Patent ID: 9693815
Date: 2017-07-04
CPC Classifications: A61B,A61F

Claim:
1. A surgical instrument comprising: a pair of grasping parts having distal end portions and proximal end portions, having shapes extending along a longitudinal central axis connecting the distal end portions and the proximal end portions, and having a pair of grasping surfaces disposed to face each other such that the pair of grasping surfaces are capable of grasping living body tissue; a first joining part disposed at the vicinity of the distal end portion of the grasping part and configured to irreversibly join the living body tissue grasped by the pair of grasping parts; a first dissecting part configured to cut the living body tissue joined by the first joining part in the longitudinal central axis direction in a region in which the living body tissue is joined by the first joining part; a second joining part disposed away from the first joining part, disposed at the vicinity of the proximal end portion of the grasping part, and configured to irreversibly join the living body tissue grasped by the pair of grasping parts; a second dissecting part configured to cut the living body tissue joined by the second joining part in the longitudinal central axis direction in a region in which the living body tissue is joined by the second joining part; and a tissue preservation part disposed between the first joining part and the second joining part, having a recessed portion formed to be recessed with respect to the pair of grasping surface and disposed at the pair of grasping surfaces such that the tissue preservation part is configured to preserve a non-joining region between the first joining part and the second joining part when the first joining part and the second joining part join the living body tissue.