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US 6,524,271 B2Granted
Therapeutic ultrasound catheter for delivering a uniform energy dose
AssigneePharmasonics, Inc.
InventorsAxel F. Brisken, John R. McKenzie, Robert F. Zuk, Menahem Nassi, Mark W. Cowan, Paul D. Corl
Life of this patent
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Abstract
A method of treating a target region in a body lumen, said method comprising: directing a uniform dose of ultrasonic energy from an interior of the lumen radially outward over a treatment length of the lumen, wherein the dosage of ultrasonic energy received at any one point along the length varies by no more than plus or minus 6 decibels from that received at any other point along the length.
Claims22
A method of treating a target region in a body lumen, said method comprising:
- directing a uniform dose of ultrasonic energy from an interior of the lumen radially outwardly over a length of at least 0.8 cm of the target region of the lumen, wherein the dosage of ultrasonic energy received at any one point along the length varies by no more than plus or minus 6 decibels from that received at any other point along the length.
A method of treating a target region in a body lumen, said method comprising:
- directing a uniform dose of ultrasonic energy from an interior of the lumen radially outwardly over the length of at least 0.8 cm of the target region of the lumen, wherein the dosage of ultrasonic energy received at any one point along the length varies by no more than plus or minus 6 decibels from that received at any other point along the length;
- and
- delivering a therapeutic agent to the target region such that the agent is present while the uniform dose of energy is being directed within the target region.
Dependencies are inferred from the claim text.