Location detection system for a patient handling device

• US 8,102,254 B2
• Filed: 10/05/2009
• Issued: 01/24/2012
• Est. Priority Date: 03/29/2005
• Status: Active Grant

• Current Assignee: Stryker Corporation
• Original Assignee: Stryker Canadian Management Inc.
• Inventors: Becker, David Terrance, MacDonald, Bruce L., Mroz, Joseph E., Hayes, Michael Joseph, Hopper, Christopher John, Mayoras, Richard C. Jr., Stryker, Martin W., Shankar, Vivek, Dionne, Jean-Paul, Furman, Aaron Douglas, Bhimavarapu, Krishna Sandeep
• Primary Examiner(s): HUNNINGS, TRAVIS R
• Application Number:
  US12/573,545
• Publication Number:
  US 20100079304A1
• Time in Patent Office: 841 Days
• Field of Search: 340/539.12, 340/539.13
• US Class Current: 340/539.12
• CPC Class Codes: A61B 5/0002 Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network A61B5/07 takes precedence; transmission systems for measured values G08C; transmission H04B; transmission of digital information H04L; wireless communication networks H04W
• CPC Class Codes: A61B 5/1113 Local tracking of patients, e.g. in a hospital or private home
• CPC Class Codes: A61B 5/6889 Rooms
• CPC Class Codes: A61B 5/6891 Furniture
• CPC Class Codes: G08B 1/08 using electric transmission ; transformation of alarm signals to electrical signals from a different medium, e.g. transmission of an electric alarm signal upon detection of an audible alarm signal
• CPC Class Codes: G08B 13/14 by lifting or attempted removal of hand-portable articles
• CPC Class Codes: G16H 40/20 for the management or administration of healthcare resources or facilities, e.g. managing hospital staff or surgery rooms
• CPC Class Codes: G16H 40/67 for remote operation
• CPC Class Codes: Y02A 90/10 Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Abstract

A location detection system for a facility including a patient handling device for supporting a patient and being mobile for positioning at a location in the facility, a locator fixed relative to the patient handling device for transmitting a unique location identifier corresponding to the location of the patient handling device, and a processing station remote from the patient handling device and the locator for receiving the unique location identifier such that the location of the patient handling device can be determined and monitored remotely from the patient handling device. The system further includes a receiver mounted to the patient handling device for receiving the unique location identifier from the locator and a communication module with a unique ID for the patient handling device mounted to the patient handling device and in communication with the receiver and transmitting the unique ID and the unique location identifier received by the receiver from the patient handling device to the processing station such that the patient handling device acts as a communication link between the locator and the processing station, and the processing station receiving the unique location identifier and the unique ID and correlating the unique location identifier with the unique ID and further correlating the unique ID of the patient handling device with a patient supported by the patient handling device wherein the processing station can track the patient handling device and the patient supported thereby.

Claims

1. A location detection system for a facility, comprising:

a patient handling device having a support surface for supporting a patient and being mobile for positioning at a location in the facility;

a locator fixed relative to said patient handling device for transmitting a unique location identifier corresponding to the location of said patient handling device;

a processing station remote from said patient handling device and said locator for receiving said unique location identifier such that the location of said patient handling device can be determined and monitored remotely from said patient handling device;

a communication device mounted to said patient handling device for receiving said unique location identifier from said locator; and

a communication module mounted to said patient handling device and in communication with said communication device, said communication module having a unique ID for said patient handling device and transmitting said unique ID and said unique location identifier received by said communication device from said patient handling device to said processing station such that said patient handling device acts as a communication link between said locator and said processing station, and said processing station receiving said unique location identifier and said unique ID and correlating said unique location identifier with said unique ID and further correlating said unique ID of said patient handling device with a patient supported by said patient handling device wherein said processing station can track said patient and/ or said patient handling device, said communication device transmitting a request signal to said locator, and said locator including a receiver for receiving said request signal from said communication device.

2. A location detection system as set forth in claim 1, wherein said locator includes at least one infrared transmitter for transmitting said unique location identifier to said communication device and said communication device includes at least one infrared sensor for receiving said unique location identifier from said infrared transmitter.

3. A location detection system as set forth in claim 1, wherein said locator includes at least one radio frequency identification tag for transmitting said unique location identifier to said communication device using radio frequency.

4. A location detection system as set forth in claim 3 including a tether connected to said locator for fixing said radio frequency identification tag at the location.

5. A location detection system as set forth in claim 3, wherein said at least one radio frequency identification tag is further defined as a magnetic radio frequency identification tag having a magnet for coupling said magnetic radio frequency identification tag to said locator to transmit said unique location identifier to said communication device.

