PORTABLE TEST APPARATUS FOR RADIATION-SENSING THERMOMETER

• US 20070268954A1
• Filed: 05/19/2006
• Published: 11/22/2007
• Est. Priority Date: 05/19/2006
• Status: Abandoned Application

• Current Assignee: Covidien AG (Medtronic Plc)
• Original Assignee: Sherwood Services AG
• Inventors: Price, Jeffrey E., Flynn, Daniel P., Reinders, Mark V.
• Application Number:
  US11/419,351
• Publication Number:
  US 20070268954A1
• Time in Patent Office: Days
• US Class Current: 374/2
• CPC Class Codes: G01J 5/02 Constructional details
• CPC Class Codes: G01J 5/025 Interfacing a pyrometer to an external device or network; User interface
• CPC Class Codes: G01J 5/026 Control of working procedures of a pyrometer, other than calibration; Bandwidth calculation; Gain control
• CPC Class Codes: G01J 5/04 Casings
• CPC Class Codes: G01J 5/049 Casings for tympanic thermometers
• CPC Class Codes: G01J 5/53 Reference sources, e.g. standard lamps; Black bodies

Abstract

A portable test apparatus for testing the accuracy of a radiation-sensing thermometer. The portable test apparatus comprises a target adapted to be maintained at a target temperature for sensing by the radiation-sensing thermometer. The apparatus also comprises a communication link adapted to receive temperature-sensing information from the radiation-sensing thermometer. The apparatus also comprises a processor adapted to analyze the received temperature-sensing information and to provide an indication to a user about whether the thermometer is functioning properly.

Claims

1. A portable test apparatus for testing the accuracy of a radiation-sensing thermometer, said portable test apparatus comprising:

a target adapted to be maintained at a target temperature for sensing by the radiation-sensing thermometer;

a communication link adapted to receive temperature-sensing information from the radiation-sensing thermometer; and

a processor adapted to analyze the received temperature-sensing information and to provide an indication to a user about whether the thermometer is functioning properly.

2. A portable test apparatus as set forth in claim 1 wherein said processor is further adapted to provide a pass indication to the user if the thermometer is functioning properly and to provide a fail indication to the user if the thermometer is functioning improperly.

3. A portable test apparatus as set forth in claim 2 wherein said processor is further adapted to provide at least one of a failure analysis to the user if the thermometer is functioning improperly and a pass analysis to the user if the thermometer is functioning properly.

4. A portable test apparatus as set forth in claim 3 wherein said failure analysis comprises at least one of (i) a failure code corresponding to a particular failure analysis and (ii) an indication of the differences between the target temperatures and the temperatures sensed by the thermometer;

and wherein said pass analysis comprises an indication of the differences between the target temperatures and the temperatures sensed by the thermometer.

5. A portable test apparatus as set forth in claim 1 further comprising a display adapted to provide information to a user of the test apparatus.

6. A portable test apparatus as set forth in claim 5 wherein said display is adapted to display the indication of the accuracy of the thermometer.

7. A portable test apparatus as set forth in claim 1 wherein said target comprises an infrared blackbody temperature target.

8. A portable test apparatus as set forth in claim 1 wherein said target comprises a nest shaped and sized for at least one of locating and orienting a sensing portion of the thermometer.

9. A portable test apparatus as set forth in claim 8 wherein said target comprises a sensor adapted to detect when the sensing portion of the thermometer is seated properly in the nest.

10. A portable test apparatus as set forth in claim 1 further comprising an indicator associated with said target adapted to indicate that the target has reached the target temperature and is ready for sensing by the radiation-sensing thermometer.

11. A portable test apparatus as set forth in claim 1 further comprising a data storage device interface adapted to communicate with a data storage device for storing the temperature-sensing information received from the radiation-sensing thermometer on the data storage device.

12. A portable test apparatus as set forth in claim 11 wherein said data storage device interface is further adapted to communicate with the data storage device for storing at least one of the date of receipt of the temperature-sensing information, the time of receipt of the temperature-sensing information, the location of the test apparatus upon receipt of the temperature-sensing information, the identity of the user of the portable test apparatus, an identifier associated with the particular thermometer being tested, a pass indication if the thermometer is functioning properly, and a fail indication if the thermometer is functioning improperly.

13. A portable test apparatus as set forth in claim 11 further comprising an internal memory.

14. A portable test apparatus as set forth in claim 1 further comprising a second target adapted to be maintained at a second target temperature different from said target temperature for sensing by the radiation-sensing thermometer.

15. A portable test apparatus as set forth in claim 14 further comprising a housing, said target and said second target positioned on said housing relative to one another to create an air gap between the target and the second target adapted to maintain thermal isolation between the target and the second target.

