Surgical instrument system comprising a firing system including a rotatable shaft and first and second actuation ramps

  • US 10,052,099 B2
  • Filed: 06/19/2014
  • Issued: 08/21/2018
  • Est. Priority Date: 01/31/2006
  • Status: Active Grant
First Claim
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1. An end effector for use with a surgical instrument system, said end effector comprising:

  • a cartridge channel;

    a longitudinal axis;

    a staple cartridge removably positioned in said cartridge channel, comprising;

    a cartridge body comprising a plurality of staple cavities, wherein said staple cavities are arranged in six longitudinal rows;

    a plurality of staples, wherein said staples are removably positioned in said staple cavities;

    a plurality of pushers, wherein said pushers are configured to eject said staples from said staple cavities;

    a plurality of rotary drivers couplable to said plurality of pushers; and

    a longitudinal slot, wherein three of said six longitudinal rows of staple cavities are positioned on a first side of said longitudinal slot, and wherein the other three of said six longitudinal rows of staple cavities are positioned on a second side of said longitudinal slot;

    a rotatable shaft comprising a threaded portion, wherein said rotatable shaft is rotatable by a motor; and

    a translatable sled, comprising;

    a threaded aperture threadably engaged with said threaded portion, wherein said shaft is configured to displace said sled longitudinally when said shaft is rotated;

    a knife aligned with said longitudinal slot;

    a first ramp positioned on said first side of said longitudinal slot, wherein said first ramp is configured to actuate a first group of said rotary drivers; and

    a second ramp configured to actuate a second group of said rotary drivers, wherein said second ramp is aligned laterally with said first ramp.

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