Wirelessly powered medical devices and instruments

• US 9,526,407 B2
• Filed: 04/17/2009
• Issued: 12/27/2016
• Est. Priority Date: 04/25/2008
• Status: Active Grant

• Current Assignee: Karl Storz Imaging, Inc (Karl Storz Se & Co. Kg)
• Original Assignee: Karl Storz Imaging, Inc (Karl Storz Se & Co. Kg)
• Inventors: Hoeg, Hans David, Ankner, Charles E.
• Primary Examiner(s): Leubecker, John P
• Assistant Examiner(s): TORRES DIAZ, ARNALDO
• Application Number:
  US12/425,869
• Publication Number:
  US 20090270679A1
• Time in Patent Office: 2,811 Days
• Field of Search: 600/102, 600/109, 600/118, 307/104
• US Class Current: 1/1
• CPC Class Codes: A61B 1/00016 using wireless means
• CPC Class Codes: A61B 1/00029 externally powered, e.g. wireless
• CPC Class Codes: A61B 1/041 Capsule endoscopes for imaging
• CPC Class Codes: A61B 1/042 characterised by a proximal camera, e.g. a CCD camera
• CPC Class Codes: A61B 2560/0214 of power generation or supply

Abstract

A medical device that is wirelessly powered by a resonant magnetic field, the device automatically coupling to a power transmitter in a control unit when brought within a threshold radius. In one embodiment, the control unit automatically identifies the medical device and automatically adjusts its settings to control the medical device.

Claims

1. A video endoscope system comprising:

an endoscope having a housing and a shaft, said endoscope including;

an imager generating video image data stream;

a light source generating illuminating light;

an endoscope transceiver coupled to and providing power to said imager and said light source;

a power transceiver generating a resonant magnetic field;

said endoscope transceiver tuned to said resonant magnetic field such that resonant interaction occurs between said endoscope transceiver and said power transceiver and power is transmitted to said endoscope transceiver via said resonant magnetic field;

a control unit coupled to said endoscope, and said power transceiver is positioned in said control unit and comprises a control unit transceiver;

said endoscope wirelessly transmitting the video image data stream from said endoscope transceiver to said control unit transceiver via said resonant magnetic field;

said control unit includes a processor for processing of the video image data; and

a display coupled to said control unit for displaying said video image data.

2. The video endoscope system according to claim 1 wherein when said endoscope is brought within a predefined radius of said power transceiver, said power transceiver and said endoscope transceiver automatically wirelessly couple to each other and said control unit automatically identifies said endoscope and automatically adjusts operational settings of said control unit based upon the identification.

3. The video endoscope system according to claim 1 wherein said processor receives and processes the video image data stream prior to transmission to said display.

4. The video endoscope system according to claim 1 wherein said endoscope transceiver and said power transceiver each comprise a power channel and a data channel.

5. The video endoscope system according to claim 4 wherein the video image data stream is transmitted from said endoscope transceiver to said power transceiver via the data channel and control data is transmitted from said control unit transceiver to said endoscope transceiver via the data channel.

6. The video endoscope system according to claim 1 wherein said endoscope further comprises a power storage coupled to said endoscope transceiver such that, in the event of an interruption in the wireless coupling between said endoscope transceiver and said power transceiver, said power storage provides electrical power to said imager and said light source to avoid interruption in the transmission of the video image data stream.

7. The video endoscope system according to claim 6 wherein when said endoscope transceiver is wirelessly coupled to said power transceiver, said power storage charges.

8. The video endoscope system according to claim 1 further comprising a data storage and said video image data stream is saved in said data storage.

9. The video endoscope system according to claim 8 wherein said video image data stream is retrievable such that said video image data stream may be accessed and played on said display.

10. The video endoscope system according to claim 9 wherein said video image data stream is annotated and saved.

11. The video endoscope system according to claim 10 wherein the annotation may comprise a written, audio or visual annotation.

12. The video endoscope system according to claim 1 wherein said endoscope is coupled to a network.

13. The video endoscope system according to claim 12 wherein said network comprises the Internet.

14. The video endoscope system according to claim 12 wherein said video endoscope system is coupled to a surgical suite comprising at least one controller and at least one surgical tool in addition to said endoscope.

15. The video endoscope system according to claim 1 wherein said video image data stream comprises from about 30 to 60 frames of information per second.

16. The endoscope system according to claim 1 wherein the shaft is flexible.

17. The endoscope system according to claim 1 wherein said light source is located in the handle and illuminating light is transmitted down a light path to a distal end of the shaft.

18. A medical device system comprising:

a medical device having a housing such that said medical device may be grasped by a user, said medical device including;

an electronic circuit;

a resonant medical device transceiver coupled to and

providing power to said electrical circuit;

a power unit including a resonant power unit transceiver generating a resonant magnetic field;

a control unit coupled to a surgical suite for controlling the medical device, wherein the resonant

power unit transceiver is positioned in said control unit;

said resonant medical device transceiver tuned to said resonant magnetic field such that resonant interaction occurs between said resonant medical device transceiver and said resonant power unit transceiver and power to operate the medical device is transmitted to said resonant medical device transceiver via said resonant magnetic field;

wherein the medical device is selected from the group consisting of;

a cutting/cauterizing tool, or an irrigation tool, or an aspiration tool, or a visualization tool, or a recording and/or printing device;

wherein each transceiver comprises a power channel and a data channel.

