| 摘要 |
The present disclosure relates to a surgical instrument that includes a slidable shaft having a proximal and a distal end and a housing coupled to the shaft. The instrument includes an actuation assembly having a first lever and a second lever, each of the first and second levers being pivotably connected to the shaft. The instrument further includes an end effector assembly coupled to the distal end of the shaft, the end effector assembly having a pair of opposing jaw members. The instrument may have a drive rod disposed within the shaft and connected to a housing connection, the drive rod being operable by the actuation assembly to actuate the opposing jaw members between open and closed positions. A latching mechanism is operatively associated with the actuation assembly and drive rod for maintaining the jaw members in the closed position, the latching mechanism including a biasing member housed between a spring collar and a spring mandrel.
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