Powered surgical stapler
First Claim
1. A surgical instrument, comprising:
- a handle comprising an electric motor, wherein said electric motor comprises a rotatable output;
a shaft extending from said handle, wherein said shaft defines a longitudinal axis;
a fastener cartridge comprising a plurality of fasteners removably stored therein;
an anvil configured to deform said fasteners;
a closure drive configured to move said anvil toward and away from said fastener cartridge, wherein said closure drive comprises a rotatable closure drive portion which is rotatable about said longitudinal axis;
a firing drive configured to deploy said fasteners from said fastener cartridge, wherein said firing drive comprises a rotatable firing drive portion which is rotatable about said longitudinal axis; and
a transmission, comprising;
a first operating configuration in which said transmission operably connects said rotatable output to said closure drive;
a second operating configuration in which said transmission operably connects said rotatable output to said firing drive; and
a switch configured to switch said transmission between said first operating configuration and said second operating configuration.
4 Assignments
0 Petitions
Accused Products
Abstract
A surgical instrument can comprise a handle, a motor, and a shaft extending from the handle. The handle and/or the shaft can define a longitudinal axis. The surgical instrument can further comprise a fastener cartridge comprising a plurality of fasteners removably stored therein, an anvil configured to deform the fasteners, a closure drive configured to move the anvil toward and away from the fastener cartridge which is rotatable about the longitudinal axis, and a firing drive configured to deploy the fasteners from the fastener cartridge which is rotatable about the longitudinal axis. The surgical instrument can further comprise a transmission comprising a first operating configuration which connects the motor to the closure drive and a second operating configuration which connects the motor to the firing drive.
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Citations
23 Claims
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1. A surgical instrument, comprising:
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a handle comprising an electric motor, wherein said electric motor comprises a rotatable output; a shaft extending from said handle, wherein said shaft defines a longitudinal axis; a fastener cartridge comprising a plurality of fasteners removably stored therein; an anvil configured to deform said fasteners; a closure drive configured to move said anvil toward and away from said fastener cartridge, wherein said closure drive comprises a rotatable closure drive portion which is rotatable about said longitudinal axis; a firing drive configured to deploy said fasteners from said fastener cartridge, wherein said firing drive comprises a rotatable firing drive portion which is rotatable about said longitudinal axis; and a transmission, comprising; a first operating configuration in which said transmission operably connects said rotatable output to said closure drive; a second operating configuration in which said transmission operably connects said rotatable output to said firing drive; and a switch configured to switch said transmission between said first operating configuration and said second operating configuration.
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2. A surgical instrument, comprising:
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a handle comprising an electric motor, wherein said electric motor comprises a rotatable output; a shaft extending from said handle, wherein said shaft defines a longitudinal axis; a fastener cartridge comprising a plurality of fasteners removably stored therein; an anvil configured to deform said fasteners; a closure drive configured to move said anvil toward and away from said fastener cartridge, wherein said closure drive comprises a rotatable closure drive portion which is rotatable about said longitudinal axis; a firing drive configured to deploy said fasteners from said fastener cartridge, wherein said firing drive comprises a rotatable firing drive portion which is rotatable about said longitudinal axis; and a transmission, comprising; a first operating configuration in which said transmission operably connects said rotatable output to said closure drive; a second operating configuration in which said transmission operably connects said rotatable output to said firing drive; a switch configured to switch said transmission between said first operating configuration and said second operating configuration; and a slidable collar, wherein said switch extends from said slidable collar, wherein said switch comprises a gripping portion, and wherein said slidable collar is slidable in a direction parallel to said longitudinal axis. - View Dependent Claims (3, 4, 5, 6)
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7. A surgical instrument, comprising:
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a handle comprising an electric motor, wherein said electric motor comprises a rotatable output; a shaft extending from said handle, wherein said shaft defines a longitudinal axis; a fastener cartridge comprising a plurality of fasteners removably stored therein; an anvil configured to deform said fasteners; a closure drive configured to move said anvil toward and away from said fastener cartridge, wherein said closure drive comprises a rotatable closure drive portion which is rotatable about said longitudinal axis; a firing drive configured to deploy said fasteners from said fastener cartridge, wherein said firing drive comprises a rotatable firing drive portion which is rotatable about said longitudinal axis; and a transmission, comprising; a first operating configuration in which said transmission operably connects said rotatable output to said closure drive; a second operating configuration in which said transmission operably connects said rotatable output to said firing drive; a switch configured to switch said transmission between said first operating configuration and said second operating configuration; and a slidable collar, wherein said collar comprises a first set of splines configured to engage said rotatable closure drive portion when said transmission is in said first operating configuration, and wherein said collar comprises a second set of splines configured to engage said rotatable firing drive portion when said transmission is in said second operating configuration.
