Patent 5842473 Issued on December 1, 1998. Estimated Expiration Date: November 24, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
A three-dimensional ultrasound imaging system includes an ultrasound probe to direct ultrasound waves to and to receive reflected ultrasound waves from a target volume of a subject under examination. The ultrasound probe is swept over the target volume along a linear scanning path and the reflected ultrasound waves are conveyed to a computer wherein successive two-dimensional images of the target volume are digitized. The digitized two-dimensional images can be used to generate a three-dimensional image with virtually no delay. A user interface allows a user to manipulate the displayed image. Specifically, the entire displayed image may be rotated about an arbitrary axis, a surface of the displayed image may be translated to provide different cross-sectional views of the image and a selected surface of the displayed image may be rotated about an arbitrary axis. All of these manipulations can be achieved via a single graphical input device such as a mouse connected to the computer.
Other References
Three-Dimensional Reconstruction Of Echocardiograms Based On Orthogonal Sections, Shinichi Tamura, et al., Pattern Recognition, 1985, vol. 18, No. 2, pp. 115-124; Shape Reconstruction From Planar Cross Sections, J. Daniel Boissonnat; Computer Vision, Graphics, etc. vol. 44, pp. 1-29
Wollschlager, et al., WO 90/13259, 15 Nov. 1990, "Device For Transoesophagal Echocardiography," Abstract
Chapelon, et al., WO 92/15253, 17 Sep. 1992, "Therapeutic Endo-Rectal Probe, In Particular For Treatment of Prostatic Cancer," Abstract
Roth, WO 91/03792, 21 Mar. 1991, "System and Method for Transforming Two Dimensional Signals of a Hand Held Sector Transducer Into Three Dimensional Signals," Abstract
Webler, et al., WO 94/00052, 6 Jan. 1994, "Automated Position Translator For Ultrasonic Imaging Probe," Abstract
McCann, A., et al., "Multidimensional Ultrasonic Imaging for Cardiology," Proc. IEEE, vol. 76, No. 9, Sep. 1988, New York, USA, pp. 1063-1072
Goddard, J., et al., "3-D Ultrasound Angiograms From Color Flow Mapping Images," Oct. 31, 1991
Proc. Annual Intl. Conf. IEEE Engineering in Medicine and Biology Soc., vol. 13, 31 Oct. 1991, Orlando, Florda, USA, pp. 146-147
Halliwell, M., et al., "New Scans from Old: Digital Reformatting of Ultrasound Images," Brit. J. Radiol., vol. 62, No. 741, Sep.1989, UK, pp. 824-829
Boissant, J.D., "Shape Reconstruction From Planar Cross Sections," Computer Vision, Graphics, and Image Processing, Oct. 1988, vol. 44, No. 1, ISSN 0734-189X, pp. 1-29
Picot, P.A., et al., "Three-Dimensional Colour Doppler Imaging of the Carotid Artery," SPIE, vol. 1444, pp. 206-213 (1991)
Rankin, R.N., et al., "Three-Dimensional Sonographic Reconstruction: Techniques and Diagnostic Applilcations," AJR (1993); 161, pp. 695-702
Picot, P.A., et al., "Three-Dimensional Colour Doppler Imaging," Ultrasound in Med. & Biol., vol. 19, No. 2, pp. 95-104 (1993)
Tamura, S., et al., "Three-Dimensional Reconstruction of Echocardiograms Based on Orthogonal Sections," Pattern Recognition, vol. 18, No. 2, ISSN 0031-3203, pp. 115-12
November 24, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
