Medical imaging device and associated method including flexible display

• US 6,106,463 A
• Filed: 04/20/1998
• Issued: 08/22/2000
• Est. Priority Date: 04/20/1998
• Status: Expired due to Term

• Current Assignee: Hanger Solutions, LLC (IP Investments Group LLC)
• Original Assignee: Peter J. Wilk
• Inventors: Wilk, Peter J.
• Primary Examiner(s): Lateef, Marvin M.
• Assistant Examiner(s): IMAM, ALI M
• Application Number:
  US09/063,113
• Time in Patent Office: 855 Days
• Field of Search: 600/437, 600/440, 600/443, 600/449, 73/625, 73/627, 345/22, 345/55, 367/153-155, 128/916
• US Class Current: 600/437
• CPC Class Codes: A61B 5/0011 Foetal or obstetric data
• CPC Class Codes: A61B 5/0022 Monitoring a patient using a global network, e.g. telephone networks, internet
• CPC Class Codes: A61B 5/742 using visual displays A61B5/339 takes precedence
• CPC Class Codes: A61B 6/02 Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
• CPC Class Codes: A61B 8/08 Detecting organic movements or changes, e.g. tumours, cysts, swellings A61B8/02 - A61B8/06 take precedence
• CPC Class Codes: G16H 40/67 for remote operation
• CPC Class Codes: G16Z 99/00 Subject matter not provided for in other main groups of this subclass

Abstract

A medical imaging device includes one or more planar substrates, one or more flat video screens provided on the substrates, a flexible bag connected to the substrates, and a scanner operatively connected to the video screens for providing video signals thereto. The bag is disposed on a side of the substrates opposite the video screens and is filled with a fluidic medium capable of transmitting ultrasonic pressure waves. The video signals encodes images of internal tissues of a patient upon placement of the flexible bag with the medium, the substrates and the video screens against the patient.

Claims

1. A medical imaging device comprising:

a plurality of substantially planar substrates;

at least one flexible connection coupling said substrates to one another so that said substrates are extendable at a variable angle with respect to one another;

a plurality of video screens, each of said substrates carrying at least one of said video screens; and

a scanner operatively connected to said video screens for providing respective video signals thereto, said video signals each encoding an image of objects located near a respective one of said substrates.

2. The imaging device defined in claim 1 wherein said scanner is provided with an analyzing component for analyzing scanner sensor signals and determining therefrom three-dimensional shapes of said objects.

3. The imaging device defined in claim 2 wherein said analyzing component includes means for highlighting a selected feature of said objects.

4. The imaging device defined in claim 3 wherein said means for highlighting includes means for varying video image intensity.

5. The imaging device defined in claim 2, further comprising voice-recognition circuitry operatively connected to said analyzing component.

6. The imaging device defined in claim 2, further comprising speech synthesis circuitry operatively connected to said analyzing component.

7. The imaging device defined in claim 2 wherein said analyzing component includes means for performing automated diagnoses based in part on image information derived from said scanner sensor signals.

8. The imaging device defined in claim 2 wherein a plurality of apertures are provided in interstitial spaces between said substrates for enabling traversal of the imaging device by medical instruments.

9. The imaging device defined in claim 2, further comprising a transceiver interface for operatively connecting said scanner, including said analyzing component, to a long-distance telecommunications link.

10. The imaging device defined in claim 2 wherein said scanner includes a view selector operatively connected to said analyzing means and said video screen for selecting said image from among a multiplicity of possible images of said objects.

11. The imaging device defined in claim 2, further comprising a filter stage operatively connected to said analyzing means and said video screen for eliminating a selected object from said image.

12. The imaging device defined in claim 1 wherein said scanner includes at least one electroacoustic transducer, an a-c current generator operatively connected to said transducer for energizing said transducer with an electrical signal of a pre-established ultrasonic frequency to produce a first pressure wave, at least one acoustoelectric transducer, and an analyzing component operatively connected to said acoustoelectric transducer for determining three-dimensional shapes of said objects by analyzing signals generated by said acoustoelectric transducer in response to second pressure waves produced at said objects in response to said first pressure wave.

13. The imaging device defined in claim 12 wherein at least one of the transducers is attached at least indirectly to said substrates.

14. The imaging device defined in claim 13 wherein said scanner includes a flexible bag attached to said substrates and carrying a fluidic medium so that ultrasonic pressure waves can travel through said fluidic medium from said electroacoustic transducer and to said acoustoelectric transducer.

15. The imaging device defined in claim 12 wherein said electroacoustic transducer is one of a plurality of electroacoustic transducers each capable of generating a pressure wave in a respective frequency range different from the frequency ranges of the other of said electroacoustic transducers, said a-c current generator being operatively connected to said electroacoustic transducers for energizing said electroacoustic transducers with electrical signals of different pre-established ultrasonic frequencies to produce respective first pressure waves in the respective frequency ranges, said acoustoelectric transducer being one of a plurality of acoustoelectric transducers capable of sensing pressure waves in a plurality of different frequency ranges.

