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Stapler tool with rotary drive lockout

  • US 10,363,035 B2
  • Filed: 08/16/2016
  • Issued: 07/30/2019
  • Est. Priority Date: 08/16/2016
  • Status: Active Grant
First Claim
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1. A lockout mechanism for use with a surgical stapler, comprising:

  • a rotary drive member;

    an engagement feature disposed on the rotary drive member; and

    a lockout assembly havinga lockout body disposed about the rotary drive member,a latch pivotally coupled to the lockout body about a pivot pin such that the latch pivots between engaged and disengaged positions, the latch and pivot pin being configured to translate linearly along the lockout body between proximal and distal positions, anda latch retainer positioned between the lockout body and the engagement feature on the rotary drive member;

    wherein the latch is configured to engage the latch retainer when the latch is in the proximal position and in the engaged position such that the latch retainer prevents movement of the latch to the distal position; and

    wherein the latch is configured to engage the engagement feature on the rotary drive member when the latch is in the distal position and in the engaged position such that the latch prevents rotation of the rotary drive member.

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