HERMETICALLY SEALED ENDOSCOPE WITH OPTICAL COMPONENT ATTACHED TO INNER PROTECTIVE WINDOW
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Abstract
In one embodiment, an endoscopic camera for a robotic surgical system includes a stereo camera module mounted to a robotic arm of a patient side cart. The optical and electro-optic components of the camera module are hermetically sealed within a first housing. Signals from an electro-optic component travel through traces in a ceramic substrate forming one side of the hermetically sealed first housing. A second housing surrounds the first housing and optical fibers are dispersed between the housings to provide lighting in a body cavity. The camera module may be sterilized by an autoclave.
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Citations
51 Claims
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1-31. -31. (canceled)
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32. An endoscope comprising:
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a housing; an image sensor sensitive to a set of wavelengths of electromagnetic radiation; an inner protective window over the image sensor, and a first optical component including a first lens; wherein the first optical component is positioned at least partially within the housing, wherein the inner protective window is positioned between the image sensor and the first optical component, and wherein the first optical component is attached to the inner protective window. - View Dependent Claims (33, 34, 35, 36)
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37. A stereo endoscope camera module comprising:
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an inner subassembly including an inner rectangular stainless steel housing having an open bottom and a front side opening; a window hermetically sealed into the front side opening; a substrate hermetically sealed to the inner rectangular stainless steel housing to close the open bottom, the substrate including metal traces; a stereo image sensor mounted to the substrate behind the window within the inner rectangular stainless steel housing, the stereo image sensor having a pair of image sensors with optical axes to generate left and right images; a pair of lens barrels mounted to the substrate, the pair of lens barrels each having an objective lens with an optical axis through the window; a mirrored prism mounted to the substrate, the prism having a first face and a second face perpendicular to the first face, the optical axes of the pair of lens barrels aligned into the first face, wherein the mirrored prism redirects light at a right angle from the optical axes of the pair of lens barrels and onto the pair of sensors of the stereo image sensor parallel to the optical axis of the pair of image sensors; an array of optical fibers around the inner subassembly; and
.an outer rectangular housing around the array of optical fibers and the inner subassembly, the outer rectangular housing having a front side opening to receive the front side opening of the inner rectangular stainless steel housing. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51)
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Specification