System for nerve modulation and innocuous thermal gradient nerve block
First Claim
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1. A method for performing intravascular nerve modulation, the method comprising:
- providing a nerve modulation system comprising;
an elongate shaft having a proximal end region and a distal end region;
a first transducer disposed adjacent the distal end region; and
a second transducer disposed adjacent to the first transducer;
advancing the nerve modulation system through a lumen such that the first transducer is adjacent to a first target region;
supplying a first current to the first transducer to generate a first acoustic energy that is directed to the first target region such that a temperature of the first target region is raised to a first temperature that is sufficient to generate a thermal nerve block; and
supplying a second current to the second transducer to generate a second acoustic energy different from the first acoustic energy, said second acoustic energy directed to a second target region adjacent to the second transducer such that a temperature of the second target region is raised to a second temperature that is greater than the first temperature and is sufficient to perform nerve modulation.
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Abstract
Systems for nerve and tissue modulation are disclosed. An example system may include a first elongate element having a distal end and a proximal end and having at least one nerve modulation element disposed adjacent the distal end. The nerve modulation element may be positioned or moveable to target a particular target region. The nerve modulation element may be an ultrasound transducer. The nerve modulation element may be configured to be operated at a low intensity to provide a thermal nerve block or a high intensity to effect tissue modulation.
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Citations
5 Claims
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1. A method for performing intravascular nerve modulation, the method comprising:
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providing a nerve modulation system comprising; an elongate shaft having a proximal end region and a distal end region; a first transducer disposed adjacent the distal end region; and a second transducer disposed adjacent to the first transducer; advancing the nerve modulation system through a lumen such that the first transducer is adjacent to a first target region; supplying a first current to the first transducer to generate a first acoustic energy that is directed to the first target region such that a temperature of the first target region is raised to a first temperature that is sufficient to generate a thermal nerve block; and supplying a second current to the second transducer to generate a second acoustic energy different from the first acoustic energy, said second acoustic energy directed to a second target region adjacent to the second transducer such that a temperature of the second target region is raised to a second temperature that is greater than the first temperature and is sufficient to perform nerve modulation. - View Dependent Claims (2, 3, 4, 5)
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Specification