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    • 1. 发明专利
    • DE68905667T2
    • 1993-07-08
    • DE68905667
    • 1989-05-24
    • FUJITSU LTDNAKAYAMA KIYOSHI
    • NAKAYAMA KIYOSHISHIBA AKIRA
    • A61B8/06A61B8/08A61B8/14G01H3/12G01S7/52G01S15/89A61B8/00
    • Ultrasound diagnostic equipment for diagnosing a region of interest (ROI) of an organ by using a scattering coefficient and an attenuation slope, which comprises a scattering power calculation unit (6) for calculating a scattering spectrum of the region of interest (ROI), a cumulative attenuation slope calculation unit (8) for calculating a cumulative attenuation slope of the intervening tissue between a body surface (BS) and a position (SV1 SV2) of blood close to the region of interest (ROI) by using a scattering coefficient of blood which is previously known, and a scattering coefficient calculation unit (6) for calculating a scattering coefficient calculation unit (6) for calculating a scattering coefficient of the region of interest (ROI) by using the calculated cumulative attenuation slope of the intervening tissue between body surface and the blood close to the region of interest (ROI). Therefore, a scattering coefficient and an attenuation slope of the region of interest (ROI) can be calculated with high accuracy, and the region of interest (ROI) can be exactly diagnosed by the calculated scattering coefficient and the attenuation slope thereof.
    • 2. 发明专利
    • DE68905667D1
    • 1993-05-06
    • DE68905667
    • 1989-05-24
    • FUJITSU LTDNAKAYAMA KIYOSHI
    • NAKAYAMA KIYOSHISHIBA AKIRA
    • A61B8/06A61B8/08A61B8/14G01H3/12G01S7/52G01S15/89A61B8/00
    • Ultrasound diagnostic equipment for diagnosing a region of interest (ROI) of an organ by using a scattering coefficient and an attenuation slope, which comprises a scattering power calculation unit (6) for calculating a scattering spectrum of the region of interest (ROI), a cumulative attenuation slope calculation unit (8) for calculating a cumulative attenuation slope of the intervening tissue between a body surface (BS) and a position (SV1 SV2) of blood close to the region of interest (ROI) by using a scattering coefficient of blood which is previously known, and a scattering coefficient calculation unit (6) for calculating a scattering coefficient calculation unit (6) for calculating a scattering coefficient of the region of interest (ROI) by using the calculated cumulative attenuation slope of the intervening tissue between body surface and the blood close to the region of interest (ROI). Therefore, a scattering coefficient and an attenuation slope of the region of interest (ROI) can be calculated with high accuracy, and the region of interest (ROI) can be exactly diagnosed by the calculated scattering coefficient and the attenuation slope thereof.
    • 4. 发明公开
    • Ultrasound diagnostic equipment
    • Ultraschall-diagnischesGerät。
    • EP0343969A2
    • 1989-11-29
    • EP89305269.6
    • 1989-05-24
    • FUJITSU LIMITEDNakayama, Kiyoshi
    • Nakayama, KiyoshiShiba, Akira
    • G01H3/12A61B8/00
    • G01S15/8979A61B8/06A61B8/13G01H3/12G01S7/52036G01S7/5205
    • Ultrasound diagnostic equipment for diagnosing a region of interest (ROI) of an organ by using a scat­tering coefficient and an attenuation slope, which comprises a scattering power calculation unit (6) for calculating a scattering spectrum of the region of interest (ROI), a cumulative attenuation slope calcula­tion unit (8) for calculating a cumulative attenuation slope of the intervening tissue between a body surface (BS) and a position (SV₁ SV₂) of blood close to the region of interest (ROI) by using a scattering coefficient of blood which is previously known, and a scattering coefficient calculation unit (6) for calculating a scattering coefficient calculation unit (6) for calculating a scattering coefficient of the region of interest (ROI) by using the calculated cumulative attenuation slope of the intervening tissue between body surface and the blood close to the region of interest (ROI). Therefore, a scattering coefficient and an attenuation slope of the region of interest (ROI) can be calculated with high accuracy, and the region of interest (ROI) can be exactly diagnosed by the calculated scattering coefficient and the attenuation slope thereof.
    • 用于通过使用散射系数和衰减斜率诊断器官的感兴趣区域(ROI)的超声诊断设备,其包括用于计算感兴趣区域(ROI)的散射光谱的散射功率计算单元(6) 累积衰减斜率计算单元(8),用于通过使用血液的散射系数来计算身体表面(BS)和靠近感兴趣区域(ROI)的血液的位置(SV1 SV2)之间的介入组织的累积衰减斜率 以及散射系数计算单元(6),用于通过使用计算的身体间介质组织的累积衰减斜率来计算用于计算感兴趣区域(ROI)的散射系数的散射系数计算单元(6) 表面和血液靠近感兴趣区域(ROI)。 因此,可以高精度地计算感兴趣区域(ROI)的散射系数和衰减斜率,并且可以通过计算的散射系数及其衰减斜率来精确地诊断感兴趣区域(ROI)。