CPC A61B 17/072 (2013.01) [A61B 17/07207 (2013.01); A61B 17/00234 (2013.01); A61B 17/068 (2013.01); A61B 17/115 (2013.01); A61B 2017/07214 (2013.01); A61B 2017/07264 (2013.01); A61B 2017/07271 (2013.01); A61B 2017/07278 (2013.01); A61B 2017/07285 (2013.01); A61B 2017/2927 (2013.01); A61B 2017/2932 (2013.01)] | 19 Claims |
18. A method for operating a surgical instrument, comprising:
articulating an end effector of the surgical instrument about an articulation joint to position the end effector relative to patient tissue;
rotating a clamp drive screw to clamp the end effector onto the patient tissue between an anvil and a staple cartridge of the end effector, wherein the staple cartridge comprises a rigid cartridge body;
gripping the patient tissue with rounded projections extending from the rigid staple cartridge body when the end effector is in a clamped configuration; and
rotating a firing drive screw to fire staples from the staple cartridge, wherein the rounded projections secure the patient tissue to prevent movement of the patient tissue when the staples are fired.
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