Surgical instrument comprising a cutting member
First Claim
1. A surgical instrument, comprising:
- a first jaw comprising a distal jaw end;
a second jaw movable relative to said first jaw to capture tissue of a patient between said first jaw and said second jaw; and
a cutting member movable toward said distal jaw end during a cutting stroke, wherein said cutting member comprises;
a coupling portion, comprising;
a first cam configured to engage said first jaw;
a second cam configured to engage said second jaw during said cutting stroke; and
a body connecting said first cam and said second cam; and
a bar comprising a plurality of layers attached to said coupling portion, wherein said bar comprises a cutting edge configured to cut the tissue during said cutting stroke, and wherein at least a portion of said bar extends proximally beyond said coupling portion.
3 Assignments
0 Petitions
Accused Products
Abstract
Surgical instruments are disclosed which comprise an improved staple firing and/or tissue cutting member. A surgical instrument comprising a first jaw and a second jaw is disclosed, wherein the second jaw is movable relative to the first jaw to capture the tissue of a patient between the first jaw and the second jaw. The surgical instrument further comprises a cutting member movable toward a distal jaw end during a cutting stroke. The cutting member comprises a coupling portion comprising a first cam configured to engage the first jaw, a second cam configured to engage the second jaw, and a body connecting the first cam and the second cam. The cutting member further comprises a bar attached to the coupling portion, wherein the bar comprises a cutting edge configured to cut the patient tissue during the cutting stroke.
6605 Citations
13 Claims
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1. A surgical instrument, comprising:
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a first jaw comprising a distal jaw end; a second jaw movable relative to said first jaw to capture tissue of a patient between said first jaw and said second jaw; and a cutting member movable toward said distal jaw end during a cutting stroke, wherein said cutting member comprises; a coupling portion, comprising; a first cam configured to engage said first jaw; a second cam configured to engage said second jaw during said cutting stroke; and a body connecting said first cam and said second cam; and a bar comprising a plurality of layers attached to said coupling portion, wherein said bar comprises a cutting edge configured to cut the tissue during said cutting stroke, and wherein at least a portion of said bar extends proximally beyond said coupling portion. - View Dependent Claims (2, 3, 9, 10, 11, 12)
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4. A surgical instrument, comprising:
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a first jaw comprising a distal jaw end; a second law movable relative to said first law to capture tissue of a patient between said first jaw and said second jaw; and a cutting member movable toward said distal jaw end during a cutting stroke, wherein said cutting member comprises; a coupling portion, comprising; a first cam configured to engage said first jaw; a second cam configured to engage said second jaw during said cutting stroke; a body connecting said first cam and said second cam; and a mounting recess, wherein said coupling portion further comprises a mounting projection within said mounting recess; and a bar comprising a plurality of layers attached to said coupling portion, wherein said bar comprises a cutting edge configured to cut the tissue during said cutting stroke, wherein said bar comprises a distal bar end positioned in said mounting recess, and wherein said bar comprises a mounting aperture configured to receive said mounting projection such that dimensions of said mounting aperture match dimensions of said mounting projection.
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5. A surgical instrument, comprising:
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a first law comprising a distal law end; a second law movable relative to said first law to capture tissue of a patient between said first jaw and said second jaw; and a cutting member movable toward said distal jaw end during a cutting stroke, wherein said cutting member comprises; a coupling portion, comprising; a first cam configured to engage said first jaw; a second cam configured to engage said second jaw during said cutting stroke, wherein said coupling portion further comprises a plurality of mounting projections; and a body connecting said first cam and said second cam; and a bar comprising a plurality of layers attached to said coupling portion, wherein said bar comprises a cutting edge configured to cut the tissue during said cutting stroke, and wherein said bar comprises a plurality of mounting apertures configured to receive said mounting projections. - View Dependent Claims (6, 7, 8)
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13. A surgical stapler, comprising:
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a first jaw comprising a distal jaw end; a second jaw movable relative to said first jaw to capture tissue of a patient between said first jaw and said second jaw; a staple cartridge comprising a plurality of staples removably stored therein; and a firing member movable toward said distal jaw end during a firing stroke to eject said staples from said staple cartridge, wherein said firing member comprises; a coupling portion, comprising; a first cam configured to engage said first jaw; a second cam configured to engage said second jaw during said firing stroke; and a body connecting said first cam to said second cam; and a bar attached to said coupling portion, wherein said bar comprises a cutting edge configured to cut the tissue during said firing stroke, and wherein at least a portion of said bar extends proximally beyond said coupling portion.
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Specification