| 摘要 |
A surgical instrument (200) comprises a frame (210) and a jaw assembly (220) in the distal region of the instrument (200). The jaw assembly (220) has a generally straight first tissue inter- face (230) , a generally straight second tissue interface (232) and a tissue effector (e.g., one or more generally straight rows of staples and/or a knife). The jaw assembly (220) is adapted to grip tissue of a patient between the first tissue interface (230) and the second tissue interface (232) and to penetrate the gripped tissue by the tissue effector. The first tissue inter- face (230) can be moved relative to the second tissue interface (232) by means of a moving device. An actuating device is adap- ted to actuate the tissue effector. Both the first tissue inter- face (230) and the second tissue interface (232) have a general- ly wavy shape, the crests and valleys of the first tissue inter- face (230) generally matching the valleys and crests, respecti- vely, of the second tissue interface (232).
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