CA2444957A1 - Bidirectional communication between a sensor unit and a monitor unit in patient monitoring - Google Patents

Bidirectional communication between a sensor unit and a monitor unit in patient monitoring Download PDF

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Publication number
CA2444957A1
CA2444957A1 CA002444957A CA2444957A CA2444957A1 CA 2444957 A1 CA2444957 A1 CA 2444957A1 CA 002444957 A CA002444957 A CA 002444957A CA 2444957 A CA2444957 A CA 2444957A CA 2444957 A1 CA2444957 A1 CA 2444957A1
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Canada
Prior art keywords
unit
monitor unit
sensor
transmitting
bidirectional
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Granted
Application number
CA002444957A
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French (fr)
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CA2444957C (en
Inventor
Philip N. Eggers
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Cardionet LLC
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Individual
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Publication of CA2444957A1 publication Critical patent/CA2444957A1/en
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Publication of CA2444957C publication Critical patent/CA2444957C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/009—Signalling of the alarm condition to a substation whose identity is signalled to a central station, e.g. relaying alarm signals in order to extend communication range
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems

Abstract

A monitoring system includes a remote monitoring unit with a sensor unit in bidirectional wireless communication with a monitor unit. Information is transmitted bidirectionally between the sensor unit and the monitor unit. The monitor unit may inform the sensor unit that transmitted data has been, corrupted, that the distance between the units is becoming too large, that transmission signal strength may be altered, that interference requires a change in transmitting frequency, or that attention is needed by the patient to the monitor unit.

Claims (13)

1. A method for monitoring a patient, comprising the steps of providing a monitoring system comprising a remote monitoring unit comprising a sensor unit comprising a sensor having a sensor output, a sensor bidirectional local transceiver that receives the sensor output, and a sensor unit processor in communication with the sensor unit bidirectional local transceiver, and a monitor unit comprising a monitor unit bidirectional local transceiver that supports bidirectional wireless communications with the sensor bidirectional local transceiver, a monitor unit processor in communication with the monitor unit bidirectional local transceiver, and a monitor unit bidirectional remote transceiver in communication with the monitor unit processor; and transmitting information bidirectionally between the sensor unit and the monitor unit.
2. The method of claim 1, wherein the step of transmitting includes the steps of the sensor unit transmitting information to the monitor unit, the monitor unit determining whether the information is corrupted, and the monitor unit transmitting a retransmit signal, to the sensor unit in the event that the information is corrupted.
3. The method of claim 2, including an additional step, after the step of the monitor unit transmitting, of the sensor unit retransmitting the information to the monitor unit.
4. The method of claim 1, wherein the step of transmitting includes the steps of the sensor unit transmitting information to the monitor unit, the monitor unit determining a signal strength of the information, and the monitor unit transmitting a distance warning signal to the sensor unit.
5. The method of claim 1, wherein the step of transmitting includes the steps of the sensor unit transmitting information to the monitor unit at a first power output, the monitor unit determining a signal strength of the information, and the monitor unit transmitting a signal-strength signal to the sensor unit.
6. The method of claim 5, including an additional step, after the step of the monitor unit transmitting, of the sensor unit adjusting the power output to a second power output.
7. The method of claim 1, wherein the step of transmitting includes the steps of the sensor unit transmitting information to the monitor unit at a first frequency, the monitor unit determining whether the signal is adversely affected by frequency-dependent interference, the monitor unit transmitting a frequency-change, signal to the sensor unit in the event that the information is adversely affected by frequency-dependent interference.
8. The method of claim 7, including an additional step, after the step of the monitor unit transmitting, of the sensor unit transmitting further information to the monitor unit at a second frequency.
9. The method of claim 1, wherein the step of transmitting includes the steps of the sensor unit transmitting information to the monitor unit, and the monitor unit transmitting a warning signal to the sensor unit.
10. The method of claim 1, wherein the step of providing a monitoring system further includes providing a central unit comprising a central unit bidirectional remote transceiver supporting bidirectional communications with the monitor unit bidirectional remote transceiver, and a central unit processor in communication with the central unit bidirectional remote transceiver.
11. The method of claim 10, wherein the method for monitoring a patient further includes transmitting information bidirectionally between the monitor unit and the central unit.
12. A monitoring system comprising a remote monitoring unit comprising a sensor unit comprising a sensor having a sensor output, a sensor bidirectional local transceiver that receives the sensor output, and a sensor unit processor in communication with the sensor unit bidirectional local transceiver; and a monitor unit comprising a monitor unit bidirectional local transceiver that supports bidirectional wireless communications with the sensor bidirectional local transceiver, a monitor unit processor in communication with the monitor unit bidirectional local transceiver, and a monitor unit bidirectional remote transceiver in communication with the monitor unit processor.
13. The monitoring system of claim 12, wherein the monitoring system further includes a central unit comprising a central unit bidirectional remote transceiver supporting bidirectional communications with the monitor unit bidirectional remote transceiver, and a central unit processor in communication with the central unit bidirectional remote transceiver.
CA2444957A 2001-04-23 2002-04-22 Bidirectional communication between a sensor unit and a monitor unit in patient monitoring Expired - Fee Related CA2444957C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/841,134 2001-04-23
US09/841,134 US6801137B2 (en) 2001-04-23 2001-04-23 Bidirectional communication between a sensor unit and a monitor unit in patient monitoring
PCT/US2002/012873 WO2002086837A1 (en) 2001-04-23 2002-04-22 Bidirectional communication between a sensor unit and a monitor unit in patient monitoring

Publications (2)

Publication Number Publication Date
CA2444957A1 true CA2444957A1 (en) 2002-10-31
CA2444957C CA2444957C (en) 2010-01-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2444957A Expired - Fee Related CA2444957C (en) 2001-04-23 2002-04-22 Bidirectional communication between a sensor unit and a monitor unit in patient monitoring

Country Status (10)

Country Link
US (1) US6801137B2 (en)
EP (2) EP2355065B1 (en)
JP (1) JP2004532679A (en)
KR (1) KR20040010628A (en)
CN (1) CN1524251A (en)
AU (1) AU2002316043B2 (en)
CA (1) CA2444957C (en)
DE (1) DE60236942D1 (en)
ES (1) ES2347139T3 (en)
WO (1) WO2002086837A1 (en)

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