Articulatable surgical instruments with articulation stroke amplification features

  • US 10,517,596 B2
  • Filed: 12/21/2016
  • Issued: 12/31/2019
  • Est. Priority Date: 12/21/2016
  • Status: Active Grant
First Claim
Patent Images

1. A surgical tool assembly, comprising:

  • an elongate shaft defining a shaft axis,a surgical end effector coupled to said elongate shaft for selective articulation relative to said elongate shaft about an articulation axis that is transverse to said shaft axis;

    a first articulation link operably interfacing with a source of articulation motions to selectively axially move said first articulation link a first axial distance in a first axial direction;

    a second articulation link operably interfacing with said surgical end effector to apply articulation motions thereto; and

    an articulation stroke multiplier operably interfacing with said first articulation link and said second articulation link such that when said first articulation link is axially moved said first axial distance in said first axial direction, said articulation stroke multiplier moves said second articulation link another first axial distance in said first axial direction that is greater than said first axial distance.

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