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    • 5. 发明申请
    • Universal Intraoperative Radiation Detection Probe
    • 通用术中放射检测探头
    • US20110233421A1
    • 2011-09-29
    • US13076495
    • 2011-03-31
    • Marlin O. ThurstonRichard B. Thurston
    • Marlin O. ThurstonRichard B. Thurston
    • G01T1/161
    • G01T1/161A61B6/4258
    • A radiation-detecting probe instrument has a forward working portion housing a radiation detector and a rearward user directed portion, and is in communication with a control assembly for processing and outputting signals received from the radiation detector correlative to a located radionuclide source emitting energy above 88 KeV (for Pb). The disclosed probe instrument forward portion has an annular housing having a radiation transparent tip. The radiation detector is disposed behind the radiation transparent tip. A characteristic x-ray radiation emitting wafer (e.g., Pb) is disposed either between or behind the radiation transparent tip and the radiation detector. A radiation resistant (e.g., W) shield is disposed between the annular housing and the radiation detector and the characteristic x-ray emission wafer. Radiation emitted from the radionuclide source strikes the wafer causing the wafer to emit the characteristic x-ray radiation of the wafer material, which strikes the radiation detector for generating signals for communication to the said control assembly.
    • 放射线检测探头仪器具有容纳放射线检测器和向后用户指向部分的前向工作部分,并且与控制组件通信,用于处理和输出从辐射检测器接收的信号,该辐射检测器与放射性核素源相关,发射能量高于88 KeV(Pb)。 所公开的探针仪器前部具有具有辐射透明尖端的环形壳体。 辐射检测器设置在辐射透明尖端的后面。 特征X射线辐射发射晶片(例如,Pb)设置在辐射透明尖端和辐射检测器之间或之后。 防辐射(例如,W)屏蔽设置在环形壳体和辐射检测器和特征X射线发射晶片之间。 从放射性核素源发射的辐射撞击晶片,导致晶片发射晶片材料的特征X射线辐射,其撞击辐射检测器以产生用于与所述控制组件通信的信号。
    • 6. 发明申请
    • Universal Intraoperative Radiation Detection Probe
    • 通用术中放射检测探头
    • US20100249583A1
    • 2010-09-30
    • US12730324
    • 2010-03-24
    • Marlin O. ThurstonRichard B. Thurston
    • Marlin O. ThurstonRichard B. Thurston
    • A61B6/00G01T1/161G01T1/166G01T1/202G01T1/24G01T7/00
    • G01T1/161A61B6/4258
    • A radiation-detecting probe instrument has a forward working portion housing a radiation detector and a rearward user directed portion, and is in communication with a control assembly for processing and outputting signals received from the radiation detector correlative to a located radionuclide source emitting energy above about 80 KeV. The disclosed probe instrument forward portion has an annular housing having a radiation transparent tip. The radiation detector is disposed behind the radiation transparent tip. A K alpha radiation emitting wafer (e.g., Pb) wafer is disposed between the radiation transparent tip and the radiation detector. A radiation resistant (e.g., W) shield is disposed between the annular housing and the radiation detector and the Pb wafer. Radiation emitted from the radionuclide source strikes the Pb wafer causing the Pb wafer to emit K alpha radiation, which strikes the radiation detector for generating signals for communication the said control assembly.
    • 放射线检测探针仪器具有容纳放射线检测器和向后用户指向部分的前向工作部分,并且与控制组件通信,用于处理和输出从辐射检测器接收的信号,所述信号与放射性核素源相关,所述放射性核素源发射超过约 80 KeV。 所公开的探针仪器前部具有具有辐射透明尖端的环形壳体。 辐射检测器设置在辐射透明尖端的后面。 K辐射发射晶片(例如,Pb)晶片设置在辐射透射尖端和辐射检测器之间。 防辐射(例如W)屏蔽设置在环形外壳和辐射检测器和Pb晶片之间。 从放射性核素源发射的辐射撞击Pb晶片,导致Pb晶片发射Kα辐射,该辐射探测器用于产生用于通信所述控制组件的信号。
    • 8. 发明申请
    • Detection and Localized Imaging of Cancer Using X-Ray Fluorescent Nanoparticle/Preferential Locator Conjugates
    • 使用X射线荧光纳米颗粒/优先定位器缀合物检测和定位癌症
    • US20090208417A1
    • 2009-08-20
    • US12365939
    • 2009-02-05
    • Marlin O. ThurstonVishwanath V. Subramaniam
    • Marlin O. ThurstonVishwanath V. Subramaniam
    • A61K49/08
    • A61K49/0428B82Y5/00
    • A method for detecting gold or other nanoparticles conjugated to preferential locators commences by contacting tissue suspected of being neoplastic with gold nanoparticle/preferential locator conjugates for a time adequate for the conjugates to bind with the tissue. A beam of gamma photons (such as from, 99mTc) is directed at the conjugate bound tissue to remove electrons from the K-shell or L-shell, for example, of the gold nanoparticles. The removed electrons can be detected for locating neoplastic tissue or X-ray fluorescence corresponding to an electron transitioning from one shell to another shell can be detected, or by detecting resulting X-ray fluorescence corresponding to an electron transitioning from one shell to another shell, such as X-ray fluorescence arising from K-alpha emission corresponding to an electron transitioning from the L shell to the K shell. Additional X-ray fluorescing detecting molecules include Ag, I, Fe, Tc, Zn, Mn, Cr (trivalent).
    • 用于检测与优先定位器缀合的金或其他纳米颗粒的方法是通过将疑似肿瘤的组织与金纳米颗粒/优先定位剂缀合物接触足以使结合物与组织结合的时间开始的。 伽马光子束(例如,99mTc)被引导到缀合物结合的组织以从例如金纳米颗粒的K-壳或L-壳去除电子。 可以检测去除的电子以定位肿瘤组织,或者可以检测对应于从一个壳向另一个壳转化的电子的X射线荧光,或通过检测对应于从一个壳转移到另一个壳的电子转移的所得X射线荧光, 例如对应于从L壳向K壳转移的电子的K-α发射产生的X射线荧光。 另外的X射线荧光检测分子包括Ag,I,Fe,Tc,Zn,Mn,Cr(三价)。