Medical sensor for use with headband
First Claim
1. A spectrophotometric medical sensor, comprising:
- a first padding layer;
a second padding layer secured to the first padding layer and comprising an emitter well and a detector well;
an emitter positioned within the emitter well and configured to transmit one or more wavelengths of light toward a patient'"'"'s tissue;
a detector positioned within the detector well and configured to receive the one or more wavelengths of light transmitted by the emitter to measure a physiological parameter of the patient; and
an island padding layer secured to a patient-facing side of the second padding layer such that the island padding layer is the closest padding layer to the patient'"'"'s tissue when the sensor is placed on the patient to measure the physiological parameter, the island padding layer comprising an emitter opening and a detector opening, wherein the emitter and detector openings are distinct from one another and are configured to enable light transmission from and to the emitter and the detector, respectively, and the second padding layer defines a periphery that is larger than the island padding layer.
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Accused Products
Abstract
Medical sensors configured to provide enhanced patient comfort when worn over a period of time are provided. The medical sensors may include a first padding layer and a second padding layer disposed on either side of an emitter and a detector for measuring a physiological parameter of a patient. The medical sensors may also include an island padding layer secured to a patient-facing side of the second padding layer for reducing localized pressure points that may be caused by protrusions of the sensor. Additionally or alternatively, certain edges of the sensors may be rounded and/or stepped to reduce marking on the patient'"'"'s tissue and to reduce strain and shear forces produced on the patient'"'"'s tissue. Still further, certain embodiments provide enhanced light transmission between the emitter and detector of the sensors.
114 Citations
30 Claims
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1. A spectrophotometric medical sensor, comprising:
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a first padding layer; a second padding layer secured to the first padding layer and comprising an emitter well and a detector well; an emitter positioned within the emitter well and configured to transmit one or more wavelengths of light toward a patient'"'"'s tissue; a detector positioned within the detector well and configured to receive the one or more wavelengths of light transmitted by the emitter to measure a physiological parameter of the patient; and an island padding layer secured to a patient-facing side of the second padding layer such that the island padding layer is the closest padding layer to the patient'"'"'s tissue when the sensor is placed on the patient to measure the physiological parameter, the island padding layer comprising an emitter opening and a detector opening, wherein the emitter and detector openings are distinct from one another and are configured to enable light transmission from and to the emitter and the detector, respectively, and the second padding layer defines a periphery that is larger than the island padding layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A medical sensor, comprising:
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a first padding layer; a second padding layer secured to the first padding layer and comprising an emitter opening and a detector opening, wherein the second padding layer defines a periphery that is greater than the first padding layer in an area of the sensor that contacts a patient'"'"'s tissue; an emitter positioned within the emitter opening and configured to transmit one or more wavelengths of light toward the patient'"'"'s tissue; and a detector positioned within the detector opening and configured to receive the one or more wavelengths of light transmitted by the emitter to measure a physiological parameter of the patient; and wherein the second padding layer is positioned between a patient-contacting surface of the medical sensor and the first padding layer, and an outer edge of the periphery of the second padding layer is configured to curve in a direction generally away from the patient as the medical sensor is compressed against the patient'"'"'s tissue. - View Dependent Claims (17, 18, 19, 20)
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21. A patient monitoring system, comprising:
a medical sensor, comprising; a first padding layer; a second padding layer secured to the first padding layer and comprising an emitter well and a detector well; an emitter positioned within the emitter well and configured to transmit one or more wavelengths of light toward a patient'"'"'s tissue; an emitter lens disposed over the emitter and comprising an emitter lens surface adapted to face the patient'"'"'s tissue upon placement of the medical sensor on the patient; a detector positioned within the detector well and configured to receive the one or more wavelengths of light transmitted by the emitter to measure a physiological parameter of the patient; a detector lens disposed over the detector and comprising a detector lens surface adapted to face the patient'"'"'s tissue upon placement of the medical sensor on the patient; and an island padding layer secured to the second padding layer and comprising a second emitter opening and a second detector opening, wherein the second emitter and detector openings are distinct from one another and are configured to enable light transmission from and to the emitter and the detector, respectively, and wherein the island padding layer defines a periphery that is smaller than the second padding layer. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
Specification