19. The medical device system according to claim 18 wherein

medical device data is transmitted from said resonant medical device transceiver to said resonant power unit transceiver via the data channel and control data is transmitted from said resonant power unit transceiver to said resonant medical device via the data channel.

20. The medical device system according to claim 18 wherein when said medical device is brought within a predefined radius of said control unit, said control unit and said medical device automatically wirelessly resonantly couple to each other and said control unit automatically identifies said medical device and automatically adjusts operational settings of said control unit based upon the identification.

21. The medical device system according to claim 18 wherein said network comprises the Internet.

22. The medical device system according to claim 18 wherein said surgical suite comprises at least one controller and at least one surgical tool in addition to said endoscope.

23. The medical device system according to claim 18 wherein said medical device further comprises a power storage such that, in the event of an interruption in the wireless coupling between said resonant medical device transceiver and said resonant power unit transceiver, said power storage provides electrical power to said electronic circuit to avoid interruption in the operation of the medical device.

24. The medical device system according to claim 23 wherein when said resonant medical device transceiver is coupled via resonant magnetic field to said resonant power unit transceiver, said power storage charges.

25. The medical device system according to claim 18 where said medical device comprises a plurality of medical devices and wherein each medical device is provided with an electronic circuit and a resonant receiver coupled to and providing power to said electrical circuit, and said resonant receivers in each medical device are tuned to said resonant magnetic field such that resonant interaction occurs between each of said resonant receivers and said resonant power unit transceiver and power to operate the medical devices is transmitted to said resonant receivers via said resonant magnetic field.

26. The medical device system according to claim 18 wherein the surgical suite is a rack mounted arrangement.

27. The medical device system according to claim 18 wherein said medical device comprises a first medical device and said medical device system further comprises at least a second medical device coupled to said surgical suite, and wherein said second medical device is different than said first medical device.

28. An endoscope system comprising:

an endoscope having;

a housing and a shaft;

a light source generating illuminating light;

an imager generating a video image data stream;

an endoscope transceiver coupled to and providing power to said light source and said imager, said endoscope transceiver positioned in the housing of said endoscope;

a control unit having a power transceiver generating a resonant magnetic field;

said endoscope transceiver tuned to said resonant magnetic field such that resonant interaction occurs between said endoscope transceiver and said power transceiver and power is transmitted to said endoscope transceiver via said resonant magnetic field;

wherein said endoscope further comprises a power storage coupled to said endoscope transceiver such that, in the event of an interruption in the wireless resonant coupling between said endoscope transceiver and said power transceiver, said power storage provides electrical power to said light source;

said endoscope wirelessly transmitting the video image data stream to said control unit via said endoscope transceiver to said power transceiver.

29. The endoscope system according to claim 28 further comprising a display coupled to said control unit, wherein the video image data stream is presented on said display.

30. The endoscope system according to claim 28 wherein said control unit is coupled to a network.

31. The endoscope system according to claim 30 wherein said network comprises the Internet.

32. The endoscope system according to claim 30 wherein said control unit is coupled to a surgical suite comprising at least one controller and at least one surgical tool in addition to said endoscope.

33. The endoscope system according to claim 28 wherein when said endoscope transceiver is wirelessly resonantly coupled to said power transceiver, said power storage charges.

34. An endoscope system comprising:

an endoscope having;

a housing and a shaft;

a light source generating illuminating light;

an endoscope transceiver coupled to and providing power to said light source;

a power transceiver generating a resonant magnetic field;

said endoscope transceiver tuned to said resonant magnetic field such that resonant interaction occurs between said endoscope transceiver and said power transceiver and power is transmitted to said endoscope transceiver via said resonant magnetic field;

a camera coupled to said endoscope, said camera generating a video image data stream representative of reflected light received by said endoscope;

a control unit coupled to said camera;

wherein said power transceiver is positioned in said control unit and comprises a control unit transceiver, said control unit receiving the video image data stream from the control unit transceiver and said control unit processing the video image data stream; and

a display coupled to said control unit for displaying the video image data stream.

35. The endoscope system according to claim 34 wherein when said endoscope is brought within a predefined radius of said control unit transceiver, said control unit transceiver and said endoscope transceiver automatically wirelessly couple to each other.

36. The endoscope system according to claim 35 wherein when said camera is coupled to said control unit, said control unit automatically identifies said camera and automatically adjusts operational settings of said control unit based upon the identification.

37. An endoscope system comprising:

an endoscope having;

a housing and a shaft;

a light source generating illuminating light;

an endoscope transceiver coupled to and providing power to said light source;

a power transceiver generating a resonant magnetic field;

said endoscope transceiver tuned to said resonant magnetic field such that resonant interaction occurs between said endoscope transceiver and said power transceiver and power is transmitted to said endoscope transceiver via said resonant magnetic field;

a camera coupled to said endoscope, said camera generating a video image data stream representative of reflected light received by said endoscope;

a display coupled to said camera, wherein said camera transmits the video image data stream to said display and said image data is presented on said display;

a control unit coupled between said camera and said display, said control unit receiving the video image data stream via said power transceiver; and

wherein said control unit includes a processor that receives and processes the video image data stream.