DEVICE AND METHOD FOR UNIFORM IN VIVO ILLUMINATION
First Claim
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1. A device for in vivo imaging comprising:
- an image sensor;
a viewing window;
an illumination unit;
a lens holder; and
a light guide, to guide light from the illumination unit to a desired position within said device, wherein said light guide is to create uniformly dispersed illumination, and wherein said position is to eliminate backscatter from the viewing window.
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Abstract
An in vivo imaging device comprises a viewing window, an illumination unit, a lens holder and a light guide. The light guide may be positioned to create uniformly dispersed illumination and to eliminate backscatter from the viewing window. The light guide may guide light from the illumination unit to a desired position within the in vivo device. In one embodiment, the light guide may be embedded into the lens holder.
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Citations
15 Claims
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1. A device for in vivo imaging comprising:
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an image sensor; a viewing window; an illumination unit; a lens holder; and a light guide, to guide light from the illumination unit to a desired position within said device, wherein said light guide is to create uniformly dispersed illumination, and wherein said position is to eliminate backscatter from the viewing window. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for manufacture of an in vivo imaging capsule, the method comprising the steps of:
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installing a substrate and a light source behind a viewing window; installing on the substrate a lens holder comprising a light guide, said light guide to direct illumination from said light source to a focal curve of the viewing window, thereby creating a consistent field of illumination; and encapsulating the substrate in a housing of the in vivo imaging capsule. - View Dependent Claims (11, 12, 13, 14)
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15. A method for in vivo imaging, the method comprising:
guiding illumination from a light source within an imaging capsule to a position within the imaging capsule from which the light is substantially uniformly dispersed and backscatter is substantially eliminated.
Specification