16. The imaging device defined in claim 1 wherein said video screens include elements for providing a stereoscopic image to a viewer, said scanner including means for energizing said elements to produce said stereoscopic image.

17. The imaging device defined in claim 1 wherein said substrates carry a plurality of electroacoustic transducers attached to said substrates in a predetermined array, said scanner including means for energizing said electroacoustic transducers in a predetermined sequence.

18. The imaging device defined in claim 1 wherein said substrates carry a plurality of acoustoelectric transducers attached to said substrates in a predetermined array, said scanner including means for receiving signals from said acoustoelectric transducers in a predetermined sequence.

19. A medical method comprising:

providing an imaging device including a plurality of planar substrates fastened to one another by at least one flexible connector, each of said substrates carrying a respective video screen, a scanner being operatively connected to said video screens;

disposing said substrates with said video screens on a body portion of a patient so that said substrates and said video screens substantially conform to the body portion of the patient and so that said video screens are facing away from the body portion of the patient; and

after the disposition of said substrates and said video screens on the body portion of the patient, operating said scanner to provide video signals to said video screens, said video signals encoding images of internal tissues of the patient.

20. The method defined in claim 19, further comprising operating said video screens to reproduce said images so that internal tissue representations as displayed on said video screens substantially overlie respective corresponding actual tissues of the patient.

21. The method defined in claim 20, further comprising placing markers on the patient for facilitating the reproducing of said images so that the internal tissue representations on said video screens substantially overlie respective corresponding actual tissues of the patient.

22. The method defined in claim 19 wherein the operating of said scanner to provide said video images includes automatically analyzing scanner sensor signals and determining therefrom three-dimensional shapes of the internal tissues of the patient.

23. The method defined in claim 22, further comprising highlighting a selected feature of the internal tissues of the patient on said video screens.

24. The method defined in claim 19 wherein said imaging device is provided with a plurality of apertures, further comprising:

providing a medical instrument;

inserting a distal end portion of said instrument into the patient through one of said apertures;

after insertion of said distal end portion, manipulating said instrument from outside the patient to perform an operation on at least one of the internal tissues of the patient, said images being viewed on said video screens while said instrument is being manipulated.

25. The method defined in claim 19 wherein said scanner includes at least one electroacoustic transducer, an a-c current generator operatively connected to said transducer, at least one acoustoelectric transducer and an analyzing component operatively connected to said acoustoelectric transducer, the disposing of said substrates with said video screens on the body portion of the patient including placing said substrates in pressure-wave-transmitting contact with the body portion of the patient, the operating of said scanner including:

transmitting a first electrical signal of a pre-established ultrasonic frequency from said current generator to said electroacoustic transducer for energizing said electroacoustic transducer to produce a first pressure wave;

transmitting said first pressure wave into the body portion of the patient;

transmitting, from said acoustoelectric transducer to said analyzing component, a second electrical signal corresponding to a second pressure wave produced at the internal tissues of the patient in response to said first pressure wave; and

operating said analyzing component to determine three-dimensional shapes of the internal tissues of the patient by analyzing said second electrical signal.

26. The method defined in claim 25 wherein said electroacoustic transducer is one of a plurality of electroacoustic transducers and said acoustoelectric transducer is one of a plurality of acoustoelectric transducers, further comprising transmitting a plurality of electrical signals of different pre-established ultrasonic frequencies from said current generator to said electroacoustic transducers for energizing said electroacoustic transducers to produce pressure waves in different ultrasonic frequency ranges, also comprising transmitting, from said acoustoelectric transducers to said analyzing component, electrical signals corresponding to pressure waves produced at the internal tissues of the patient in response to the pressure waves in the different ultrasonic frequency ranges, the operating of said analyzing component to determine three-dimensional shapes of the internal tissues of the patient including analyzing electrical signals from said acoustoelectric transducers.

27. A medical imaging device comprising:

a planar substrate;

a substantially flat video screen provided on said substrate;

a flexible bag connected to said substrate, said bag being disposed on a side of said substrate opposite said video screen, said bag being filled with a fluidic medium capable of transmitting ultrasonic pressure waves; and

a scanner operatively connected to said video screen for providing a video signal thereto, said video signal encoding an image of internal tissues of a patient upon placement of said flexible bag with said medium, said substrate and said video screen against a patient.

28. The imaging device defined in claim 27 wherein said scanner is an ultrasonic scanner.

29. The imaging device defined in claim 28 wherein said scanner includes at least one electroacoustic transducer and at least one acoustoelectric transducer both attached at least indirectly to said substrate so that ultrasonic pressure waves can travel through said fluidic medium from said electroacoustic transducer and to said acoustoelectric transducer.

30. The imaging device defined in claim 27 wherein said scanner is provided with an analyzing component for analyzing scanner sensor signals and determining therefrom three-dimensional shapes of said objects.

31. The imaging device defined in claim 30 wherein said analyzing component includes means for performing automated diagnoses based in part on image information derived from said scanner sensor signals.