Device and method for checking a medical device

• US 20060135907A1
• Filed: 12/15/2005
• Published: 06/22/2006
• Est. Priority Date: 06/17/2003
• Status: Abandoned Application

• Current Assignee: Disetronic Licensing Ag
• Original Assignee: Disetronic Licensing Ag
• Inventors: Remde, Axel, Schiltges, Gilbert
• Application Number:
  US11/304,505
• Publication Number:
  US 20060135907A1
• Time in Patent Office: Days
• US Class Current: 604/67
• CPC Class Codes: A61M 2205/18 with alarm
• CPC Class Codes: A61M 2205/3375 Acoustical, e.g. ultrasonic, measuring means
• CPC Class Codes: A61M 2205/702 automatically during use
• CPC Class Codes: A61M 5/142 Pressure infusion, e.g. using pumps
• CPC Class Codes: A61M 5/16831 Monitoring, detecting, signalling or eliminating infusion flow anomalies low-level float-valves causing cut-off A61M5/40; indicating or recording presence, absence or direction of flow in general G01P13/0066
• CPC Class Codes: G01N 29/14 using acoustic emission techniques echo of particles G01N29/046; measuring mechanical vibrations or acoustic waves in solids in general G01H1/00

Abstract

A device integrated with and/or operably coupled to a medical device, including an acoustic element for detecting a sound associated with the medical device to monitor and/or assess the performance and/or condition of the medical device. The invention encompasses a method for assessing the operation, performance and/or condition of a medical device wherein a sound associated with the medical device is detected and analyzed.

Claims

1. A device for checking a medical device, comprising at least one acoustic transducer, which can detect a sound emitted by the medical device in order to check the medical device for faults.

2. The device as claimed in claim 1, wherein the medical device is an infusion pump for extracorporeal use.

3. The device as claimed in claim 1, further comprising an evaluation unit for receiving signals from the at least one acoustic transducer for detecting the occurrence of a fault.

4. The device as claimed in claim 1, wherein the at least one acoustic transducer is one of permanently connected to or integrated in the medical device.

5. The device as claimed in claim 1, wherein the at least one acoustic transducers is configured to record at least one of airborne sound and structure-borne sound.

6. The device as claimed in claim 1, wherein said medical device includes the device for checking the medical device.

7. The device as claimed in claim 1, further comprising a signal output device for the output of at least one of optical, acoustic and movement signals.

8. The device as claimed in claim 1, wherein said at least one transducer detects sound emitted continuously or intermittently.

9. The device as claimed in claim 1, wherein said device for checking detects an impact on the medical device based on the analysis of the sound emitted.

10. The device as claimed in claim 1, further comprising an alarm for outputting a warning signal or discontinuing the operation of the medical device based on at least one of a detected fault the detected functioning of the medical device, said fault and functioning detected by means for analyzing the detected sound.

11. The device as claimed in claim 1, further comprising a storage device for storing at least one of sound detected by the device and the result of an analysis of the sound.

12. The device as claimed in claim 1, wherein said acoustic transducer is configured to detect at least one of an oscillation, vibration, or impact produced in or on the medical device.

13. A device for checking a non-implantable medical device comprising:

one or more acoustic transducers for detecting emitted sounds from said non-implantable medical device, wherein at least one of said transducers detects a sound related to a structural or mechanical characteristic of said non-implantable medical device;

a storage device for storing signals produced by said one or more acoustic transducers; and

an output device for outputting signals stored on said storage device.

14. The device as claimed in claim 13, further comprising an analysis device operably coupled to said one or more acoustic transducers for analyzing signals produced by said one or more acoustic transducers.

15. The device as claimed in claim 14, further comprising an alarm operably coupled to said analysis device, said alarm triggered based on said signal analysis.

16. The device as claimed in claim 13, wherein the non-implantable medical device comprises a non-implantable infusion pump.

17. The device as claimed in claim 13, wherein a second transducer of the one or more acoustic transducers is configured to detect air bubbles in said infusion pump.

18. The device as claimed in claim 13, wherein said sound related to the structural or mechanical characteristic comprises a sound related to a characteristic indicative of structural stability.

19. The device as claimed in claim 13, wherein said sound related to the structural or mechanical characteristic comprises a sound indicative of functional capability or operational reliability.

20. The device as claimed in claim 13, wherein said sound related to the structural or mechanical characteristic comprises a sound indicative of a structural or mechanical defect.

21. The device as claimed in claim 13, wherein said sound related to the structural or mechanical characteristic comprises a sound indicative a mechanical gear breakage.

22. The device as claimed in claim 13, wherein said sound related to the structural or mechanical characteristic comprises a sound indicative of the need for structural or mechanical maintenance.

23. The device as claimed in claim 13, wherein said sound related to the structural or mechanical characteristic comprises a sound indicative of an impact.

24. The device as claimed in claim 13, wherein at least one of the one or more acoustic transducers is configured to record at least one of airborne sound and structure-borne sound.

25. The device as claimed in claim 13, wherein device for checking the medical device in incorporated in said medical device, said medical device further comprising a vibration device.

26. The device as claimed in claim 13, wherein at least one of said one or more acoustic transducers is situated near a motor of said medical device for detecting sound emitted by said motor.

27. The device as claimed in claim 26, wherein said at least one acoustic transducer is situated near a moving part and coupled to said motor of said medical device for detecting sound emitted by said moving part.

28. The device as claimed in claim 13, wherein at least one of said one or more acoustic transducers is situated on a housing of said medical device for detecting sounds emitted by said housing.

29. An analysis station for a medical device comprising:

a communications device for communicatively coupling said medical device to said analysis station;

a device for checking said medical device, said device for checking comprising one or more acoustic transducers configured to emit and receive signals;

a recording device coupled to said device for checking and configured to record data received from said device for checking; and

an evaluation unit coupled to said recording device for processing characteristics related to said medical device.

30. The analysis station as claimed in claim 29, wherein said one or more acoustic transducers are configured to receive at least one of structure-borne sound and airborne sound from said medical device or said device for checking.

31. The diagnosis station as claimed in claim 29, wherein said recording device is configured to record data received from an acoustic transducer coupled to, disposed on, or integrated with the medical device.

32. A non-implantable medical device comprising:

one or more acoustic transducers, wherein at least one of said one or more acoustic transducers detects sound characteristics related to at least one of the structure or performance of said medical device; and

a communication device for communicating said detected sound characteristics with a device for checking said medical device.

33. A method for checking a medical device comprising:

providing acoustic transducer signals;

detecting the acoustic transducer signals;

analyzing said transducer signals; and

categorizing the status of said medical device based on said analyzed transducer signals, said status of said medical device indicative that the medical device is functioning correctly, that the medical device functioning is deviating from a prescribed pattern, or that a fault associated with the medical device has occurred.

34. The method of claim 33, wherein categorizing the status of said medical device comprises signalling said status via at least one of a visual or an audible signal.

35. The method of claim 33, wherein detecting said acoustic transducer signals comprises at least one of continuously or temporarily detecting said acoustic transducer signals.

36. The method of claim 33, further comprising detecting an impact on the medical device based on the analysis of the transducer signals.

37. The method of claim 33, further comprising at least one of outputting a warning signal or blocking the medical device based on a detected fault the detected functioning of the medical device, said fault or functioning processed by means for analyzing the detected sound.

38. The method of claim 33, further comprising storing the transducer signals detected or the result of the analysis of the transducer signals.

39. The method of claim 33, wherein said acoustic transducer signals are the result of an oscillation, vibration, or impact produced in or on said medical device.