System for preventing unintended activation of a medical device by a portable remote control console

• US 8,175,590 B2
• Filed: 09/16/2008
• Issued: 05/08/2012
• Est. Priority Date: 09/26/2007
• Status: Active Grant

• Current Assignee: Stryker Corporation
• Original Assignee: Stryker Corporation
• Inventors: Hamel, Andrew J., Wells, Brannon P., Hilldoerfer, Michael G.
• Primary Examiner(s): Hu, Jinsong
• Assistant Examiner(s): Hong, Dung
• Application Number:
  US12/283,808
• Publication Number:
  US 20090080348A1
• Time in Patent Office: 1,330 Days
• Field of Search: 4554141-421, 4554561-457, 455 411- 412, 340/870.16, 340/870.17, 340/870.19, 340/540, 340/815.6, 340/825.29, 398106-114
• US Class Current: 455/419
• CPC Class Codes: A61B 1/00016 using wireless means
• CPC Class Codes: A61B 1/00059 provided with identification means for the endoscope
• CPC Class Codes: A61B 5/00 Measuring for diagnostic purposes radiation diagnosis A61B6/00; diagnosis by ultrasonic, sonic or infrasonic waves A61B8/00; Identification of persons
• CPC Class Codes: A61B 5/7475 User input or interface means, e.g. keyboard, pointing device, joystick
• CPC Class Codes: G08C 2201/91 Remote control based on location and proximity
• 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 40/63 for local operation

Abstract

A network system prevents portable wireless remote control consoles from unintended activation of a medical device by determining if the console is located in a working space within a medical care room. Transceiver locator devices determine the position of the remote control consoles and send information to room control units indicating when a console is within the desired working space. The room control unit receives signals from the remote control console in the working space to control medical devices. The room control unit can also determine which of multiple remote control consoles within the working space is permitted to operate the medical devices. Each room control unit can send a presence output to the remote control console to enable use thereof. The remote control console can have an orientation sensor or a grip detector to prevent unintended operation thereof.

Claims

1. A system for preventing unintended activation of a medical device located in a medical room by portable wireless remote control consoles, said system comprising:

room control units provided in at least two medical rooms of the medical care building;

medical devices disposed within each of the at least two medical rooms;

a plurality of transceiver locator devices disposed at predetermined locations within a medical care building including within or adjacent at least two of said medical rooms; and

a global network including a global network processor connected to said plurality of transceiver locator devices for receiving inputs from the transceiver locator devices to determine the locations of the portable wireless remote control consoles in the medical care building, said global network processor being connected to said room control units for providing outputs to the room control units indicating which if any of said portable wireless remote control consoles are within the corresponding room, wherein the room control unit is capable of identifying the medical devices in the corresponding room that are controllable by said portable remote control consoles within the corresponding room, and when one of the portable wireless remote control consoles is sensed outside of an operating space within a medical room by the transceiver locator devices, the system prevents the one portable remote control console from operating any of the medical devices in said medical room.

2. The system of claim 1, the medical devices including at least one of an electrocautery tool, a radio frequency generator and a cutter/shaver tool, wherein the transceiver locator devices transmit RF signals that are received by the portable remote control consoles, which then transmit a return signal for receipt by the transceiver locator devices;

and

wherein the transceiver locator devices transmit a wireless information signal to the global network processor in response to the return signal.

3. The system of claim 2, wherein the transceiver locator devices utilize a time of flight arrangement to determine the position of each said portable remote control console within the medical care building.

4. The system of claim 2, wherein each said portable remote control console includes an RFID element therein for receiving the RF signals.

5. The system of claim 1, wherein said transceiver locator devices are located at the doorways of the medical rooms to determine when the portable remote control consoles enter or exit from the respective medical room, said portable wireless remote control consoles each having a plurality of controls including a selection control to allow a user to select a device to be controlled from the medical devices.

6. The system of claim 1, wherein said portable remote control consoles comprise wireless footswitch consoles for controlling medical devices within the medical room.

7. The system of claim 6, wherein said footswitch consoles each include a tilt sensor to prevent actuation of the footswitch console when said footswitch console is not oriented properly.

8. The system of claim 6, wherein said footswitch consoles each further comprise an accelerometer mounted therein to prevent actuation of one of the medical devices for a predetermined time when a sudden force is applied to said footswitch console.

9. The system of claim 1, wherein said transceiver locator devices are positioned so that a position for one of the portable remote control consoles disposed within a medical room is determined by the global network processor, the global network processor providing outputs to the respective room control unit to prevent operation of a medical device by the one remote control console when the global network processor determines the one remote control console is located in a storage space within the medical room.

10. The system of claim 1, wherein said portable remote control consoles comprise hand carried remote control consoles having a grip detector to prevent operation when a user loses grasp of one of the hand carried remote control consoles.

11. The system of claim 10, wherein said grip detector comprises at least one of an inductance sensor, capacitance sensor and resistance sensor for sensing the presence of a hand of a user.

12. The system of claim 1, wherein said room control units comprise movable cart-based room control units for wirelessly controlling a plurality of medical devices located in the corresponding medical room.

13. The system of claim 12, wherein each said movable cart-based room control unit includes a cart transceiver that interacts with said transceiver locator devices connected to said global network processor so that the global network is capable of monitoring the location of each said cart-based room control unit in said medical care building.

14. The system of claim 13, wherein said global network includes a display monitor for displaying the location of each said cart-based room control unit and each said portable remote control console within the medical care building.