6. A location detection system as set forth in claim 1, wherein said locator includes an ultrasonic transmitter and said communication device includes an ultrasonic sensor.

7. A location detection system as set forth in claim 1, wherein said locator includes a magnetic inductively coupled transmitter and said communication device includes a magnetic inductively coupled sensor.

8. A location detection system as set forth in claim 1, wherein said locator includes a modulated light transmitter and said communication device includes a modulated light sensor.

9. A location detection system as set forth in claim 1, wherein said locator is further defined as a plurality of WiFi access points and said communication device comprises a WiFi receiver.

10. A location detection system as set forth in claim 1, wherein said locator includes an Ethernet port for transmitting said unique location identifier to said communication device over an Ethernet compliant cable.

11. A location detection system as set forth in claim 1, wherein said communication module transmits bed data from said patient handling device to said processing station.

12. A location detection system as set forth in claim 1, wherein said communication device comprises a receiver, a transmitter, or a transceiver.

13. A location detection system for a facility, comprising:

a patient handling device having a support surface for supporting a patient and being mobile for positioning at a location in the facility;

a locator fixed relative to said patient handling device for transmitting a unique location identifier corresponding to the location of said patient handling device;

a processing station remote from said patient handling device and said locator for receiving said unique location identifier such that the location of said patient handling device can be determined and monitored remotely from said patient handling device;

a receiver mounted to said patient handling device for receiving said unique location identifier from said locator; and

a communication module mounted to said patient handling device and in communication with said receiver, said communication module having a unique ID for said patient handling device and transmitting said unique ID and said unique location identifier received by said receiver from said patient handling device to said processing station such that said patient handling device acts as a communication link between said locator and said processing station, and said processing station receiving said unique location identifier and said unique ID and correlating said unique location identifier with said unique ID and further correlating said unique ID of said patient handling device with a patient supported by said patient handling device wherein said processing station can track said patient handling device and the patient supported thereby, said locator including at least one infrared transmitter for transmitting said unique location identifier to said receiver and said receiver includes at least one infrared sensor for receiving said unique location identifier from said infrared transmitter, wherein said locator includes a plurality of infrared transmitters for transmitting said unique location identifier to said receiver and said receiver includes a plurality of infrared sensors for receiving said unique location identifier from said infrared transmitters thereby improving transmission of said unique location identifier.

14. A location detection system for a facility, comprising:

a patient handling device having a support surface for supporting a patient and being mobile for positioning at a location in the facility;

a locator fixed relative to said patient handling device for transmitting a unique location identifier corresponding to the location of said patient handling device;

a processing station remote from said patient handling device and said locator for receiving said unique location identifier such that the location of said patient handling device can be determined and monitored remotely from said patient handling device;

a receiver mounted to said patient handling device for receiving said unique location identifier from said locator; and

a communication module mounted to said patient handling device and in communication with said receiver, said communication module having a unique ID for said patient handling device and transmitting said unique Ill and said unique location identifier received by said receiver from said patient handling device to said processing station such that said patient handling device acts as a communication link between said locator and said processing station, and said processing station receiving said unique location identifier and said unique ID and correlating said unique location identifier with said unique ID and further correlating said unique ID of said patient handling device with a patient supported by said patient handling device wherein said processing station can track said patient handling device and the patient supported thereby, said locator including at least one infrared transmitter for transmitting said unique location identifier to said receiver and said receiver includes at least one infrared sensor for receiving said unique location identifier from said infrared transmitter, wherein said locator includes at least one infrared sensor for receiving a request signal from said receiver and said receiver includes at least one infrared transmitter for transmitting said request signal from said receiver to said locator.

15. A location detection system as set forth in claim 14 including a battery for powering said locator wherein said locator normally operates in a sleep mode until said request signal is received by said at least one infrared sensor of said locator thereby conserving said battery.

16. A location detection system as set forth in claim 14, wherein said locator includes a plurality of infrared sensors for receiving said request signal from said receiver and said receiver includes a plurality of infrared transmitters for transmitting said request signal from said receiver to said locator thereby improving transmission of said request signal.

