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Methods and apparatus for monopolar renal neuromodulation

  • US 10,376,312 B2
  • Filed: 10/05/2018
  • Issued: 08/13/2019
  • Est. Priority Date: 04/08/2002
  • Status: Expired due to Term
First Claim
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1. A method, comprising:

  • intravascularly positioning a renal denervation catheter in a low-profile delivery arrangement within a renal blood vessel of a hypertensive human patient and adjacent to renal nerves innervating a kidney of the patient;

    transforming the catheter from the low-profile delivery arrangement to an expanded arrangement at a treatment site within the renal blood vessel,wherein, in the expanded arrangement, a plurality of energy delivery elements of the renal denervation catheter are positioned in contact with an inner wall of the renal blood vessel of the patient; and

    delivering an electric field between the plurality of energy delivery elements and a ground pad coupled to an exterior of the patient,wherein delivering the electric field comprises delivering a substantially uniform circumferential energy field about the renal blood vessel at the treatment site, andwherein delivering the electric field attenuates neural communication along the renal nerves and results in a therapeutically beneficial reduction in blood pressure of the patient.

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