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Detachable articulating endoscopic tool cartridge

  • US 10,194,892 B2
  • Filed: 10/15/2014
  • Issued: 02/05/2019
  • Est. Priority Date: 10/15/2014
  • Status: Active Grant
First Claim
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1. A medical instrument, comprising:

  • a shaft comprising a threaded portion on a distal end of the shaft and at least one slot on the distal end of the shaft;

    a handle connected to the shaft;

    a tool insert receivable in the shaft, comprising;

    a tool portion including a bearing with at least one protrusion for engagement with the at least one slot to prevent rotation of the tool portion relative to the shaft;

    a collar on a proximal side of the bearing and rotatable relative to the tool portion, the collar comprising threads that correspond to the threaded portion of the shaft; and

    an elongated member for engagement with the handle for actuation of the tool portion.

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