16. A portable test apparatus as set forth in claim 15 further comprising insulation disposed between the target and the second target adapted to maintain thermal isolation between the target and the second target.

17. A portable test apparatus as set forth in claim 1 further comprising a user input device adapted for use by a user in at least one of controlling and communicating with the test apparatus.

18. A portable test apparatus as set forth in claim 17 wherein said user input device comprises at least one of an encoder knob, a keypad, a joystick, a touchpad, a stylus, and a group of buttons.

19. A portable test apparatus as set forth in claim 1 wherein said communication link comprises at least one of a connector for connecting with the thermometer via a communication wire and a wireless communication device for connecting wirelessly with the thermometer.

20. A portable test apparatus as set forth in claim 1 wherein said radiation-sensing thermometer is a tympanic thermometer.

21. A method for testing the accuracy of a radiation-sensing thermometer, said method comprising:

connecting the radiation-sensing thermometer to a portable test apparatus comprising a first target adapted to be maintained at a first target temperature for sensing by the radiation-sensing thermometer and a second target adapted to be maintained at a second target temperature different from said first target temperature for sensing by the radiation-sensing thermometer;

sensing the temperature of the first target with the thermometer;

sending the sensed temperature of the first target to the portable test apparatus;

sensing the temperature of the second target with the thermometer;

sending the sensed temperature of the second target to the portable test apparatus;

analyzing the received sensed temperatures with a processor of the portable test apparatus; and

providing an indication to the user about whether the thermometer is functioning properly.

22. A method as set forth in claim 21 wherein said providing further comprises providing a pass indication to the user if the thermometer is functioning properly and providing a fail indication to the user if the thermometer is functioning improperly.

23. A method as set forth in claim 21 wherein said analyzing further comprises determining that the thermometer is not functioning properly if any of the differences between the target temperatures and the respective temperatures sensed by the thermometer are greater than about ±

0.3 degrees C. (±

0.5 degrees F.).

24. A method as set forth in claim 23 wherein said analyzing further comprises determining that the thermometer is not functioning properly if any of the differences between the target temperatures and the respective temperatures sensed by the thermometer are greater than about ±

0.2 degrees C. (±

0.4 degrees F.).

25. A method as set forth in claim 21 further comprising repeating the sensing and sending for the first target before said providing and repeating the sensing and sending for the second target before said providing.

26. A method as set forth in claim 21 further comprising allowing the first target to achieve the first target temperature before said sensing the temperature of the first target with the thermometer;

and

allowing the second target to achieve the second target temperature before said sensing the temperature of the second target with the thermometer.

27. A method as set forth in claim 26 further comprising providing a first indication that the first target has reached the first target temperature and is ready for sensing by the radiation-sensing thermometer before said sensing the temperature of the first target with the thermometer;

and

providing a second indication that the second target has reached the second target temperature and is ready for sensing by the radiation-sensing thermometer before said sensing the temperature of the second target with the thermometer.

28. A method as set forth in claim 21 further comprising displaying instructions for the user to perform at least one of the connecting, the sensing the temperature of the first target with the thermometer, and the sensing the temperature of the second target with the thermometer.

29. A method as set forth in claim 21 further comprising displaying a selection element for selection by the user to control the operation of the portable test apparatus.

30. A method as set forth in claim 21 further comprising displaying at least one of a first progress indicator indicating the progress of the first target in maintaining the first target temperature, a second progress indicator indicating the progress of the second target in maintaining the second target temperature, and a combined progress indicator indicating the progress of the first target and second target in maintaining their respective temperatures.

31. A portable test apparatus for testing the accuracy of a radiation-sensing thermometer, said portable test apparatus comprising:

a target adapted to be maintained at a first target temperature for sensing by the radiation-sensing thermometer at a first time and at a second target temperature different from said first target temperature for sensing by the radiation-sensing thermometer at a second time;

a communication link adapted to receive temperature-sensing information from the radiation-sensing thermometer; and

a processor adapted to analyze the received temperature-sensing information and to provide an indication to a user about whether the thermometer is functioning properly.

32. A test system for initiating a test procedure, said system comprising:

a radiation-sensing thermometer including at least one sensor adapted to determine a temperature reading based upon sensed radiation; and

a test apparatus communicating with said thermometer, said test apparatus comprising;

a target adapted to be maintained at a target temperature for sensing by the radiation-sensing thermometer;

a second target adapted to be maintained at a second target temperature different from said target temperature for sensing by the radiation-sensing thermometer;

a communication link adapted to receive temperature-sensing information from the radiation-sensing thermometer; and

a processor adapted to analyze the received temperature-sensing information and to provide an indication to a user about whether the thermometer is functioning properly.