien Nguyen, Michael del Junco, Ramtin Khanipour, Joseph Rinehart, and Jaime Landman. - 2014

Use of the valveless trocar system reduces carbon dioxide absorption during laparoscopy when compared with standard trocars

Autores: Amin S. Herati, Sero Andonian, Soroush Rais-Bahrami, Arun K. Srinivasan, Lee Richstone, Louis R. Kavoussi. - 2010