Intravascular imaging detector
First Claim
Patent Images
1. An intravascular imaging catheter comprising:
- a catheter body comprising a proximal portion and a distal portion; and
a radiation detector array disposed at the distal portion of the catheter body, wherein the radiation detector array is capable of operating both at a gross count rate and in an imaging mode.
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Accused Products
Abstract
An apparatus for intravascular imaging to detect and characterize early-stage, unstable coronary arty plaques. The detector works by identifying and localizing plaque-binding beta-emitting radiopharmaceuticals.
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Citations
18 Claims
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1. An intravascular imaging catheter comprising:
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a catheter body comprising a proximal portion and a distal portion; and a radiation detector array disposed at the distal portion of the catheter body, wherein the radiation detector array is capable of operating both at a gross count rate and in an imaging mode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 12, 13, 14, 15)
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10. An intravascular imaging catheter comprising:
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a catheter body comprising a proximal portion and a distal portion; and a radiation detector array disposed at the distal portion of the catheter body, wherein the radiation detector are capable of operating both at a gross count rate and in an imaging mode, wherein the radiation detector array comprises an array of scintillators distributed along a length of the catheter body, and wherein the array of scintillators comprise a plurality of scintillators aligned along an axis, wherein each of the scintillators has an emission spectrum that is offset in wavelength from the other scintillators in the array. - View Dependent Claims (11)
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16. An intravascular imaging catheter comprising:
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a catheter body comprising a proximal portion and a distal portion; and a radiation detector array disposed at the distal portion of the catheter body, wherein the radiation detector are capable of operating both at a gross count rate and in an imaging mode, wherein the radiation detector array comprises; an optical fiber moveably disposed within the catheter body; a laser that delivers a laser light having a first wavelength; an imaging plate disposed around a distal portion of the optical fiber that receives beta particles, wherein the laser light interacts with the imaging plate so as to cause a readout light to be emitted from the imaging plate and transmitted down the optical fiber, wherein the readout light has a second wavelength, the second wavelength being different from the first wavelength. - View Dependent Claims (17, 18)
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Specification