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Device to aid in the deployment of a shape memory instrument

  • US 10,159,497 B2
  • Filed: 12/28/2015
  • Issued: 12/25/2018
  • Est. Priority Date: 12/14/2012
  • Status: Active Grant
First Claim
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1. A method of creating or enlarging a cavity in a vertebral body, the method comprising steps of:

  • inserting a friction reduction covering and a cavity creation member toward the vertebral body, wherein the friction reduction covering defines a covering opening and the cavity creation member includes an end portion substantially disposed in the covering opening;

    moving the cavity creation member relative to the friction reduction covering, while a cannula causes the friction reduction covering to remain stationary in the cannula, such that the end portion becomes increasingly displaced from the friction reduction covering; and

    during the moving step, transitioning the end portion from a first shape to a second shape that is different from the first shape.

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