A pulse oximeter may reduce power consumption in the absence of overriding conditions. Various sampling mechanisms may be used individually or in combination. Various parameters may be monitored to trigger or override a reduced power consumption state. In this manner, a pulse oximeter can lower power consumption without sacrificing performance during, for example, high noise conditions or oxygen desaturations.

Low power pulse oximeter

A sensor interface is configured to receive a sensor signal. A transmitter generates a transmit signal. A receiver receives the signal corresponding to the transmit signal. Further, a monitor interface is configured to communicate a waveform to the monitor so that measurements derived by the monitor from the waveform are generally equivalent to measurements derivable from the sensor signal.

Physiological measurement communications adapter

Medical patient monitoring devices that have the capability of detecting the physical proximity of a clinician are disclosed. The medical patient monitoring devices may be configured to perform a selected action when the presence of a clinician is detected. Systems and methods for facilitating communication between medical devices that use different medical communication protocol formats are also disclosed. For example, a medical communication protocol translator can be configured to receive an input message formatted according to a first protocol format from a first medical device and to output an output message formatted according to a second protocol format supported by a second medical device using a set of translation rules. Medical monitoring reporting systems are also disclosed. The medical monitoring reporting systems may be used to analyze a stored collection of physiological parameter data to simulate the effect of changing various medical monitoring options.

Medical monitoring system

A system and method of standardizing modular probe housings so that the standardized probe housings may be incorporated into probes adapted to work with at least one of a multiplicity of manufacturers' oximeters. The probe housings are adapted to matingly engage at least a disposable bandage apparatus and a reusable finger attachment device.A pulse oximeter system comprises a finger attachment device having first and second probe couplers, the first and second probe couplers are configured to be matingly engageable with probe housings of a pulse oximeter probe.

Universal modular pulse oximeter probe for use with reusable and disposable patient attachment devices

The disclosure includes pulse oximetry systems and methods for determining point-by-point saturation values by encoding photoplethysmographs in the complex domain and processing the complex signals. The systems filter motion artifacts and other noise using a variety of techniques, including statistical analysis such as correlation, or phase filtering.

Systems and methods for determining blood oxygen saturation values using complex number encoding

Patient monitoring sensor

A noninvasive physiological sensor for measuring one or more physiological parameters of a medical patient can include a bump interposed between a light source and a photodetector. The bump can be placed in contact with body tissue of a patient and thereby reduce a thickness of the body tissue. As a result, an optical pathlength between the light source and the photodetector can be reduced. In addition, the sensor can include a heat sink that can direct heat away from the light source. Moreover, the sensor can include shielding in the optical path between the light source and the photodetector. The shielding can reduce noise received by the photodetector.

Heat sink for noninvasive medical sensor

A noninvasive physiological sensor for measuring one or more physiological parameters of a medical patient can include a bump interposed between a light source and a photodetector The bump can be placed in contact with body tissue of a patient and thereby reduce a thickness of the body tissue As a result, an optical pathlength between the light source and the photodetector can be reduced In addition, the sensor can include a heat sink that can direct heat away from the light source Moreover, the sensor can include shielding in the optical path between the light source and the photodetector The shielding can reduce noise received by the photodetector

Contoured protrusion for improving spectroscopic measurement of blood constituents

A respiratory monitoring system can include an acoustic respiratory sensor that obtains acoustic information from a patient and one or more processors in communication with the acoustic respiratory sensor Such processors can receive a respiratory rate value derived from the acoustic information This respiratory rate value can reflect an averaged set of respiratory rate values over a period of time The one or more processors can also receive an indication of a respiratory abnormality that occurred during the same time period Further, the one or more processors can output the averaged respiratory rate value together with a respiratory event indicator reflecting the respiratory abnormality

Respiratory event alert system

A blood analysis system functions as a non-invasive blood parameter analyzer when a monitor is coupled with an optical sensor and as an invasive blood sample analyzer when the monitor is coupled with a blood analysis adapter. The blood analysis adapter has a transmitting assembly and a receiving assembly in electrical communications with the adapter connector so as to receive emitter signals for driving emitters within the transmitting assembly and so as to transmit a detector signal for responding to at least one detector in the receiving assembly. A cuvette containing a blood sample is irradiated with multiple wavelength light from the emitters, the detector responds to the multiple wavelength light after attenuation by the blood sample, and the monitor analyzes the blood sample according to the detector signal.

Blood analysis system

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