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Deflectable renal nerve ablation catheter

  • US 9,119,632 B2
  • Filed: 11/16/2012
  • Issued: 09/01/2015
  • Est. Priority Date: 11/21/2011
  • Status: Expired due to Fees
First Claim
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1. A medical device, comprising:

  • a catheter having a proximal region and a distal region;

    wherein the catheter is configured to shift between a first straightened configuration and a second deflected configuration;

    an ablation member coupled to the distal region;

    a handle coupled to the proximal region;

    wherein the handle includes an actuation member for shifting the catheter between the first configuration and the second configuration, and wherein a pull wire is coupled to the actuation member; and

    a lock coupled to the handle for maintaining the catheter in either the first configuration or the second configuration, wherein the lock includes a carriage attached to the pull wire, a pivot plate disposed within a channel formed in the carriage and disposed about a carriage shaft, and a biasing spring coupled to the pivot plate.

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