Digit gauge for noninvasive optical sensor
First Claim
Patent Images
1. A noninvasive oximetry sensor, comprising:
- a light source configured to emit light;
a detector configured to output a signal indicative of light attenuated by a digit of a patient; and
a finger gauge configured to determine proper sizing for said sensor, the gauge including;
a tab including an opening sized to determine whether a cross-section of said patient'"'"'s digit is appropriate for said noninvasive sensor, wherein when a periphery of said cross-section is larger than an inner edge of said opening, said tab indicates that said digit is too large for said noninvasive sensor, said sensor configured to output a signal indicative of light attenuated by said digit, andan association portion mechanically associating the tab with the sensor.
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Abstract
Embodiments of the present disclosure include a digit gauge used to ensure the size of a patient'"'"'s digit is appropriate for the medical sensor applied thereto.
724 Citations
17 Claims
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1. A noninvasive oximetry sensor, comprising:
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a light source configured to emit light; a detector configured to output a signal indicative of light attenuated by a digit of a patient; and a finger gauge configured to determine proper sizing for said sensor, the gauge including; a tab including an opening sized to determine whether a cross-section of said patient'"'"'s digit is appropriate for said noninvasive sensor, wherein when a periphery of said cross-section is larger than an inner edge of said opening, said tab indicates that said digit is too large for said noninvasive sensor, said sensor configured to output a signal indicative of light attenuated by said digit, and an association portion mechanically associating the tab with the sensor. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of determining whether a noninvasive optical sensor is sized to match a plurality of patients'"'"' body tissue, the sensor being configured to output a signal indicative of light attenuated by body tissues of said monitored patient, the method comprising:
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sliding a finger gauge onto a first patient'"'"'s finger, said finger gauge being mechanically associated with a cable of said sensor without being a portion of a housing of said sensor; determining whether to use said sensor on said first patient'"'"'s finger depending upon the fit of the gauge to said first patient'"'"'s finger, wherein a poor fit indicates said sensor should not be used; sliding said finger gauge onto a second patient'"'"'s finger; and determining whether to use said sensor on said second patient'"'"'s finger depending upon the fit of the gauge to said second patient'"'"'s finger, wherein a poor fit indicates said sensor should not be used. - View Dependent Claims (8, 9, 10, 11)
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12. A method of providing a noninvasive optical sensor with a finger sizing mechanism, the method comprising:
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acquiring said optical sensor, said sensor including a light source and a detector configured to output a signal indicative of an attenuation of light by a finger of a monitored patient; and mechanically associating a finger gauge with said optical sensor, said finger gauge having a fixed diameter and configured to determine whether said sensor is an appropriate size for said finger, wherein said sensor is configured to accommodate those finger sizes that meet said finger gauge. - View Dependent Claims (13, 14, 15, 16, 17)
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Specification