Stereoscopic three or four dimensional ultrasound imaging

• US 20060173338A1
• Filed: 01/24/2005
• Published: 08/03/2006
• Est. Priority Date: 01/24/2005
• Status: Active Grant

• Current Assignee: Siemens Medical Solutions USA Incorporated (Siemens AG)
• Original Assignee: Siemens Medical Solutions USA Incorporated (Siemens AG)
• Inventors: Phelps, Robert N., Ma, Qinglin, Lowery, Carol M., Hopple, Jerry D., Raitzer, Gerald A., Waataja, David A., Marquis, Steven R.
• Granted Patent: US 7,563,228 B2
• Time in Patent Office: Days
• US Class Current: 600/456
• CPC Class Codes: A61B 8/00 Diagnosis using ultrasonic, sonic or infrasonic waves imaging of objects using sonar G01S15/00
• 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: A61B 8/14 Echo-tomography
• CPC Class Codes: A61B 8/462 characterised by constructional features of the display
• CPC Class Codes: A61B 8/463 characterised by displaying multiple images or images and diagnostic data on one display composite display in devices for short-range imaging with acoustic waves G01S7/52074
• CPC Class Codes: A61B 8/483 involving the acquisition of a 3D volume of data
• CPC Class Codes: A61B 8/488 involving Doppler signals

Abstract

Medical diagnostic ultrasound stereo imaging is provided. A medical diagnostic ultrasound system operable to scan a body with ultrasound is also operable to generate a three dimensional stereoscopic view of the body. The video processing unit and/or display device create the stereoscopic display.

Claims

1. A system for medical diagnostic ultrasound imaging, the system comprising:

an ultrasound imaging system operable to generate data representing a body with an ultrasound transducer, the ultrasound imaging system comprising a three-dimensional image processor operable to render first and second three-dimensional representations as a function of the data, the first and second three-dimensional representations corresponding to first and second different viewing angles, respectively; and

a stereoscopic display operable to display the first and second three-dimensional representations.

2. The system of claim 1 wherein the stereoscopic display comprises a head mounted device.

3. The system of claim 2 wherein the head mounted device comprises a head mounted display.

4. The system of claim 2 wherein the head mounted device comprises a shutter device, a polarized device, or combinations thereof, and wherein the stereoscopic display further comprises a display device spaced from the head mounted device, the display device operable to display the first and second three-dimensional representations in conjunction with operation of the head mounted device.

5. The system of claim 1 wherein the ultrasound imaging system comprises a transmit beamformer, a receive beamformer, a detector and a graphic overlay processor operable to generate text for at least one of the first and second three-dimensional representations.

6. The system of claim 1 wherein the first and second three-dimensional representations are positioned in first and second sub-fields of a data frame, wherein the ultrasound imaging system further comprises:

a synchronization circuit operable to increase a synchronization rate associated with the data frame; and

a video processing unit operable to separate the first and second three-dimensional representations from the first and second sub-fields of the data frame and generate sequential display of the first and second three-dimensional representations as a function of the increased synchronization rate.

7. The system of claim 6 wherein the video processing unit is operable to select between operation in a stereoscopic mode and a monoscopic mode as a function of a characteristic of a synchronization pulse output by the synchronization circuit.

8. The system of claim 6 wherein the stereoscopic display comprises a display and a shutter device, the display operable to display the first and second three-dimensional representations in sequence, and the shutter device operable to limit exposure to the first three-dimensional representation to a left eye and exposure to the second three-dimensional representation to a right eye.

9. The system of claim 1 wherein the ultrasound imaging system further comprises a video processing unit operable to sequentially receive the first and second three-dimensional representations at over 100 Hertz, and wherein the stereoscopic display comprises a switching polarizing panel operable to provide a different polarization for the first three-dimensional representation than for the second three-dimensional representation.

