VHMED laparoscopic Hasson trocar is designed for the ideal companion for a wide range of laparoscopic instrumentations ranging from 5mm to 12mm in diameters, providing smooth and easy access in laparoscopy. The spring loaded anchor device allows a height adjustable, but tight and reliable fascial fixation throughout the procedure. The clinically validated double layer air seal system ensures the pneumoperitoneum which is necessary to maintain the working space for laparoscopy, even with a frequent instrument change in some procedures.