Aerostat Cholangiography Catheter The Aerostat Cholangiography Catheter has a rigid shaft with a self-anchoring mechanism and one-handed activation to provide ease of use and time savings when performing cholangiograms. Insufflation Needle The 13 gauge Insufflation Needle reduces OR time by establishing pneumoperitoneum at a greater rate than traditional insufflation needles. Scope Warmer The Scope Warmer laparoscopic system minimizes fogging by pre-warming the laparoscope to body temperature, eliminating the need for chemical gels or wipes, and reducing the need for repeated scope cleansing and de-fogging.