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Microwave ablation catheter, handle, and system

  • US 9,867,665 B2
  • Filed: 09/08/2014
  • Issued: 01/16/2018
  • Est. Priority Date: 09/06/2013
  • Status: Active Grant
First Claim
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1. A handle for longitudinal movement of a first tubular member over a second tubular member, the handle comprising:

  • a handle body;

    a nose cone having a sleeve and an outer wall defining a control channel therebetween, the nose cone moveable over the handle body between an extended position and a retracted position;

    a locking mechanism including a locking pin having a retention plate, the locking pin being biased out of the slot defined in the handle body such that the retention plate retains the locking pin within the slot, the locking mechanism being disposed within a slot defined in the handle body and having a locked position and an unlocked position for selectively fixing the nose cone in the extended and retracted positions; and

    a retraction control including a finger positioned within the control channel of the nose cone, the retraction control having first and second positions relative to the nose cone for transitioning the locking mechanism between the locked and unlocked positions and for moving the nose cone between the extended and retracted positions.

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