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    • 96. 发明授权
    • Method, apparatus, and substance for treating tissue having neoplastic
cells
    • 用于治疗具有肿瘤细胞的组织的方法,装置和物质
    • US4989601A
    • 1991-02-05
    • US247769
    • 1988-09-22
    • Jose A. MarchoskyChristopher J. MoranNeal E. Fearnot
    • Jose A. MarchoskyChristopher J. MoranNeal E. Fearnot
    • A61F7/00A61F7/12A61N5/10
    • A61N5/1007A61F7/00A61F7/12A61N2005/1011A61N2005/1012A61N5/1027
    • Method, apparatus, and a substance is disclosed for releasing at a temperature above normal tissue temperature an anti-cancer drug and applying heat in combination to tissue having neoplastic cells such as a malignant brain tumor. The apparatus comprises a probe having a semi-rigid elongated member that is interstitially implanted in the malignant tumor. The elongated member is coated with a carrier substance that is responsive at a temperature above normal tissue temperature for releasing a carried substance such as a therapeutic anti-cancer drug. Within the elongated member, an electrical heater element produces heat when energized for heating the probe, the carrier substance, the anti-cancer drug, and the surrounding tissue. An electrical thermistor is also included within the elongated member for measuring the temperature of the probe in order to regulate the release of the drug and the temperature of the surrounding tissue. The method includes interstitially implanting the elongated member of the probe in the tumor, energizing the electrical heater element, releasing the drug in response to the heat to effect one treatment, and heating the tissue and drug to effect a second treatment. The combination of the heat and drug treatments then has an effectiveness level greater than the effectiveness levels of the heat and drug treatments individually. The coating layer substance includes a combination of a carrier and a carried substance for releasing the carried substance at a predetermined temperature above normal tissue temperature.
    • 公开的方法,装置和物质用于在高于正常组织温度的温度下释放抗癌药物,并将热量组合加到具有恶性肿瘤细胞如恶性脑肿瘤的组织中。 该装置包括具有间隔地植入恶性肿瘤中的半刚性细长构件的探针。 细长构件涂覆有在高于正常组织温度的温度下响应的载体物质,用于释放诸如治疗性抗癌药物的载体。 在细长构件内,电加热器元件在通电时产生热量,用于加热探针,载体物质,抗癌药物和周围组织。 细长构件内还包括电热敏电阻,用于测量探针的温度,以便调节药物的释放和周围组织的温度。 该方法包括将探针的细长构件间插入肿瘤中,激励电加热器元件,响应于热量释放药物以进行一次治疗,并加热组织和药物以进行第二次治疗。 然后,热和药物治疗的组合具有比单独的热和药物治疗的有效性水平更高的有效性水平。 涂层物质包括载体和携带物质的组合,用于在高于正常组织温度的预定温度下释放所携带的物质。
    • 98. 发明授权
    • Position locating device and method for interstitial radiotherapy
    • 定位装置及间质放疗方法
    • US4642096A
    • 1987-02-10
    • US626333
    • 1984-06-29
    • Harry R. Katz
    • Harry R. Katz
    • A61M5/42A61M36/04A61M36/14A61N5/10A61M5/00
    • A61M37/0069A61M5/427A61N5/1007A61N2005/1012Y10S128/06
    • Position locating device for interstitial radiotherapy of a body portion comprising a flexible sheet member for being received about and conformed with a body portion which is to receive radiotherapy, the sheet member having a plurality of spaced position locating means, and attachment means for releaseably securing the sheet member about the body portion. The position locating means of the sheet member comprises a plurality of spaced openings arranged in rows and columns, and the attachment means comprises a pair of clamping units securing a plurality of bands with the ends of the sheet member. The clamping units are detachably secured with the sheet member for being replaced and repositioned therewith and the first ends of the bands are pivotally secured with the respective clamping units, while the second ends of each of the bands of one of the clamping units is detachably securable with a corresponding one of the second ends of the bands of the other clamping unit. The method comprises positioning a flexible sheet member having a plurality of spaced openings over a body portion which is to receive interstitial radiotherapy, conforming the sheet member with the surface of the body portion and securing its position thereon, marking the locations of selected openings of the sheet member onto the surface of the body portion, and thereafter removing the sheet member from the body portion.
    • 用于身体部分的间质放射治疗的位置定位装置包括柔性片状构件,用于容纳接近放射治疗的身体部分并且与其接合,所述片状构件具有多个间隔开的位置定位装置,以及用于可释放地固定 关于身体部分的片材构件。 片状构件的位置定位装置包括以行和列布置的多个间隔的开口,并且附接装置包括一对夹持单元,该夹紧单元将多个带与片构件的端部固定在一起。 夹紧单元可拆卸地固定有片状构件以便更换并重新定位,并且带的第一端用各自的夹持单元枢轴固定,而一个夹紧单元的每个带的第二端可拆卸地固定 与另一夹紧单元的带的第二端中的对应的一个相对应。 该方法包括将具有多个间隔开的多个间隔的开口的柔性片材定位在主体部分上,该主体部分将接收间质放射治疗,使片状部件与主体部分的表面一致并固定其上的位置,标记所选择的开口的位置 片部件到主体部分的表面上,然后从主体部分移除片状部件。