OPTICALLY ALIGNED PULSE OXIMETRY SENSOR AND TECHNIQUE FOR USING THE SAME
First Claim
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1. A sensor assembly, comprising:
- a frame comprising one or more pair of flexible elements disposed substantially symmetric relative to an optical axis;
at least two optical components disposed on the frame along the optical axis, wherein the at least two optical components are configured to move along the optical axis without changing orientation relative to one another.
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Abstract
A physiological sensor is provided that includes an emitter and detector disposed on a frame such that the emitter and detector define an optical axis. The frame includes one or more pair of flexible elements disposed generally symmetric relative to the optical axis. In one embodiment, the emitter and detector remain aligned when moved relative to one another along the optical axis.
101 Citations
20 Claims
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1. A sensor assembly, comprising:
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a frame comprising one or more pair of flexible elements disposed substantially symmetric relative to an optical axis; at least two optical components disposed on the frame along the optical axis, wherein the at least two optical components are configured to move along the optical axis without changing orientation relative to one another. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A sensor assembly, comprising:
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a single-piece frame comprising an emitter housing and a detector housing which define an optical axis, wherein the emitter housing and the detector housing are arranged to move relative to one another while maintain a substantially constant orientation to one another; an emitter adapted to emit two or more wavelengths of light; and a detector adapted to detect the light emitted from the emitter. - View Dependent Claims (9, 10, 11)
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12. A system, comprising:
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a monitor; and a sensor configured to transmit signals to and from the monitor, the sensor comprising; at least two optical components defining an optical axis; and one or more pair of flexible elements disposed substantially symmetric relative to the optical axis, wherein the one or more pair of flexible elements enable the at least two optical components to move along the optical axis without altering an orientation of the at least two optical component housings relative to one another. - View Dependent Claims (13, 14, 15)
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16. A system, comprising:
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a monitor; and a sensor adapted to transmit signals to and from the monitor, the sensor comprising; a single-piece frame comprising an emitter housing and a detector housing which define an optical axis, wherein the emitter housing and the detector housing are configured to move relative to one another while remaining aligned along the optical axis; an emitter disposed within the emitter housing and adapted to emit two or more wavelengths of light; and a photodetector disposed within the detector housing an adapted to detect light from the emitter. - View Dependent Claims (17, 18, 19, 20)
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Specification