END EFFECTORS FOR SURGICAL STAPLERS
3 Assignments
0 Petitions
Accused Products
Abstract
Articulation joints for use in connection with a surgical instrument that has a portion that must be passed through a trocar or similar structure and then articulated relative to another portion of the instrument received within the trocar. Various embodiments of the articulation joint include at least one flexible driven member to articulate the surgical implement relative to the handle assembly of the instrument.
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Citations
33 Claims
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1-19. -19. (canceled)
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20. A surgical instrument, comprising:
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a shaft; an end effector extending from the shaft, wherein the end effector comprises; an anvil including a staple forming portion; a cutting member; and a staple cartridge, comprising; a cartridge body including a proximal end and a distal end; an elongate slot extending between the proximal end and the distal end, wherein the cutting member is movable relative to the elongate slot to cut tissue captured between the anvil and the staple cartridge; a deck, comprising; a first deck surface; and a second deck surface, wherein one of the first deck surface and the second deck surface is stepped up from the other one of the first deck surface and the second deck surface; a plurality of first staple cavities arranged in a first row on a lateral side of the elongate slot, wherein the first row extends along the first deck surface; a plurality of second staple cavities arranged in a second row on the lateral side of the elongate slot, wherein the second row is closer to the elongate slot than the first row, and wherein the second row extends along the second deck surface; a plurality of first staples removably stored in the plurality of first staple cavities, wherein the plurality of first staples comprises a first unformed height; and a plurality of second staples removably stored in the plurality of second staple cavities, wherein the plurality of second staples comprises a second unformed height different from the first unformed height; and a control assembly, comprising; a control circuit configured to generate a drive signal; and a drive unit movable in response to the drive signal to deploy the plurality of first staples and the plurality of second staples. - View Dependent Claims (21, 22, 23, 24)
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25. A surgical instrument, comprising:
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a fastener cartridge, comprising; a cartridge body including a proximal end and a distal end; an elongate slot extending between the proximal end and the distal end; a deck, comprising; a first deck surface; and a second deck surface, wherein one of the first deck surface and the second deck surface is positioned higher than the other one of the first deck surface and the second deck surface; a plurality of first fastener cavities arranged in a first row on a lateral side of the elongate slot, wherein the first row extends along the first deck surface; a plurality of second fastener cavities arranged in a second row on the lateral side of the elongate slot, wherein the second row is closer to the elongate slot than the first row, and wherein the second row extends along the second deck surface; a plurality of first fasteners removably stored in the plurality of first fastener cavities, wherein the plurality of first fasteners comprises a first unformed height; and a plurality of second fasteners removably stored in the plurality of second fastener cavities, wherein the plurality of second fasteners comprises a second unformed height different from the first unformed height; and a control circuit comprising a processor configured to generate a drive signal to deploy the plurality of first fasteners and the plurality of second fasteners. - View Dependent Claims (26, 27, 28, 29)
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30. A surgical instrument, comprising:
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a shaft; an end effector extending from the shaft, wherein the end effector comprises; an anvil including a staple forming portion; a cutting member; and a staple cartridge, comprising; a cartridge body including a proximal end and a distal end; an elongate slot extending between the proximal end and the distal end, wherein the cutting member is movable relative to the elongate slot to cut tissue captured between the anvil and the staple cartridge; a deck, comprising; a first deck surface; and a second deck surface, wherein one of the first deck surface and the second deck surface is stepped up from the other one of the first deck surface and the second deck surface; a plurality of first staple cavities arranged in a first row on a lateral side of the elongate slot, wherein the first row extends along the first deck surface; a plurality of second staple cavities arranged in a second row on the lateral side of the elongate slot, wherein the second row is closer to the elongate slot than the first row, and wherein the second row extends along the second deck surface; a plurality of first staples removably stored in the plurality of first staple cavities, wherein the plurality of first staples comprises a first unformed height; and a plurality of second staples removably stored in the plurality of second staple cavities, wherein the plurality of second staples comprises a second unformed height different from the first unformed height; and a drive assembly, comprising; a motor configured to generate at least one rotary motion; and an driven member configured to transmit at least one motion to the end effector in response to the at least one rotary motion. - View Dependent Claims (31, 32, 33)
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Specification