| CPC A61B 34/71 (2016.02) | 12 Claims |
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1. A surgical tool, comprising:
a shaft;
a hollow cylinder connected to an end of the shaft, wherein
the hollow cylinder is rotatable about a first axis, and
the first axis is parallel to a pitch axis with respect to the shaft;
a through hole in the hollow cylinder;
a rod inserted into the through hole, wherein
the rod is supported by the hollow cylinder, and
the rod is rotatable about a second axis with respect to the hollow cylinder;
an open-close shaft at a lower end of the rod;
a pair of first jaws supported by each of the rod and the hollow cylinder, wherein the pair of first jaws is linearly movable in a second axis direction with respect to the hollow cylinder;
a pair of second jaws attached to the lower end of the rod in the second axis direction, wherein
the pair of second jaws is configured to open and close in the second axis direction,
the open and close of the pair of second jaws is in conjunction with a linear motion of the pair of first jaws,
the pair of second jaws is supported by the open-close shaft, and
the pair of second jaws includes a cam, wherein the cam is configured to convert a linear motion of the rod in the second axis direction into a motion in an opening and a closing direction of the pair of second jaws;
a set of first forward and backward cables configured to pull the pair of first jaws in the second axis direction; and
a set of second forward and backward cables configured to pull the rod about the second axis.
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