US Patent 10166060 Surgical instruments comprising a trigger assembly

A surgical instrument is disclosed. The surgical instrument can include an end effector, a shaft, and a handle. The handle can include a trigger assembly. The trigger assembly can include a first trigger and a second trigger, which are movable as a nested unit during a first actuation of the trigger assembly to affect a first surgical function. The second trigger can be movable away from the first trigger after the first actuation of the trigger assembly and can be movable toward the first trigger during a second actuation of the trigger assembly to affect a second surgical function.