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Surgical instrument with replaceable loading unit

  • US 7,753,246 B2
  • Filed: 08/10/2007
  • Issued: 07/13/2010
  • Est. Priority Date: 01/31/2007
  • Status: Active Grant
First Claim
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1. A surgical instrument comprising:

  • an elongated housing having a proximal end and a distal end;

    a loading unit removably mountable with the distal end of the elongated housing and having a tool assembly, the loading unit having at least one lug thereon; and

    a handle assembly at the proximal end of the elongated housing;

    a locking structure having a first position for locking movement of the loading unit and a second position for allowing movement of the loading unit, the locking structure including a locking shaft that extends through the elongated housing to the handle assembly, the locking shaft having a surface engaging the at least one lug in the first position of the locking structure and disengaging the at least one lug in the second position of the locking structure; and

    ,the locking structure includes a button disposed on the handle assembly.

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