Implantable optical sensor and method for manufacture
First Claim
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1. An implantable medical device, comprising:
- a housing having an inner surface and an outer surface;
a window formed in the housing extending between the housing inner surface and the housing outer surface;
an optical lens mounted in the window to maintain hermeticity of the device;
an opto-electronic device enclosed within the housing and having a photonic surface operatively positioned proximate the window for one of emitting light through the window and detecting light through the window, the housing and the lens enclosing an interior space between the lens and the opto-electronic device; and
a first optical coupling member filling the interior space between the opto-electronic device and the lens to reduce light reflection at a surface within the implantable medical device.
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Abstract
An implantable optical sensor and associated manufacturing method include a sensor housing having an inner surface and an outer surface and a window formed in the housing extending between the housing inner surface and the housing outer surface. An opto-electronic device enclosed within the housing and having a photonic surface is operatively positioned proximate the window for emitting light through the window or detecting light through the window. An optical coupling member is positioned between the opto-electronic device and the window for reducing light reflection at a surface within the implantable optical sensor.
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Citations
39 Claims
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1. An implantable medical device, comprising:
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a housing having an inner surface and an outer surface; a window formed in the housing extending between the housing inner surface and the housing outer surface; an optical lens mounted in the window to maintain hermeticity of the device; an opto-electronic device enclosed within the housing and having a photonic surface operatively positioned proximate the window for one of emitting light through the window and detecting light through the window, the housing and the lens enclosing an interior space between the lens and the opto-electronic device; and a first optical coupling member filling the interior space between the opto-electronic device and the lens to reduce light reflection at a surface within the implantable medical device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. An implantable medical device, comprising:
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a housing; a light emitting portion comprising a first window formed in the housing, a first lens mounted in the window to maintain hermeticity of the housing, and a light emitting device operatively positioned within the housing for transmitting light through the first window, the housing and the first lens enclosing a first interior space between the first lens and the light emitting device; a light detecting portion comprising a second window formed in the housing, a second lens mounted in the window to maintain hermeticity of the housing, and a light detecting device operatively positioned within the housing for receiving light transmitted through the second window, the housing and the second lens enclosing a second interior space between the second lens and the light detecting device; and means filling at least one of the first interior space and the second interior space for reducing light reflection occurring at a surface within the at least one of the first interior space and the second interior space as compared to light reflection occurring at the surface when the surface is interfaced with air.
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21. A method for manufacturing an implantable optical sensor, comprising:
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enclosing an opto-electronic device within a housing having an inner surface and an outer surface, the opto-electronic device having a photonic surface and being positioned in operative relation to a window extending between the housing inner surface and the housing outer surface, the opto-electronic device configured for one of emitting light and detecting light through the window; mounting an optical lens in the window to maintain hermeticity of the housing; and positioning a first optical coupling member between the opto-electronic device and the window to fill an interior space enclosed by the housing and the lens to reduce light reflection at a surface within the implantable optical sensor. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
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Specification