END EFFECTORS FOR A SURGICAL CUTTING AND STAPLING INSTRUMENT
First Claim
1. A disposable loading unit for a surgical stapling instrument, comprising:
- a staple cartridge carrier configured to operably support a staple cartridge; and
an anvil assembly, comprising;
an anvil portion including at least one staple-deforming cavity;
a first cover plate secured to said anvil portion, wherein said first cover plate is configured to support said anvil portion; and
a second cover plate secured to at least one of said anvil portion and said first cover plate to support said anvil portion.
4 Assignments
0 Petitions
Accused Products
Abstract
In various embodiments, an anvil of a disposable loading unit including a first member having staple pockets for deforming staples, a first cover plate secured to the first member, and a second cover plate secured to at least one of the first member and the first cover plate, wherein the first and second cover plates can be configured to support the first member. In at least one embodiment, an anvil can include a first member inserted into a second member, where at least one of the first and second members can be deformed to retain one to the other. In various embodiments, a surgical stapling instrument can include a disposable loading unit comprising a staple cartridge, an anvil, and a sleeve, wherein the sleeve can be configured to be slid relative to the staple cartridge and the anvil to hold the anvil in a closed position.
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Citations
28 Claims
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1. A disposable loading unit for a surgical stapling instrument, comprising:
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a staple cartridge carrier configured to operably support a staple cartridge; and an anvil assembly, comprising; an anvil portion including at least one staple-deforming cavity; a first cover plate secured to said anvil portion, wherein said first cover plate is configured to support said anvil portion; and a second cover plate secured to at least one of said anvil portion and said first cover plate to support said anvil portion. - View Dependent Claims (2, 3, 4)
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5. A disposable loading unit for a surgical stapling instrument, comprising:
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a staple cartridge carrier configured to operably support a staple cartridge; and an anvil assembly, comprising; a first portion; and a second portion, including; at least one staple deforming cavity; and a body defining an internal cavity, wherein said first portion is configured to be at least partially received within said internal cavity, and wherein said second portion is configured to be deformed such that said first portion is retained within said internal cavity. - View Dependent Claims (6, 7, 8)
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9. A disposable loading unit for a surgical stapling instrument, comprising:
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a staple cartridge carrier configured to operably support a staple cartridge; and an anvil comprised of a unitary piece of material, comprising; a first portion including at least one staple deforming cavity; a second portion including at least one staple deforming cavity; and an intermediate portion, wherein said first portion and said second portion are bent relative to said intermediate portion. - View Dependent Claims (10, 11, 12)
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13. A disposable loading unit for a surgical stapling instrument, comprising:
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a staple cartridge carrier configured to operably support a staple cartridge; and an anvil assembly, comprising; an anvil portion including at least one staple deforming cavity; and a support plate clipped onto said anvil portion. - View Dependent Claims (14, 15, 16)
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17. A disposable loading unit for a surgical stapling instrument, comprising:
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a staple cartridge carrier configured to operably support a staple cartridge; an anvil, comprising; at least one staple deforming cavity; and a guide slot; and a drive assembly, comprising; a drive beam movable relative to said anvil and said staple cartridge channel, wherein said drive beam is configured to slide within said guide slot, and wherein said drive beam includes a deformed portion configured to retain said drive beam within said guide slot. - View Dependent Claims (18, 19, 20)
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21. A disposable loading unit for a surgical stapling instrument, comprising:
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a staple cartridge carrier configured to operably support a staple cartridge; an anvil comprising at least one staple deforming cavity, wherein said anvil is rotatably movable between a first position and a second position; and a sleeve comprising an aperture, wherein said sleeve is configured to be slid relative to said staple cartridge carrier and said anvil, and wherein at least a portion of said staple cartridge carrier and said anvil are configured to be positioned within said aperture such that said sleeve can hold said anvil in said second position. - View Dependent Claims (22, 23, 24)
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25. A disposable loading unit for a surgical stapling instrument, comprising:
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a staple cartridge carrier configured to operably support a staple cartridge; an anvil comprising at least one staple deforming cavity, wherein said anvil is rotatably movable between a first position and a second position; and a tongue configured to be slid relative to said staple cartridge channel and said anvil, wherein said tongue is configured to engage said anvil and hold said anvil in said second position. - View Dependent Claims (26, 27, 28)
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Specification