Conformable physiological sensor
First Claim
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1. A sensor for measuring physiological characteristics, comprising:
- a circuit assembly mounted on a flexible planar substrate that includes a plurality of optical components, said flexible planar substrate having a patient surface configured to be directed toward a patient and a top surface configured to be directed away from the patient when the sensor is affixed to the patient;
at least one material layer proximate to said flexible planar substrate; and
an adhesive layer on the patient side of said flexible planar substrate and configured to adhere the sensor to a surface of the patient;
wherein an entire perimeter of said adhesive layer extends beyond a perimeter of said flexible planar substrate and a perimeter of said material layer of the sensor having the largest perimeter, such that the perimeter of the adhesive layer defines the overall shape and size of the sensor,wherein said optical components are mounted in and pass through orifices that extend through said flexible planar substrate and a center longitudinal axis of each said optical component is aligned with and coincides with a center horizontal plane of said flexible planar substrate.
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Abstract
A sensor for measuring physiological characteristics includes a circuit assembly, at least one material layer, and an adhesive layer that extends beyond an outer edge of the circuit assembly. The at least one material layer forms an adhesive edge around the perimeter of the sensor.
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Citations
19 Claims
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1. A sensor for measuring physiological characteristics, comprising:
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a circuit assembly mounted on a flexible planar substrate that includes a plurality of optical components, said flexible planar substrate having a patient surface configured to be directed toward a patient and a top surface configured to be directed away from the patient when the sensor is affixed to the patient; at least one material layer proximate to said flexible planar substrate; and an adhesive layer on the patient side of said flexible planar substrate and configured to adhere the sensor to a surface of the patient; wherein an entire perimeter of said adhesive layer extends beyond a perimeter of said flexible planar substrate and a perimeter of said material layer of the sensor having the largest perimeter, such that the perimeter of the adhesive layer defines the overall shape and size of the sensor, wherein said optical components are mounted in and pass through orifices that extend through said flexible planar substrate and a center longitudinal axis of each said optical component is aligned with and coincides with a center horizontal plane of said flexible planar substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A sensor, comprising:
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a circuit assembly mounted on a flexible planar substrate that includes a plurality of optical components, said flexible planar substrate having a patient surface configured to be directed toward a patient and a top surface configured to be directed away from the patient when the sensor is affixed to the patient; at least two material layers, wherein said flexible planar substrate is disposed between said two material layers; and wherein said optical components are mounted in and pass through orifices that extend through said flexible planar substrate; wherein a center of the optical components is axially aligned with the plane defined by the flexible planar substrate. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A sensor, comprising:
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a circuit assembly mounted on a flexible planar substrate that includes at least a light source and a light detector, said flexible planar substrate having a patient surface configured to be directed toward a patient and a top surface configured to be directed away from the patient when the sensor is affixed to the patient; at least two material layers, wherein said flexible planar substrate is disposed between said two material layers; an adhesive layer on the patient side of said flexible planar substrate, wherein an entire perimeter of said adhesive layer extends beyond a perimeter of said flexible planar substrate and a perimeter of said material layers of the sensor having the largest perimeter, such that the perimeter of the adhesive layer defines the overall shape and size of the sensor; and wherein said light source and said light detector are mounted in orifices in said flexible planar substrate such that said light source and said light detector extend through said flexible planar substrate; wherein a center longitudinal axis of each said light source and light detector is aligned with and coincides with a center horizontal plane of said flexible planar substrate. - View Dependent Claims (18, 19)
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Specification