Single-trigger clamping and firing of surgical stapler
First Claim
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1. A surgical apparatus, comprising:
- an end effector including a staple holder, an anvil movable relative to said staple holder, and a plurality of staples held within said staple holder;
a shaft extending from said end effector;
a handle attached to said shaft, said handle including a single trigger; and
a clamp structure coupled to said handle, said clamp structure having a hook that acts to prevent deployment of said staples before a clamping of said end effector by preventing an engagement of a rocker with a deployment gear;
wherein actuation of said single trigger in a clamping mode clamps said end effector;
and wherein actuation of said single trigger in a stapling mode deploys said staples.
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Abstract
An exemplary surgical apparatus may include an end effector including a staple holder, an anvil movable relative to the staple holder, and staples held within the staple holder; a shaft extending from the end effector; a handle attached to the shaft, the handle including a single trigger; wherein actuation of the single trigger in a clamping mode clamps the end effector; and wherein actuation of the single trigger in a stapling mode deploys the staples.
114 Citations
13 Claims
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1. A surgical apparatus, comprising:
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an end effector including a staple holder, an anvil movable relative to said staple holder, and a plurality of staples held within said staple holder; a shaft extending from said end effector; a handle attached to said shaft, said handle including a single trigger; and a clamp structure coupled to said handle, said clamp structure having a hook that acts to prevent deployment of said staples before a clamping of said end effector by preventing an engagement of a rocker with a deployment gear; wherein actuation of said single trigger in a clamping mode clamps said end effector; and wherein actuation of said single trigger in a stapling mode deploys said staples. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A surgical method, comprising:
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possessing a surgical tool including an end effector including a staple holder, an anvil movable relative to said staple holder, and a plurality of staples held within said staple holder;
a shaft extending from said end effector; and
a handle attached to said shaft, said handle including a single trigger;actuating for a first time said trigger to clamp said end effector, wherein said surgical tool employs a hook to prevent deployment of said staples prior to clamping of said end effector by preventing an engagement of a rocker with a deployment gear; and actuating for a second time said trigger to deploy staples from said staple holder. - View Dependent Claims (12, 13)
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Specification