Shaft assembly comprising separately actuatable and retractable systems
First Claim
1. A shaft assembly for use with a surgical system, wherein said shaft assembly comprises:
- a frame, comprising;
a proximal portion configured to be mounted to the surgical system; and
a tube extending distally from said proximal portion;
a spine, wherein said spine extends through said tube, and wherein said spine is slidably mounted to said proximal portion;
an end effector, comprising;
a first jaw extending distally from said spine; and
a second jaw rotatably mounted to said first jaw, wherein said second jaw is rotatable between an open position and a closed position;
a firing member operably engageable with a drive system of the surgical system, wherein said firing member is movable distally relative to said spine during a firing stroke;
a firing member retraction system configured to pull said firing member proximally; and
an end effector opening system configured to slide said spine distally and allow said second jaw to rotate into said open position.
3 Assignments
0 Petitions
Accused Products
Abstract
A shaft assembly is disclosed which comprises an end effector configurable in an open configuration and a closed configuration, a closure system configured to transition the end effector toward the closed configuration during a closure stroke, a firing member movable through a firing stroke, and a frame. In various instances, the shaft assembly comprises a first bailout configured to shift the frame in order to open the end effector and a second, independent, bailout configured to retract the firing member during and/or after the firing stroke. In certain instances, the closure system is expandable to perform the closure stroke. In at least one such instance, the closure system comprises a proximal portion mounted to the frame and a distal portion movable relative to the proximal portion. In at least one instance, the firing member engages the closure member to expand the closure system.
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Citations
30 Claims
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1. A shaft assembly for use with a surgical system, wherein said shaft assembly comprises:
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a frame, comprising; a proximal portion configured to be mounted to the surgical system; and a tube extending distally from said proximal portion; a spine, wherein said spine extends through said tube, and wherein said spine is slidably mounted to said proximal portion; an end effector, comprising; a first jaw extending distally from said spine; and a second jaw rotatably mounted to said first jaw, wherein said second jaw is rotatable between an open position and a closed position; a firing member operably engageable with a drive system of the surgical system, wherein said firing member is movable distally relative to said spine during a firing stroke; a firing member retraction system configured to pull said firing member proximally; and an end effector opening system configured to slide said spine distally and allow said second jaw to rotate into said open position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A shaft assembly for use with a surgical system, wherein said shaft assembly comprises:
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a frame mountable to the surgical system; an end effector, comprising; a first jaw; and a second jaw rotatably mounted to said first jaw, wherein said second jaw is rotatable between an open position and a closed position; a closure member configurable in a contracted configuration and an expanded configuration, wherein said closure member is configured to move said second jaw toward said closed position when said closure member is transitioned from said contracted configuration to said expanded configuration during a closure stroke; and a firing member operably engageable with a drive system of the surgical system, wherein said firing member is movable through a firing stroke by the drive system. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28)
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29. A shaft assembly for use with a surgical system, wherein said shaft assembly comprises:
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a frame mountable to the surgical system; an end effector, comprising; a first jaw; and a second jaw rotatably mounted to said first jaw, wherein said second jaw is rotatable between an open position and a closed position; and a closure member configurable in a contracted configuration and an expanded configuration, wherein said closure member is configured to move said second jaw toward said closed position when said closure member is transitioned from said contracted configuration to said expanded configuration during a closure stroke, wherein said closure member comprises a proximal portion and a distal portion, wherein said proximal portion of said closure member is mounted to said frame, and wherein said distal portion is movable away from said proximal portion during said closure stroke, and wherein said closure member further comprises a spring configured to bias said distal portion of said closure member toward said proximal portion.
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30. A shaft assembly for use with a surgical system, wherein said shaft assembly comprises:
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a frame mountable to the surgical system; an end effector, comprising; a first jaw; and a second jaw rotatably mounted to said first jaw, wherein said second jaw is rotatable between an open position and a closed position; a closure member configurable in a contracted configuration and an expanded configuration, wherein said closure member is configured to move said second jaw toward said closed position when said closure member is transitioned from said contracted configuration to said expanded configuration during a closure stroke; and a spring configured to bias said closure member into said contracted configuration.
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Specification