15. The system of claim 1, wherein when the global network identifies a plurality of said portable wireless remote control consoles located within one said medical room, said global network processor provides outputs to the room control unit so that one of said portable wireless remote control consoles within the working space within the medical room is provided with sole and exclusive control of at least one of the medical devices.

16. The system of claim 15, wherein said portable wireless remote control consoles each include a unique identification signal to provide a predetermined control value that is defined within a hierarchy so that, depending on control values of said portable wireless remote control consoles located in the medical room, the one of said wireless remote control consoles is provided with the sole and exclusive control over the at least one of the medical devices in the medical room and a second one of said wireless remote control consoles is provided with sole and exclusive control over a second said medical device.

17. The system of claim 1, wherein when the global network identifies a plurality of said portable wireless remote control consoles located within said medical room, said global network processor provides outputs to the room control unit so that one of said portable wireless remote control consoles within the medical room is provided with sole and exclusive control of at least a first one of the medical devices, and a second one of said portable wireless remote control consoles within the working space within the medical room is provided with sole and exclusive control of at least a second one of the medical devices.

18. The system of claim 1, wherein each said room control unit includes a transceiver that interacts with said transceiver locator devices connected to said global network processor so that the global network is capable of monitoring the location of each said room control unit in said medical care building.

19. A system for preventing unintended activation of a medical device located in a medical room by a portable wireless remote control console, said system comprising:

room control units provided in at least two medical rooms of the medical care building;

medical devices disposed within each of the at least two medical rooms, the medical devices in each of the medical rooms being in communication with the respective room control unit provided in the medical room;

portable wireless remote control consoles, each said console having a plurality of controls including a selection control to allow a user to select a device to be controlled from the medical devices;

a plurality of transceiver locator devices disposed at predetermined locations within a medical care building including within or adjacent at least two of said medical rooms, the transceiver locator devices transmitting RF signals that are received by the portable remote control consoles, which then transmit a return signal for receipt by the transceiver locator devices; and

a global network including a global network processor connected to said plurality of transceiver locator devices for receiving wireless information signals transmitted by the transceiver locator devices in response to the return signals to determine the locations of the portable wireless remote control consoles in the medical care building, said global network processor being in communication with said room control units for providing outputs to the room control units indicating Which if any of said portable wireless remote control consoles are within the corresponding room,

wherein the room control unit is capable of identifying the medical devices in the corresponding room that are controllable by said portable remote control consoles within the corresponding room, and when one of the portable wireless remote control consoles is sensed outside of an operating space within a medical room by the transceiver locator devices, the system prevents the one portable remote control console from operating any of the medical devices in said medical room even when the one remote control console is within RF range of the room control unit.

20. The system of claim 19, wherein each said room control unit comprises a portable room control unit for wirelessly controlling a plurality of medical devices located in the corresponding medical room, wherein said transceiver locator devices transmit RF signals that are received by said portable remote control units which then transmit a return signal for receipt by the transceiver locator devices connected to said global network processor, so that the global network is capable of monitoring the location of each said room control unit in said medical care building.

21. The system of claim 20, wherein each said portable remote control console comprises a wireless footswitch console having a plurality of controls including a selection control to allow an operator to select one of said medical devices within the corresponding medical room to be controlled from among the medical devices, the medical devices disposed within the corresponding medical room including at least one of an electrocautery tool, a radio frequency generator and a cutter shaver tool.

22. A method of preventing unintended activation of a medical device located in a medical room by portable wireless remote control consoles, the method comprising:

providing room control units and medical devices disposed in at least two medical rooms of a medical care building;

providing a plurality of transceiver locator devices disposed at predetermined locations within a medical care building including within or adjacent at least two of the medical rooms;

sending inputs from the transceiver locator devices to a global network including a global network processor;

determining the locations of the portable wireless remote control consoles in the medical care building;

sending outputs from the global network processor to the room control units indicating which, if any, of the portable wireless remote control consoles are within the corresponding medical room;

identifying the medical devices in the corresponding room with the room control unit that are controllable by the portable wireless remote control consoles; and

after sensing that one of the portable wireless remote control consoles is located outside of an operating space within a medical room, preventing the one portable wireless remote control console from operating any of the medical devices in the medical room.

23. A method of preventing unintended activation of a medical device located in a medical room by a portable wireless remote control console, the method comprising:

providing room control units and medical devices within at least two medical rooms of a medical care building, the medical devices in each of the medical rooms being in communication with the respective room control unit;

providing portable wireless remote control consoles, each of the consoles having a plurality of controls including a selection control to allow a user to select a medical device to be controlled from the medical devices;

providing a plurality of transceiver locator devices disposed at predetermined locations within a medical care building including within or adjacent the at least two medical rooms;

transmitting RF signals from the transceiver locator devices to the portable wireless remote control consoles;

transmitting a return signal from the portable wireless remote control consoles for receipt by the transceiver locator devices in response to the RF signals;

in response to the return signals, transmitting wireless information signals from the transceiver locator devices to a global network including a global network processor;

determining the locations of the portable wireless remote control consoles in the medical care building;

providing outputs to the room control units from the global network processor indicating which, if any, of the portable wireless remote control consoles are located within the corresponding medical room,

identifying the medical devices in the corresponding room with the room control unit that is controllable by the portable wireless remote control consoles; and

after sensing that one of the portable wireless remote control consoles is located outside of an operating space within a medical room, preventing the one portable remote control console from operating any of the medical devices in the medical room even when the one remote control console is within RF range of the room control unit.