Apparatus and method for intracardiac therapy using sensor for heart wall thickness
First Claim
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1. Apparatus for intracardiac therapy, comprising:
- a catheter having a drug delivery device which is inserted into a chamber of a heart for administration of therapeutic treatment to a heart wall;
a sensor, which generates signals responsive to a thickness of a heart wall; and
a controller, which receives the signals from the sensor, and measures the thickness of the heart wall and controls the administration of therapeutic treatment using the drug delivery device based on the thickness of the heart wall.
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Abstract
Apparatus for intracardiac drug administration, including a catheter which is inserted into a chamber of the heart and brought into engagement with a site in the heart wall. The catheter includes at least one position sensor, which generates signals responsive to the position of the catheter within the heart, and a drug delivery device, which administers a desired dose of a therapeutic drug at the site determined responsive to the signals from the position sensor.
154 Citations
17 Claims
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1. Apparatus for intracardiac therapy, comprising:
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a catheter having a drug delivery device which is inserted into a chamber of a heart for administration of therapeutic treatment to a heart wall;
a sensor, which generates signals responsive to a thickness of a heart wall; and
a controller, which receives the signals from the sensor, and measures the thickness of the heart wall and controls the administration of therapeutic treatment using the drug delivery device based on the thickness of the heart wall. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of intracardiac therapy, comprising:
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providing an apparatus for intracardiac therapy comprising a catheter having a drug delivery device which is inserted into a chamber of a heart for administration of therapeutic treatment to a heart wall;
a sensor which generates signals responsive to a thickness of the heart wall; and
a controller, which receives the signals from the sensor, and measures the thickness of the heart wall and controls the administration of therapeutic treatment using the drug delivery device based on the thickness of the heart wall;
placing a distal end of the catheter at a site on the heart wall;
receiving signals with the sensor indicative of variations in the thickness of the heart wall; and
administering a therapeutic treatment to the site in the heart wall using the drug delivery device based on the variations in the thickness of the heart wall. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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Specification