Ultrasonic tissue imaging method and apparatus with doppler velocity and acceleration processing
Patent 5285788 Issued on February 15, 1994. Estimated Expiration Date: 
October 16, 2012. 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.
October 16, 2012. 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.Patent ReferencesMethod and apparatus for breast imaging and tumor detection using modal vibration analysis Steered linear color doppler imaging Ultrasonic blood flow imaging apparatus Ultrasonic Doppler flow measurement system with tissue motion discrimination Patent #: 5197477 InventorsApplicationNo. 962145 filed on 10/16/1992US Classes:600/441, Having B-scan and Doppler600/442, Tissue attenuation or impedance measurement or compensation600/443, Anatomic image produced by reflective scanning600/458Contrast enhancementExaminersPrimary: Kamm, William E.Assistant: Manuel, George Attorney, Agent or FirmInternational ClassA61B 008/00AbstractAn ultrasound tissue imaging system having an acoustic transducer, B-mode imaging means to produce with said transducer an electronically scanned B-mode image of tissue under examination, Doppler imaging means that accepts and processes large amplitude, low frequency signals to produce with said transducer an electronically scanned acoustic image of moving tissue, and color display means for displaying the B-mode image as a two-dimensional image with echo intensities encoded using a first mapping function and for simultaneously displaying Doppler information from moving tissue as a two-dimensional image using a second and distinct mapping function that is spatially coordinated with and superimposed upon said B-mode image to augment the B-mode image.Other References
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