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Apparatus and methods for treating pulmonary hypertension

  • US 9,028,391 B2
  • Filed: 04/04/2014
  • Issued: 05/12/2015
  • Est. Priority Date: 12/15/2011
  • Status: Active Grant
First Claim
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1. A method of performing a procedure to destroy nerve fibers of a nerve innervating a pulmonary artery to treat pulmonary hypertension in a patient, the method comprising:

  • advancing a distal portion of a therapy delivery catheter to a target location in the pulmonary artery of the patient;

    changing a shape of the distal portion of the catheter from a first configuration to a second configuration to cause the distal portion to contact an inner wall of the pulmonary artery at the target location;

    delivering a therapy from at least one therapy delivery member disposed along the distal portion of the catheter to destroy the nerve fibers along a length of the nerve to treat the pulmonary hypertension in the patient; and

    removing the catheter from the pulmonary artery and from the patient at the end of the procedure.

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