Operating microscope providing an image of an obscured object
SD Fantone, RA Pearlstein - US Patent 4,786,155, 1988 - Google Patents
An improved microscope features real time generation of combined visible and converted
images. The con verted image is of an object which is obscured by a layer of material which
is opaque to visible light, but which is substantially transparent to non-visible pene trating
radiation. In an operating microscope applica tion, the invisible penetrating radiation may be
radiation of wavelength greater than 620 nm, to which blood is transparent. The converted
visible image made using the re? ected penetrating radiation will show tissues underlying a …
images. The con verted image is of an object which is obscured by a layer of material which
is opaque to visible light, but which is substantially transparent to non-visible pene trating
radiation. In an operating microscope applica tion, the invisible penetrating radiation may be
radiation of wavelength greater than 620 nm, to which blood is transparent. The converted
visible image made using the re? ected penetrating radiation will show tissues underlying a …
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