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8. A surgical instrument, comprising:
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a handle, comprising; an electric motor, wherein said electric motor comprises a rotatable output; and a longitudinal axis; a shaft extending from said handle; an end effector extending from said shaft; a first drive configured to perform a first end effector function, wherein said first drive comprises a rotatable first drive portion which is rotatable about said longitudinal axis; a second drive configured to perform a second end effector function, wherein said second drive comprises a rotatable second drive portion which is rotatable about said longitudinal axis; and a transmission, comprising; a first operating configuration in which said transmission operably connects said rotatable output to said first drive; a second operating configuration in which said transmission operably connects said rotatable output to said second drive; a switch configured to switch said transmission between said first operating configuration and said second operating configuration; and a slidable collar, wherein said switch extends from said slidable collar, and wherein said slidable collar is slidable in a direction parallel to said longitudinal axis. - View Dependent Claims (9, 10, 11, 12)
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13. A surgical instrument, comprising:
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a housing comprising an electric motor, wherein said electric motor comprises a rotatable output; a shaft extending from said housing, wherein said shaft defines a longitudinal axis; a first jaw; a second jaw; a firing bar, wherein said firing bar is moveable relative to said first jaw; a closure drive configured to move said first jaw toward said second jaw, wherein said closure drive is rotatable about said longitudinal axis; a firing drive configured to drive said firing bar, wherein said firing drive is rotatable about said longitudinal axis; and a transmission, comprising; a first operating configuration in which said transmission operably connects said rotatable output to said closure drive; a second operating configuration in which said transmission operably connects said rotatable output to said firing drive; and a slidable collar, wherein said slidable collar comprises a first spline configured to engage said closure drive when said transmission is in said first operating configuration, and wherein said slidable collar comprises a second spline configured to engage said firing drive when said transmission is in said second operating configuration.
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14. A surgical instrument, comprising:
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a housing comprising an electric motor, wherein said electric motor comprises a rotatable output; a shaft extending from said housing, wherein said shaft defines a longitudinal axis; a first jaw; a second jaw; a closure drive configured to move said first jaw toward said second jaw, wherein said closure drive is rotatable about said longitudinal axis; a firing drive configured to move relative to said housing, wherein said firing drive is rotatable about said longitudinal axis; and a transmission, comprising; a first operating configuration in which said transmission operably connects said rotatable output to said closure drive; a second operating configuration in which said transmission operably connects said rotatable output to said firing drive; and a slidable collar configured to engage said closure drive when said transmission is in said first operating configuration, and wherein said slidable collar is configured to engage said firing drive when said transmission is in said second operating configuration.
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15. A surgical assembly, comprising:
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a housing comprising an electric motor, wherein said electric motor comprises a rotatable output; a shaft extending from said housing, wherein said shaft defines a longitudinal axis; a staple cartridge comprising a plurality of staples removably stored therein; an anvil configured to deform said staples; a closure drive configured to move said anvil toward said staple cartridge, wherein said closure drive comprises a rotatable closure drive portion which is rotatable about said longitudinal axis; a firing drive configured to deploy said staples from said staple cartridge, wherein said firing drive comprises a rotatable firing drive portion which is rotatable about said longitudinal axis; and a transmission, comprising; a first operating configuration in which said transmission operably connects said rotatable output to said closure drive; a second operating configuration in which said transmission operably connects said rotatable output to said firing drive; and a switch configured to switch said transmission between said first operating configuration and said second operating configuration. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
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Specification