10. The system of claim 1 wherein the ultrasound imaging system comprises first and second video paths connected with first and second displays of the stereoscopic display for the first and second three-dimensional representations, respectively.

11. The system of claim 1 wherein the ultrasound imaging system comprises a video processing unit operable to composite a first portion of an overlay graphic on the first three-dimensional representation and to composite a second portion of the overlay graphic on the second three-dimensional representation, the first portion different than the second portion.

12. The system of claim 11 wherein the first and second three-dimensional representations are of a same region, and wherein the stereoscopic display is operable to stereoscopically display the region and monoscopically display the overlay graphic with stereoscopic display of the region.

13. The system of claim 1 where the ultrasound imaging system comprises a plurality of output ports operable in conjunction with the stereoscopic display.

14. The system of claim 1 wherein the ultrasound imaging system comprises a user input, the user input controlling operation of the ultrasound imaging system and operable to select between monoscopic and stereoscopic imaging.

28. The system of claim 1 wherein the ultrasound imaging system further comprises a memory operable to (a) store the data representing the body, the three-dimensional image processor operable to render from the stored data, (b) store the first and second three-dimensional representations, the stereoscopic display operable to display as a function of the stored first and second three-dimensional representations, or (3) combinations thereof.

15. A method for medical diagnostic ultrasound imaging, the method comprising:

acquiring ultrasound data representing a region with an ultrasound imaging system;

rendering with the ultrasound imaging system first and second three-dimensional representations of the region from first and second, different viewing directions, respectively;

generating with the ultrasound imaging system a stereoscopic display of the region with the first and second three-dimensional representations.

16. The method of claim 15 wherein generating the stereoscopic display comprises displaying on first and second head mounted displays.

17. The method of claim 15 wherein generating the stereoscopic display comprises viewing the first and second three-dimensional representations through different polarization or color, switchable shutters or combinations thereof.

18. The method of claim 15 wherein acquiring comprises generating a transmit beam, forming a receive beam in response to the transmit beam, and detecting data from the receive beam, and wherein rendering comprises rendering from the detected data.

19. The method of claim 15 further comprising:

merging the first and second three-dimensional representations into first and second sub-fields of a data frame;

doubling a synchronization signal for the data frame; and

separating the first and second three-dimensional representations from the first and second sub-fields of the data frame;

wherein generating the stereoscopic display comprises sequentially outputting the first and second three-dimensional representations as a function of the doubled synchronization signal and limiting exposure to the first three-dimensional representation to a left eye and exposure to the second three-dimensional representation to a right eye as a function of the doubled synchronization signal.

20. The method of claim 15 further comprising:

switching between monoscopic and stereoscopic modes as a function of a characteristic of a synchronization pulse.

21. The method of claim 15 wherein generating comprises sequentially receiving the first and second three-dimensional representations at over 100 Hertz, and switching a polarizing panel operable to provide a different polarization for the first three-dimensional representation than for the second three-dimensional representation.

22. The method of claim 15 wherein generating comprises outputting the first and second three-dimensional representations on separate paths at a substantially same time.

23. The method of claim 15 further comprising compositing a first portion of an overlay graphic on the first three-dimensional representation and compositing a second portion of the overlay graphic on the second three-dimensional representation, the first portion different than the second portion.

24. The method of claim 23 wherein the region is stereoscopically displayed and the overlay graphic is monoscopically displayed with stereoscopic display of the region.

25. The method of claim 15 wherein generating comprises generating the stereoscopic display for a plurality of people at a same time.

26. The method of claim 15 further comprising selecting between monoscopic and stereoscopic imaging in response to use input.

27. A system for medical diagnostic ultrasound imaging, the system comprising:

a medical diagnostic ultrasound imaging system having a video processing unit operable to output first and second three-dimensional representations of a same region at first and second viewing angles, respectively;

a display operable to display the first and second three-dimensional representations; and

a head mounted device operable in conjunction with the display to provide a stereoscopic display of the region.