Patent ID: 8142421

Claim:
A method of performing minimally invasive endoscopic surgery in a body cavity of a patient, the method comprising: inserting an end effector of a tool into a surgical site, the tool comprising an elongate shaft having a working end coupled with the end effector, a proximal end, and a shaft axis between the working end and the proximal end, the end effector including a grip support having a left pivot pin and a right pivot pin, the end effector further comprising a left jaw and a right jaw; sliding a left slider pin relative to the left pivot pin in a left slider pin slot of a slotted member, the left slider pin attached to the left jaw and spaced from the left pivot pin, the sliding the left slider pin causing the left jaw to move between an open position and a closed position by rotationally pivoting the left jaw about the left pivot pin; and sliding the right slider pin relative to the right pivot pin in a right slider pin slot of the slotted member, the right slider pin attached to the right jaw and spaced from the right pivot pin, the sliding the right slider pin causing the right jaw to move between an open position and a closed position by rotationally pivoting the right jaw about the right pivot pin.