17. A location detection system for a facility, comprising:

a patient handling device having a support surface for supporting a patient and being mobile for positioning at a location in the facility;

a locator fixed relative to said patient handling device for transmitting a unique location identifier corresponding to the location of said patient handling device;

a processing station remote from said patient handling device and said locator for receiving said unique location identifier such that the location of said patient handling device can be determined and monitored remotely from said patient handling device;

a receiver mounted to said patient handling device for receiving said unique location identifier from said locator; and

a communication module mounted to said patient handling device and in communication with said receiver. said communication module having a unique ED for said patient handling device and transmitting said unique ID and said unique location identifier received by said receiver from said patient handling device to said processing station such that said patient handling device acts as a communication link between said locator and said processing station, and said processing station receiving said unique location identifier and said unique ID and correlating said unique location identifier with said unique ID and further correlating said unique ID of said patient handling device with a patient supported by said patient handling device wherein said processing station can track said patient handling device and the patient supported thereby, said locator including at least one radio frequency identification tag for transmitting said unique location identifier to said receiver using radio frequency, wherein said locator includes a plurality of radio frequency identification tags for transmitting said unique location identifier to said receiver.

18. A location detection system for a facility, comprising:

a patient handling device having a support surface for supporting a patient and being mobile for positioning at a location in the facility;

a locator fixed relative to said patient handling device for transmitting a unique location identifier corresponding to the location of said patient handling device;

a processing station remote from said patient handling device and said locator for receiving said unique location identifier such that the location of said patient handling device can be determined and monitored remotely from said patient handling device;

a receiver mounted to said patient handling device for receiving said unique location identifier from said locator;

a communication module mounted to said patient handling device and in communication with said receiver, said communication module having a unique ID for said patient handling device and transmitting said unique ID and said unique location identifier received by said receiver from said patient handling device to said processing station such that said patient handling device acts as a communication link between said locator and said processing station, and said processing station receiving said unique location identifier and said unique ID and correlating said unique location identifier with said unique ID and further correlating said unique ID of said patient handling device with a patient supported by said patient handling device wherein said processing station can track said patient handling device and the patient supported thereby, said locator including at least one radio frequency identification tag for transmitting said unique location identifier to said receiver using radio frequency; and

a nurse call interface port and a cable interconnecting said nurse call interface port and said patient handling device with said at least one radio frequency identification tag mounted to one end of said cable.

19. A method of detecting a location of a patient and a patient handling device having a support surface supporting the patient and being adapted to be transported throughout a facility, said method comprising:

transporting the patient handling device to the location in the facility, the patient handling device having a unique ID associated therewith;

transmitting a request signal from said patient handling device to a locator fixed at the location;

in response to receiving said request signal. transmitting a unique location identifier corresponding to the location of the patient handling device from the locator to a communication device mounted to the patient handling device;

transmitting the unique location identifier and the unique ID from the patient handling device to a processing station remote from the patient handling device;

correlating the unique location identifier with the unique ID; and

correlating the unique ID with a patient supported by the patient handling device, such that the location of the patient and/or the patient handling device can be determined and monitored remotely from the patient handling device.

20. A method as set forth in claim 19, wherein transmitting the unique location identifier from the locator to the patient handling device is further defined as transmitting an infrared location signal from an infrared transmitter of the locator to an infrared sensor of the receiver.

21. A method as set forth in claim 20, wherein transmitting the unique location identifier from the patient handling device to the processing station is further defined as transmitting the unique location identifier from a communication module supported by the patient handling device to the processing station such that the patient handling device acts as a communication link between the locator and the processing station.

22. A method of detecting a location of a patient and a patient handling device having a support surface supporting the patient and being adapted to be transported throughout a facility, said method comprising:

transporting the patient handling device to the location in the facility, the patient handling device having a unique ID associated therewith;

transmitting a unique location identifier corresponding to the location of the patient handling device from a locator fixed at the location to a receiver mounted to the patient handling device;

transmitting the unique location identifier and the unique ID from the patient handling device to a processing station remote from the patient handling device;

correlating the unique location identifier with the unique ID; and

correlating the unique ID with a patient supported by the patient handling device, such that the location of the patient handling device and the patient can be determined and monitored remotely from the patient handling device, said transmitting the unique location identifier from the locator to the patient handling device comprises transmitting an infrared location signal from an infrared transmitter of the locator to an infrared sensor of the receiver, said transmitting the unique location identifier from the patient handling device to the processing station further comprises transmitting the unique location identifier from a communication module supported by the patient handling device to the processing station such that the patient handling device acts as a communication link between the locator and the processing station, further comprising transmitting a request signal from the patient handling device to the locator to wake the locator from a sleep mode.

23. A method as set forth in claim 22, wherein transmitting the request signal includes transmitting an infrared request signal from an infrared transmitter of the receiver and receiving the infrared request signal at an infrared sensor of the locator after transporting the patient handling device to the location.