Method and device for incremental wavelength variation to analyze tissue
First Claim
1. A miniaturized imaging device disposed on a distal end of a catheter, comprising:
- at least one imaging array disposed on a distal end of the catheter;
a lens system disposed on the at least one imaging array;
a light source disposed on a distal end of the catheter adapted to propagate a starting monochromatic wavelength of light onto a target and incrementally adjust the starting monochromatic wavelength of light over different time intervals to a different monochromatic wavelength of light, wherein (i) the light source is adapted to incrementally adjust the wavelength of light only until an optimum wavelength of light is detected when the catheter is stationary, and (ii) the light source is adapted to continually incrementally adjust the wavelength of light when the catheter is non-stationary; and
a processor coupled to the imaging array configured to generate an image from the plurality of different monochromatic wavelengths of light reflected from thetarget and further configured to determine an optimal monochromatic wavelength of light to optimize image focus based on the light reflected from the target.
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Accused Products
Abstract
A method of imaging a target using a miniaturized imaging device is disclosed comprising providing a miniaturized imaging device having a stationary lens system and an imaging array, wherein the distance from a distal end of the stationary lens system to the imaging array is fixed. The miniaturized imaging device is advanced near the desired target and a distance from a distal end of the stationary lens system to the desired target is determined. A desired wavelength of light is calculated based on the determined distance from the distal end of the stationary lens system to the desired target and the desired wavelength of light is propagated onto the target.
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Citations
20 Claims
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1. A miniaturized imaging device disposed on a distal end of a catheter, comprising:
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at least one imaging array disposed on a distal end of the catheter; a lens system disposed on the at least one imaging array; a light source disposed on a distal end of the catheter adapted to propagate a starting monochromatic wavelength of light onto a target and incrementally adjust the starting monochromatic wavelength of light over different time intervals to a different monochromatic wavelength of light, wherein (i) the light source is adapted to incrementally adjust the wavelength of light only until an optimum wavelength of light is detected when the catheter is stationary, and (ii) the light source is adapted to continually incrementally adjust the wavelength of light when the catheter is non-stationary; and a processor coupled to the imaging array configured to generate an image from the plurality of different monochromatic wavelengths of light reflected from the target and further configured to determine an optimal monochromatic wavelength of light to optimize image focus based on the light reflected from the target. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A miniaturized imaging device disposed on a distal end of a catheter, comprising:
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at least one imaging array disposed on a distal end of the catheter; a plurality of lens systems disposed on the at least one imaging array; a light source disposed on a distal end of the catheter adapted to propagate a starting wavelength of light onto a target and incrementally adjust the starting wavelength of light over different time intervals to a different wavelength of light; a system capable of measuring the distance from a distal end of the lens system to the target; a processor coupled to the imaging array configured to generate a plurality of images from the plurality of different monochromatic wavelengths of light reflected from the target, said plurality of images comprising images that are in focus and out of focus, said processor further configured to determine an optimal wavelength of light to optimize image focus based on the light reflected from the target and to determine image focus; and a display system coupled to the processor configured to display only those images comprising wavelengths of light determined to comprise the optimal monochromatic wavelength of light to optimize image focus. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A miniaturized imaging device disposed on a distal end of a catheter, comprising:
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at least one imaging array disposed on a distal end of the catheter; a stationary GRIN lens system disposed in direct contact with the at least one imaging array; a light source disposed on a distal end of the catheter adapted to propagate a starting monochromatic wavelength of light onto a target and incrementally adjust the starting monochromatic wavelength of light over different time intervals to a different monochromatic wavelength of light; a processor coupled to the imaging array configured to generate a plurality of images from the plurality of different monochromatic wavelengths of light reflected from the target, said plurality of images comprising images that are in focus and out of focus, said processor further configured to determine an optimal monochromatic wavelength of light to optimize image focus based on the light reflected from the target and to determine image focus; and a display system coupled to the processor configured to display only those images comprising wavelengths of light determined to comprise the optimal monochromatic wavelength of light to optimize image focus. - View Dependent Claims (17, 18, 19, 20)
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Specification