Manual and automatic probe calibration
First Claim
1. A single wire physiological sensor identification system comprising:
- a physiological sensor which senses one or more physiological characteristics; and
a single wire identification device which communicates identification information about the sensor;
wherein the single wire identification device comprises one of a Dallas Semiconductor 1990 and a Dallas Semiconductor 2401.
3 Assignments
0 Petitions
Accused Products
Abstract
Embodiments of the present disclosure include an optical probe capable of communicating identification information to a patient monitor in addition to signals indicative of intensities of light after attenuation by body tissue. The identification information may indicate operating wavelengths of light sources, indicate a type of probe, such as, for example, that the probe is an adult probe, a pediatric probe, a neonatal probe, a disposable probe, a reusable probe, or the like. The information could also be utilized for security purposes, such as, for example, to ensure that the probe is configured properly for the oximeter, to indicate that the probe is from an authorized supplier, or the like. In one preferred embodiment, coding resistors could be provided across the light sources to allow additional information about the probe to be coded without added leads. However, any device could be used without it being used in parallel.
114 Citations
25 Claims
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1. A single wire physiological sensor identification system comprising:
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a physiological sensor which senses one or more physiological characteristics; and
a single wire identification device which communicates identification information about the sensor;
wherein the single wire identification device comprises one of a Dallas Semiconductor 1990 and a Dallas Semiconductor 2401. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A noninvasive optical sensor which outputs one or more signals indicative of one or more physiological characteristics comprising:
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at least one light emitting source which emits light of two or more wavelengths;
a photodetector which detects the emitted light after the light has been attenuated by a tissue sample, wherein the photodetector also communicates an indication of the detected light to a patient monitor; and
an identification device which communicates with a patient monitor. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A method of communicating information including information indicative of a physiological parameter between a sensor and a patient monitor comprising:
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outputting one or more drive signals from a patient monitor to an optical sensor;
receiving at the patient monitor information indicative of a physiological characteristic from the optical sensor;
sending an identification request from the patient monitor to the optical sensor; and
receiving information indicative of an identification of the sensor at the patient monitor. - View Dependent Claims (20, 21, 22, 23, 24)
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25. A noninvasive optical sensor which outputs one or more signals indicative of one or more physiological characteristics comprising:
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at least one light emitting source which emits light of two or more wavelengths;
a photodetector which detects the emitted light after the light has been attenuated by a tissue sample and which communicates an indication of the detected light; and
means for communication identification information to a patient monitor.
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Specification