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System for use in treatment of vertebral fractures

  • US 9,125,671 B2
  • Filed: 04/29/2011
  • Issued: 09/08/2015
  • Est. Priority Date: 04/29/2010
  • Status: Active Grant
First Claim
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1. A medical device for treating a vertebral body, comprising:

  • a handle having a connector for electrically coupling the device to a power supply;

    a shaft extending from the handle to a working end, where a first conductive portion of the shaft is electrically coupleable to a first pole of the power supply; and

    an extendable element extendible from the shaft, where the extendable element is coupleable to a second pole of the power supply, such that when activated, current flows between the extendable element and the shaft;

    an actuation mechanism operatively coupled to the handle and configured to deform and maintain the working end into an articulated shape, where the working end is configured to remain in the articulated shape upon application of a driving force such that the articulated shape of the working end creates a cavity; and

    wherein an axially-extending surface portion of the working end comprises an electrical insulator positioned to direct current towards a side of the device opposite o the electrical insulator.

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