Sensor with an optical coupling material to improve plethysmographic measurements and method of using the same
First Claim
Patent Images
1. A sensor comprising:
- a sensor body;
an emitter disposed on the sensor body;
a detector disposed on the sensor body; and
an optical coupling material disposed directly on at least one of the emitter or the detector, wherein the optical coupling material is configured to contact a patient'"'"'s tissue when the sensor is applied to a patient, wherein the optical coupling material comprises one or more of a gel, oil, or liquid, and wherein an electrical lead and bond wires coupled to the emitter are in direct contact with the optical coupling material.
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Abstract
According to various embodiments, a medical sensor assembly may include an optical coupling material configured to prevent undesired light from being detected and to enhance the amount of light received at the detector. The optical coupling material may be a gel, liquid, oil, or other non-solid material with appropriate optical properties.
285 Citations
20 Claims
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1. A sensor comprising:
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a sensor body; an emitter disposed on the sensor body; a detector disposed on the sensor body; and an optical coupling material disposed directly on at least one of the emitter or the detector, wherein the optical coupling material is configured to contact a patient'"'"'s tissue when the sensor is applied to a patient, wherein the optical coupling material comprises one or more of a gel, oil, or liquid, and wherein an electrical lead and bond wires coupled to the emitter are in direct contact with the optical coupling material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A pulse oximetry system comprising:
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a pulse oximetry monitor; and a sensor assembly configured to be operatively coupled to the monitor, the sensor assembly comprising; an emitter and a detector disposed on a sensor body; an electrical lead and bond wires coupled to an emitter; an optical coupling material disposed directly on at least one of the emitter, the detector, or the substrate, wherein the optical coupling material is configured to contact a patient'"'"'s tissue when the sensor is applied to the patient, wherein the optical coupling material comprises one or more of a gel, oil, or liquid, and wherein the electrical lead and bond wires are in direct contact with the optical coupling material. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A method of manufacturing a sensor comprising:
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providing a sensor body; providing an emitter disposed on the sensor body; providing a detector disposed on the sensor body; and providing an optical coupling material disposed directly on at least one of the emitter or the detector, wherein the optical coupling material is configured to contact a patient'"'"'s tissue when the sensor is applied to a patient, wherein the optical coupling material comprises one or more of a gel, oil, or liquid, and wherein an electrical lead and bond wires coupled to the emitter are in direct contact with the optical coupling material. - View Dependent Claims (18, 19, 20)
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Specification