SURGICAL STAPLING DEVICE WITH A CURVED END EFFECTOR
First Claim
1. An end effector for use with a surgical instrument, the end effector comprising:
- a first jaw, comprising;
a first lateral side comprising an outside radius of curvature; and
a second lateral side comprising an inside radius of curvature;
a second jaw, wherein one of said first jaw and said second jaw comprises a plurality of staple cavities arranged in a plurality of curved staple cavity rows, wherein said second jaw is moveable relative to said first jaw between an open orientation, a partially-closed orientation, and a closed orientation, and wherein said second jaw comprises;
a first lateral side comprising an outside radius of curvature, wherein an outside partially-closed distance is defined between said first lateral sides when said second jaw is in said partially-closed orientation; and
a second lateral side comprising an inside radius of curvature, wherein an inside partially-closed distance is defined between said second lateral sides when said second jaw is in said partially-closed orientation, and wherein said inside partially-closed distance is less than said outside partially-closed distance; and
a cutting element structured to travel along a curved path between two curved staple cavity rows of said plurality of curved staple cavity rows.
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Accused Products
Abstract
The present invention includes a surgical stapler having a staple cartridge, an anvil, and a cutting member having a cutting surface, wherein the cutting member is relatively movable with respect to the anvil and the staple cartridge. In at least one embodiment, one of the anvil and the staple cartridge defines a slot which is configured to receive at least a portion of the cutting member and guide the cutting member as it is moved relative to the anvil and the staple cartridge. In these embodiments, the slot can define a path having linear and/or curved portions. In various embodiments, the path can include a curved portion having a first portion that extends away from the shaft axis and a second portion that extends toward the axis. In one embodiment, the path can include a curved portion defined by an arc corresponding to an angle greater than 90 degrees.
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Citations
20 Claims
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1. An end effector for use with a surgical instrument, the end effector comprising:
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a first jaw, comprising; a first lateral side comprising an outside radius of curvature; and a second lateral side comprising an inside radius of curvature; a second jaw, wherein one of said first jaw and said second jaw comprises a plurality of staple cavities arranged in a plurality of curved staple cavity rows, wherein said second jaw is moveable relative to said first jaw between an open orientation, a partially-closed orientation, and a closed orientation, and wherein said second jaw comprises; a first lateral side comprising an outside radius of curvature, wherein an outside partially-closed distance is defined between said first lateral sides when said second jaw is in said partially-closed orientation; and a second lateral side comprising an inside radius of curvature, wherein an inside partially-closed distance is defined between said second lateral sides when said second jaw is in said partially-closed orientation, and wherein said inside partially-closed distance is less than said outside partially-closed distance; and a cutting element structured to travel along a curved path between two curved staple cavity rows of said plurality of curved staple cavity rows. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An end effector for use with a surgical instrument, the end effector comprising:
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a first jaw, comprising; a first lateral side comprising an outside radius of curvature; and a second lateral side comprising an inside radius of curvature; and a second jaw, wherein one of said first jaw and said second jaw comprises a plurality of staple cavities arranged in a plurality of curved staple cavity rows, wherein said second jaw is moveable relative to said first jaw between an open orientation, a partially-closed orientation, and a closed orientation, and wherein said second jaw comprises; a first lateral side comprising an outside radius of curvature, wherein an outside partially-closed distance is defined between said first lateral sides when said second jaw is in said partially-closed orientation; and a second lateral side comprising an inside radius of curvature, wherein an inside partially-closed distance is defined between said second lateral sides when said second jaw is in said partially-closed orientation, and wherein said inside partially-closed distance is less than said outside partially-closed distance. - View Dependent Claims (15, 16, 17, 18)
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19. An end effector for cutting and stapling tissue, the end effector comprising:
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a first jaw; a second jaw, wherein one of said first jaw and said second jaw comprises a plurality of staple cavities arranged in a plurality of curved staple cavity rows, wherein said second jaw is moveable relative to said first jaw between an open orientation and a closed orientation, and wherein said second jaw comprises; a first lateral side comprising an outside radius of curvature; and a second lateral side comprising an inside radius of curvature, wherein said first lateral side is structured to clamp tissue against said first jaw before said second lateral side when said second jaw moves from said open orientation toward said closed orientation; and a plurality of staples removably positioned in said plurality of staple cavities. - View Dependent Claims (20)
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Specification