Arm mountable portable patient monitor

  • US 9,872,623 B2
  • Filed: 04/24/2017
  • Issued: 01/23/2018
  • Est. Priority Date: 03/25/2002
  • Status: Active Grant
First Claim
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1. An arm mountable portable patient monitoring device configured for both on-patient monitoring of parameter measurements using one or more sensors operatively connected to the portable patient monitoring device and wireless transmission of parameter measurements, the portable patient monitoring device comprising:

  • a pulse oximetry sensor configured to be wrapped around 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;

    a light detector configured output a signal responsive to at least a portion of the emitted light after attenuation by tissue of the tissue site; and

    a tail configured to electrically convey the signal;

    a housing configured for, and having a size and shape configured for, mounting to a lower arm of the patient, the housing including at least;

    a display positioned on a front side of the housing that is opposite a back side of the housing, the display configured to show a status of the portable patient monitoring device and one or more parameter measurements so as to be viewable by a user;

    a first sensor port positioned on a first side of the housing, the first side of the housing configured to face toward a hand having the digit of the patient under measurement, the first sensor port configured to physically couple to the tail of the pulse oximetry sensor and to electrically receive the signal from the pulse oximetry sensor, wherein the first sensor port is positioned on the first side of the housing such that, when the tail is physically coupled to the first sensor port, the tail extends from the first sensor port along an axis perpendicular to a face of the first side of the housing on which the first sensor port is positioned;

    a second sensor port configured to receive information from an EKG sensor arrangement via a wired connection;

    a third sensor port configured to receive information from a blood pressure sensor arrangement via a wired connection;

    a rechargeable battery configured to power the portable patient monitoring device including the pulse oximetry sensor;

    one or more signal processing arrangements configured to;

    receive the signal from the pulse oximetry sensor;

    derive, based on the signal, measurements of oxygen saturation and pulse rate; and

    cause to be displayed, on the display, the measurements of oxygen saturation and pulse rate; and

    a transmitter configured to;

    wirelessly transmit a transmit signal indicative of the measurements of oxygen saturation and pulse rate to a separate computing device configured to display the measurements of oxygen saturation and pulse rate; and

    a strap mountable to the back side of the housing, the strap configured to secure the housing to the lower arm of the patient.

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