CPC A61B 17/295 (2013.01) [A61B 17/29 (2013.01); A61B 18/1445 (2013.01); A61B 17/068 (2013.01); A61B 17/34 (2013.01); A61B 18/085 (2013.01); A61B 2017/2901 (2013.01); A61B 2017/2926 (2013.01); A61B 2017/320044 (2013.01); A61B 2018/00595 (2013.01); A61B 2018/1455 (2013.01); A61B 2090/0817 (2016.02); A61B 2217/005 (2013.01); A61B 2217/007 (2013.01); A61B 2218/002 (2013.01); A61B 2218/007 (2013.01)] | 8 Claims |
1. A medical instrument comprising:
a member having a proximal end and a distal end;
an end effector having a first arm and a second arm, wherein the first arm and the second arm are coupled to the distal end of the member, and the first arm and the second arm are moveable relative to one another;
a first plurality of ridges and a second plurality of ridges, wherein the first plurality of ridges and the second plurality of ridges extend along the first arm
a first unridged portion on the first arm, facing the second arm, proximal to the first plurality of ridges of the first arm, and distal to the second plurality of ridges of the first arm, wherein the first unridged portion extends along an entire lateral width of the first arm, wherein a lateral direction is perpendicular to a longitudinal axis of the first arm, and wherein the longitudinal axis extends from a proximal end of the first arm to a distal end of the first arm;
a second unridged portion on the first arm, facing the second arm, proximal to the second plurality of ridges, wherein the second unridged portion extends along the entire lateral width of the first arm; and
a third plurality of ridges, wherein the third plurality of ridges extend along the first arm, wherein axes extending along apexes of the third plurality of ridges of the first arm intersect one another.
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