Physiological measurement device
First Claim
Patent Images
1. A pulse oximetry system comprising:
- a portable patient monitoring device comprising;
a pulse oximetry sensor configured to be attached to a digit of a patient, the pulse oximetry sensor including at least;
a light emitter configured to emit light into a tissue site of the digit of the patient; and
a light detector configured to output a sensor signal responsive to at least a portion of the emitted light after attenuation by tissue of the tissue site;
a housing configured to be secured to a lower arm of the patient, wherein the housing comprises;
a top surface;
a bottom surface opposite the top surface; and
a side surface that forms at least a partial perimeter of the housing and joins the top surface and the bottom surface;
a strap mountable to the housing, the strap configured to secure the housing to the lower arm of the patient such that the bottom surface of the housing is flush with the lower arm of the patient;
a cable extending from the pulse oximetry sensor and configured to electrically convey the sensor signal, wherein;
the cable connects with the housing at a position on the side surface of the housing,the side surface of the housing runs perpendicular to the long axis of the lower arm of the patient when the housing is secured to the lower arm of the patient,the position is located at a mid-section of a width of the housing, andthe cable is configured to extend from the side surface of the housing along a path perpendicular to the side surface of the housing;
one or more signal processors configured to;
cause activation of the light emitter to emit light;
receive the sensor signal from the light detector;
determine, based at least in part on the sensor signal, measurements of physiological parameters including at least oxygen saturation and pulse rate; and
generate a transmit signal including information indicative of the measurements of the physiological parameters;
a signal transmitter configured to wirelessly transmit the transmit signal to a receiver computing system; and
a battery configured to power the portable patient monitoring device including at least the one or more signal processors and the signal transmitter; and
the receiver computing system configured to;
receive, by a signal receiver of the receiver computing system, the transmit signal from the portable patient monitoring device; and
cause display, on a display of the receiver computing system, of the measurements of the physiological parameters of the patient.
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Abstract
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.
1747 Citations
28 Claims
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1. A pulse oximetry system comprising:
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a portable patient monitoring device comprising; a pulse oximetry sensor configured to be attached to a digit of a patient, the pulse oximetry sensor including at least; a light emitter configured to emit light into a tissue site of the digit of the patient; and a light detector configured to output a sensor signal responsive to at least a portion of the emitted light after attenuation by tissue of the tissue site; a housing configured to be secured to a lower arm of the patient, wherein the housing comprises; a top surface; a bottom surface opposite the top surface; and a side surface that forms at least a partial perimeter of the housing and joins the top surface and the bottom surface; a strap mountable to the housing, the strap configured to secure the housing to the lower arm of the patient such that the bottom surface of the housing is flush with the lower arm of the patient; a cable extending from the pulse oximetry sensor and configured to electrically convey the sensor signal, wherein; the cable connects with the housing at a position on the side surface of the housing, the side surface of the housing runs perpendicular to the long axis of the lower arm of the patient when the housing is secured to the lower arm of the patient, the position is located at a mid-section of a width of the housing, and the cable is configured to extend from the side surface of the housing along a path perpendicular to the side surface of the housing; one or more signal processors configured to; cause activation of the light emitter to emit light; receive the sensor signal from the light detector; determine, based at least in part on the sensor signal, measurements of physiological parameters including at least oxygen saturation and pulse rate; and generate a transmit signal including information indicative of the measurements of the physiological parameters; a signal transmitter configured to wirelessly transmit the transmit signal to a receiver computing system; and a battery configured to power the portable patient monitoring device including at least the one or more signal processors and the signal transmitter; and the receiver computing system configured to; receive, by a signal receiver of the receiver computing system, the transmit signal from the portable patient monitoring device; and cause display, on a display of the receiver computing system, of the measurements of the physiological parameters of the patient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A portable patient monitoring device comprising:
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a pulse oximetry sensor configured to be attached to a digit of a patient, the pulse oximetry sensor including at least; a light emitter configured to emit light into a tissue site of the digit of the patient; and a light detector configured to output a sensor signal responsive to at least a portion of the emitted light after attenuation by tissue of the tissue site; a housing configured to be secured to a lower arm of the patient, wherein the housing comprises; a top surface; a bottom surface opposite the top surface; and a side surface that forms at least a partial perimeter of the housing and joins the top surface and the bottom surface; a strap mountable to the housing, the strap configured to secure the housing to the lower arm of the patient such that the bottom surface of the housing is flush with the lower arm of the patient; a cable extending from the pulse oximetry sensor and configured to electrically convey the sensor signal, wherein; the cable connects with the housing at a position on the side surface of the housing, the side surface of the housing runs perpendicular to the long axis of the lower arm of the patient when the housing is secured to the lower arm of the patient, the position is located at a mid-section of a width of the housing, and the cable is configured to extend from the side surface of the housing along a path perpendicular to the side surface of the housing; one or more signal processors configured to; cause activation of the light emitter to emit light; receive the sensor signal from the light detector; determine, based at least in part on the sensor signal, measurements of physiological parameters including at least oxygen saturation and pulse rate; and generate a transmit signal including information indicative of the measurements of the physiological parameters; a signal transmitter configured to wirelessly transmit the transmit signal to a receiver computing system configured to cause display of the measurements of the physiological parameters including at least oxygen saturation and pulse rate on a display of the receiver computing system; and a battery configured to power the portable patient monitoring device including at least the one or more signal processors and the signal transmitter. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification