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    • 6. 发明授权
    • Method and apparatus for modifying distance from a brachytherapy radiation source to sensitive anatomical structures
    • 用于修改从近距离放射治疗辐射源到敏感解剖结构的距离的方法和装置
    • US07771340B2
    • 2010-08-10
    • US11881835
    • 2007-07-28
    • Steve AxelrodJames E. JervisPaul A. Lovoi
    • Steve AxelrodJames E. JervisPaul A. Lovoi
    • A61N5/00
    • A61M25/1011A61B2017/22069A61M25/1002A61M2025/1061A61N5/1015
    • A balloon brachytherapy applicator has either a single or double chambers, with the capability of “blistering” outwardly at a specified area on one side of the balloon. This is useful to move sensitive tissue farther away from a radiation source within a source guide inside the balloon. In one case a secondary compartment is formed on the primary balloon, and is separately inflatable so as to allow blistering as desired when needed. In another form the balloon comprises a single chamber but with a “window” or area in which the balloon wall is elastic, or substantially more elastic than the main balloon wall, so that inflation of the balloon up to a certain point forms a substantially regular balloon shape, and the addition of further pressure will blister out the elastic area to increase the distance between the shaft and the sensitive tissue in a desired orientation of the balloon.
    • 气球近距离放射治疗器具有单室或双室,在气球一侧的指定区域处具有“起泡”的能力。 这对于使敏感组织更远离辐射源在气囊内的源引导件内是有用的。 在一种情况下,次级隔室形成在主气囊上,并且可分开地充气,以便在需要时允许起泡。 在另一种形式中,球囊包括单个腔室,但是具有“窗口”或其中球囊壁具有弹性的区域或者比主气囊壁基本上更有弹性的区域,使得球囊到达某一点的膨胀形成基本上规则的 气球形状,并且增加进一步的压力将使弹性区域膨胀,从而在气球的期望取向上增加轴与敏感组织之间的距离。
    • 10. 发明授权
    • Nuclear gauge
    • 核计
    • US5315124A
    • 1994-05-24
    • US856382
    • 1992-03-20
    • John D. GossSteve AxelrodMathew BoissevainPhilip M. HeglandScott C. Wiley
    • John D. GossSteve AxelrodMathew BoissevainPhilip M. HeglandScott C. Wiley
    • G01N23/16G01B5/02G21F5/015G21F5/02
    • G21F5/02
    • A nuclear gauge for making measurements of traveling webs in continuous sheet-making processes includes an enclosure, an encapsulated nuclear source, and a wheel-like member mounted in the enclosure means for carrying the encapsulated nuclear source between two angularly-displaced positions. The first of the angularly-displaced positions is the position where the encapsulated nuclear source makes measurements of a web that travels past the gauge and the second position is the location where the encapsulated nuclear source faces a sidewall of the enclosure means at a location remote from the first position. The nuclear gauge also has an aperture which is formed through the enclosure for providing a window through which the encapsuled nuclear source, when located in the first position, can emit radiation onto a web that travels past the window.
    • 用于在连续片材制造方法中测量行进幅材的核计量器包括外壳,封装的核源和安装在外壳装置中的轮状构件,用于在两个角度位移位置之间承载封装的核源。 角位移位置中的第一个是封装的核源测量行进通过量规的幅材的位置,而第二位置是封装的核源面向外壳的侧壁的位置,远离 第一名。 核计量器还具有通过外壳形成的孔,用于提供窗口,当位于第一位置时,封装的核源可以通过该窗口将辐射发射到穿过窗户的网上。