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    • 3. 发明申请
    • NON-INVASIVE IMAGING FOR DETERMINATION OF GLOBAL TISSUE CHARACTERISTICS
    • 非侵入式成像确定全球组织特征
    • US20080119718A1
    • 2008-05-22
    • US12019457
    • 2008-01-24
    • William HundleyCraig HamiltonKimberly LaneTim MorganFrank Torti
    • William HundleyCraig HamiltonKimberly LaneTim MorganFrank Torti
    • A61B5/00
    • A61B5/0033A61B5/055A61B5/42A61B5/4519A61B6/032A61B6/503A61B6/504A61B6/506G01R33/281G01R33/56G06T7/0014G06T7/41G06T2200/24G06T2207/10088G06T2207/30048
    • Evaluating tissue characteristics including identification of injured tissue or alteration of the ratios of native tissue components such as shifting the amounts of normal myocytes and fibrotic tissue in the heart, identifying increases in the amount of extracellular components or fluid (like edema or extracellular matrix proteins), or detecting infiltration of tumor cells or mediators of inflammation into the tissue of interest in a patient, such as a human being, is provided by obtaining a first image of tissue including a region of interest from a first acquisition, for example, after administration of a contrast agent to the patient, and obtaining a second image of the tissue including the region of interest during a second, subsequent acquisition, for example, after administration of a contrast agent to the patient. The subsequent acquisition may be obtained after a period of time to determine if injury has occurred during that period of time. The region of interest may include heart, blood, muscle, brain, nerve, skeletal, skeletal muscle, liver, kidney, lung, pancreas, endocrine, gastrointestinal and/or genitourinary tissue. A global characteristic of the region of interest of the first image and of the second image is determined to allow a comparison of the global characteristic of the first image and the second image to determine a potential for a change in global tissue characteristics. Such a comparison may include comparison of mean, average characteristics, histogram shape, such as skew and kurtosis, or distribution of intensities within the histogram.
    • 评估组织特征,包括识别损伤的组织或改变天然组织成分的比例,例如改变心脏中正常心肌细胞和纤维组织的量,鉴定细胞外组分或液体量的增加(如水肿或细胞外基质蛋白) 或通过例如在给药后从第一次采集获得包括感兴趣区域的组织的第一图像来提供肿瘤细胞或炎症介质的浸润到患者(例如人)中的感兴趣组织中 的造影剂,并且在第二次后续获取期间,例如在向患者施用造影剂之后,获得包括感兴趣区域的组织的第二图像。 随后的收购可能会在一段时间后获得,以确定在此期间是否发生损伤。 感兴趣的区域可以包括心脏,血液,肌肉,脑,神经,骨骼,骨骼肌,肝,肾,肺,胰腺,内分泌,胃肠和/或泌尿生殖组织。 确定第一图像和第二图像的感兴趣区域的全局特征,以允许比较第一图像和第二图像的全局特征,以确定全局组织特征变化的可能性。 这种比较可以包括平均值,平均特征,直方图形状(例如偏斜和峰度)或直方图内的强度分布的比较。
    • 5. 发明申请
    • Non-invasive imaging for determination of global tissue characteristics
    • 用于确定全局组织特征的非侵入性成像
    • US20050215883A1
    • 2005-09-29
    • US11051304
    • 2005-02-04
    • William HundleyCraig HamiltonKimberly LaneTim MorganFrank Torti
    • William HundleyCraig HamiltonKimberly LaneTim MorganFrank Torti
    • A61B5/05A61B5/055A61B6/03G01R33/28G01R33/56G06T7/00
    • A61B5/0033A61B5/055A61B5/42A61B5/4519A61B6/032A61B6/503A61B6/504A61B6/506G01R33/281G01R33/56G06T7/0014G06T7/41G06T2200/24G06T2207/10088G06T2207/30048
    • Evaluating tissue characteristics including identification of injured tissue or alteration of the ratios of native tissue components such as shifting the amounts of normal myocytes and fibrotic tissue in the heart, identifying increases in the amount of extracellular components or fluid (like edema or extracellular matrix proteins), or detecting infiltration of tumor cells or mediators of inflammation into the tissue of interest in a patient, such as a human being, is provided by obtaining a first image of tissue including a region of interest from a first acquisition, for example, after administration of a contrast agent to the patient, and obtaining a second image of the tissue including the region of interest during a second, subsequent acquisition, for example, after administration of a contrast agent to the patient. The subsequent acquisition may be obtained after a period of time to determine if injury has occurred during that period of time. The region of interest may include heart, blood, muscle, brain, nerve, skeletal, skeletal muscle, liver, kidney, lung, pancreas, endocrine, gastrointestinal and/or genitourinary tissue. A global characteristic of the region of interest of the first image and of the second image is determined to allow a comparison of the global characteristic of the first image and the second image to determine a potential for a change in global tissue characteristics. Such a comparison may include comparison of mean, average characteristics, histogram shape, such as skew and kurtosis, or distribution of intensities within the histogram.
    • 评估组织特征,包括识别损伤的组织或改变天然组织成分的比例,例如改变心脏中正常心肌细胞和纤维组织的量,鉴定细胞外组分或液体量的增加(如水肿或细胞外基质蛋白) 或通过例如在给药后从第一次采集获得包括感兴趣区域的组织的第一图像来提供肿瘤细胞或炎症介质的浸润到患者(例如人)中的感兴趣组织中 的造影剂,并且在第二次后续获取期间,例如在向患者施用造影剂之后,获得包括感兴趣区域的组织的第二图像。 随后的收购可能会在一段时间后获得,以确定在此期间是否发生损伤。 感兴趣的区域可以包括心脏,血液,肌肉,脑,神经,骨骼,骨骼肌,肝,肾,肺,胰腺,内分泌,胃肠和/或泌尿生殖组织。 确定第一图像和第二图像的感兴趣区域的全局特征,以允许比较第一图像和第二图像的全局特征,以确定全局组织特征变化的可能性。 这种比较可以包括平均值,平均特征,直方图形状(例如偏斜和峰度)或直方图内的强度分布的比较。