Optical sensor
First Claim
Patent Images
1. An optical sensor for a blood constituent of interest consisting essentially of:
- a gas permeable, crosslinked silicone polymeric matrix having therein at least one optical indicator consisting essentially of a mixture of derivatives of a polynuclear aromatic compound, each of said derivatives providing a portion of an optical signal in response to excitation light when in the presence of a blood constituent of interest.
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Accused Products
Abstract
An optical sensor which is a gas permeable silicone polymeric matrix having at least one optical indicator therein for providing an optical signal in response to excitation light. The optical indicator essentially comprises a mixture of non-polar derivatives of a polynuclear aromatic compound.
90 Citations
29 Claims
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1. An optical sensor for a blood constituent of interest consisting essentially of:
- a gas permeable, crosslinked silicone polymeric matrix having therein at least one optical indicator consisting essentially of a mixture of derivatives of a polynuclear aromatic compound, each of said derivatives providing a portion of an optical signal in response to excitation light when in the presence of a blood constituent of interest.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An optical sensor consisting essentially of:
a gas permeable, crosslinked dimethylsiloxane polymeric matrix having a mixture of t-butyl derivatives of decacyclene present therein. - View Dependent Claims (14, 15)
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16. An apparatus for measuring a blood constituent of interest consisting essentially of:
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an optical sensor consisting essentially of a gas permeable, crosslinked silicone matrix having therein at least one optical indicator consisting essentially of a mixture of derivatives of a polynuclear aromatic compound, each of said derivatives providing a portion of an optical signal in response to excitation light when exposed to a blood constituent of interest, said matrix being permeable to such a blood constituent of interest; means for holding the optical sensor so that it can be exposed to blood; and optical fiber means for delivering excitation light to the optical sensor so that the optical sensor can provide an optical signal indicative of a characteristic of a constituent of interest and of transmitting such an optical signal from the optical sensor. - View Dependent Claims (17, 18, 19)
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20. An optical sensor for a blood constituent of interest consisting essentially of:
a gas permeable, crosslinked silicone polymeric matrix having at least one optical indicator therein for providing an optical signal in response to excitation light when in the presence of a blood constituent of interest, said at least one optical indicator consisting essentially of a mixture of derivatives of a polynuclear aromatic compound selected from the group consisting of decacyclene, benzo-ghi-perylene and coronene. - View Dependent Claims (21, 22, 23, 24, 25)
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26. An optical sensor consisting essentially of a gas permeable, crosslinked dimethylsiloxane polymeric matrix having an optical indicator consisting essentially of a mixture of derivatives of a polynuclear aromatic compound selected from the group consisting of decacyclene, benzo-ghi-perylene and coronene dispersed therein, said optical indicator being present in an amount of at least about 1.2 mg of said indicator per gram of said dimethylsiloxane polymerix matrix.
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27. An apparatus for measuring a blood constituent of interest consisting essentially of:
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an optical sensor consisting essentially of a gas permeable, crosslinked silicone matrix having at least one optical indicator therein for providing an optical signal in response to excitation light when exposed to a blood constituent of interest, said at least one optical indicator consisting essentially of a mixture of derivatives of a polynuclear aromatic compound selected from the group consisting of decacyclene, benzo-ghi-perylene and coronene, said matrix being permeable to such a blood constituent of interest; means for holding the optical sensor so that it can be exposed to blood; and optical fiber means for delivering excitation light to the optical sensor so that the optical sensor can provide an optical sensor indicative of a characteristic of a constituent of interest and for transmitting such an optical signal from the optical sensor. - View Dependent Claims (28, 29)
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Specification