Method and apparatus for performing myocardial revascularization
First Claim
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1. Apparatus for forming a hole in a region of the heart muscle wall of a patient undergoing myocardial revascularization comprising:
- means for removing tissue from the region to form the hole;
a light source that illuminates the region with light that generates photoacoustic waves therein;
at least one acoustic sensor that generates signals responsive to the photoacoustic waves; and
a controller that receives the signals and processes them to determine a characteristic of the region useable to control the means for removing tissue.
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Abstract
Apparatus for forming a hole in a region of the heart muscle wall of a patient undergoing myocardial revascularization comprising: means for removing tissue from the region to form the hole; a light source that illuminates the region with light that generates photoacoustic waves therein; at least one acoustic sensor that generates signals responsive to the photoacoustic waves; and a controller that receives the signals and processes them to determine a characteristic of the region useable to control the means for removing tissue.
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Citations
47 Claims
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1. Apparatus for forming a hole in a region of the heart muscle wall of a patient undergoing myocardial revascularization comprising:
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means for removing tissue from the region to form the hole;
a light source that illuminates the region with light that generates photoacoustic waves therein;
at least one acoustic sensor that generates signals responsive to the photoacoustic waves; and
a controller that receives the signals and processes them to determine a characteristic of the region useable to control the means for removing tissue. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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42. Apparatus for forming a hole in a region of the heart muscle wall of a patient undergoing myocardial revascularization comprising:
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means for removing tissue from the region to form the hole;
a light source that illuminates the region with light;
an optical sensor that generates signals responsive to light from the light source that is reflected by the region; and
a controller that receives the signals and processes them to determine at least one characteristic of the region useable to control the means for removing tissue. - View Dependent Claims (43, 44, 45, 46, 47)
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Specification