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Multi-use loading unit

  • US 9,526,499 B2
  • Filed: 04/21/2015
  • Issued: 12/27/2016
  • Est. Priority Date: 10/25/2011
  • Status: Active Grant
First Claim
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1. A surgical instrument having a channel and comprising:

  • a cartridge assembly;

    a drive member configured to travel in a longitudinal direction; and

    a lockout mechanism configured to prevent longitudinal translation of the drive member, the lockout mechanism comprising;

    a latch disposed in mechanical cooperation with a portion of the channel and laterally movable towards a sidewall of the channel from an initial position to a blocking position; and

    a spring configured to bias the latch towards the blocking position, a shaped surface of the latch obstructing distal movement of the drive member when the latch is in the blocking position, wherein proximal translation of the drive member causes the drive member to contact a portion of the latch and causes the latch to move away from its blocking position.

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