Surgical instruments comprising a trigger assembly
First Claim
Patent Images
1. A surgical instrument, comprising:
- an end effector, comprising;
a jaw movable between an open position and a closed position; and
a cutting element movable relative to the jaw;
a shaft; and
a handle, wherein the shaft is positioned intermediate the handle and the end effector, and wherein the handle comprises a trigger assembly, comprising;
a first trigger comprising a first pivot portion and a first arm extending from the first pivot portion, wherein the first trigger is movable from an initial position to a final position; and
a second trigger comprising a second pivot portion and a second arm extending from the second pivot portion, wherein the first trigger and the second trigger form a nested unit when the first trigger is in the initial position and are movable as the nested unit during a first actuation of the trigger assembly in which the first trigger moves from the initial position to the final position to affect a first surgical function, wherein a nestable portion of the first arm is nested within the second arm when the first trigger and the second trigger form the nested unit, wherein the second trigger is movable away from the first trigger to unnest the nestable portion of the first arm from the second arm after the first actuation of the trigger assembly and before a second actuation of the trigger assembly, wherein the second trigger is movable toward the first trigger during the second actuation of the trigger assembly to affect a second surgical function, and wherein the second surgical function is different than the first surgical function.
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Abstract
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.
992 Citations
18 Claims
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1. A surgical instrument, comprising:
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an end effector, comprising; a jaw movable between an open position and a closed position; and a cutting element movable relative to the jaw; a shaft; and a handle, wherein the shaft is positioned intermediate the handle and the end effector, and wherein the handle comprises a trigger assembly, comprising; a first trigger comprising a first pivot portion and a first arm extending from the first pivot portion, wherein the first trigger is movable from an initial position to a final position; and a second trigger comprising a second pivot portion and a second arm extending from the second pivot portion, wherein the first trigger and the second trigger form a nested unit when the first trigger is in the initial position and are movable as the nested unit during a first actuation of the trigger assembly in which the first trigger moves from the initial position to the final position to affect a first surgical function, wherein a nestable portion of the first arm is nested within the second arm when the first trigger and the second trigger form the nested unit, wherein the second trigger is movable away from the first trigger to unnest the nestable portion of the first arm from the second arm after the first actuation of the trigger assembly and before a second actuation of the trigger assembly, wherein the second trigger is movable toward the first trigger during the second actuation of the trigger assembly to affect a second surgical function, and wherein the second surgical function is different than the first surgical function. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A surgical instrument, comprising:
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an end effector; a shaft; and a handle, wherein the shaft is positioned intermediate the handle and the end effector, wherein the handle comprises a trigger assembly, wherein a first actuation of the trigger assembly is configured to affect a first surgical function, wherein a second actuation of the trigger assembly is configured to affect a second surgical function, wherein the second surgical function is different than the first surgical function, and wherein the trigger assembly comprises; a first trigger movable in a first direction during a first actuation of the trigger assembly, wherein the first trigger comprises a first pivot portion and a first arm extending from the first pivot portion, and wherein the first trigger is movable from an initial position to a final position during the first actuation; and a second trigger movable with the first trigger during the first actuation of the trigger assembly, wherein the second trigger comprises a second pivot portion and a second arm extending from the second pivot portion, wherein the second trigger is movable in a second direction after the first actuation of the trigger assembly and before the second actuation of the trigger assembly, wherein the second direction is opposite to the first direction, wherein a nestable portion of the first arm and the second arm are nested when the first trigger is in the initial position and during the first actuation of the trigger assembly, and wherein the nestable portion of the first arm and the second arm are unnested during the second actuation of the trigger assembly. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A surgical instrument, comprising:
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an end effector; a shaft; and a handle, wherein the shaft is positioned intermediate the handle and the end effector, and wherein the handle comprises a trigger assembly, comprising; a first trigger comprising a first pivot portion and a first arm extending from the first pivot portion, wherein the first trigger is movable from an initial position to a final position; and a second trigger comprising a second pivot portion and a second arm extending from the second pivot portion, wherein a nestable portion of the first arm fits at least partially within the second arm when the first trigger is in the initial position and during a first actuation of the trigger assembly in which the first trigger moves from the initial position to the final position to affect a first surgical function, wherein the second arm is movable away from the first arm to remove the nestable portion of the first arm from within the second arm after the first actuation of the trigger assembly and before a second actuation of the trigger assembly, wherein the second arm is movable toward the first arm during a second actuation of the trigger assembly to affect a second surgical function, and wherein the second surgical function is different than the first surgical function. - View Dependent Claims (18)
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Specification