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    • 12. 发明授权
    • Device and method for detection, localization, and characterization of
inhomogeneities in turbid media
    • 用于检测,定位和表征混浊介质中不均匀性的装置和方法
    • US5752519A
    • 1998-05-19
    • US725239
    • 1996-10-04
    • David A. BenaronBoris Rubinsky
    • David A. BenaronBoris Rubinsky
    • A61B5/00A61B17/00A61B17/068A61B18/00A61B18/14G01N21/47A61B6/00
    • A61B5/6848A61B18/00A61B5/0075A61B5/0084A61B5/14553G01N21/4795A61B17/068A61B18/14A61B2017/00022A61B2017/00123A61B2017/00508A61B2017/00557A61B2560/0276A61B2562/0242A61B2562/08A61B5/0073
    • The present invention provides a detection or imaging device and method that measures an effect upon the path traveled by a radiative wave through a medium where scattering of the radiative wave is strong, and uses this measured path effect to detect, localize, or characterize inhomogeneities in the medium, as well as of the medium itself, over time or space. In this embodiment, a radiative source (43), temporally modulated or intensity quantitated, is emitted into the medium (47). A detector (48) records radiative effects detected after travel through said medium, and the detected signal is measured for a path effect (45). Based upon one or more of these path effects, such as the distance the latest arriving photons have traveled, a quantifiable parameter of the medium is determined (49). This parameter can be the location, distance, speed, or other characteristic of the medium or inhomogeneity. Measurement over space provides additional information as to spatial distribution; measurement over time provides information as to temporal changes in the medium. The device has application in medical and industrial imaging, detection, and localization of objects and other inhomogeneities, as well as characterization of the medium itself, in media which highly scatters radiative waves emitted into the medium.
    • 本发明提供了一种检测或成像装置和方法,其测量对辐射波通过辐射波散射强的介质对路径的影响,并使用该测量的路径效应来检测,定位或表征不均匀性 媒介以及媒体本身,随着时间或空间。 在该实施例中,将经时间调制或强度定量的辐射源(43)发射到介质(47)中。 检测器(48)记录在行进通过所述介质之后检测到的辐射效应,并且测量检测到的信号的路径效应(45)。 基于这些路径效应中的一个或多个,例如最近到达的光子已经行进的距离,确定介质的可量化参数(49)。 该参数可以是介质的位置,距离,速度或其他特性或不均匀性。 空间测量提供了关于空间分布的更多信息; 时间的测量提供关于介质中的时间变化的信息。 该装置在医疗和工业成像,物体和其他不均匀性的检测和定位以及介质本身的表征中的应用,在高度散射辐射到介质中的辐射波的介质中。
    • 13. 发明授权
    • Magnetic resonance imaging assisted cryosurgery
    • 磁共振成像辅助冷冻手术
    • US5433717A
    • 1995-07-18
    • US35455
    • 1993-03-23
    • Boris RubinskyJohn GilbertSam WongMark RoosGrant Pease
    • Boris RubinskyJohn GilbertSam WongMark RoosGrant Pease
    • A61B18/02A61B19/00G01R33/28G01R33/561A61B17/36
    • A61B18/02G01R33/28A61B2018/0262A61B2090/374A61B90/10G01R33/56308
    • Methods and apparatus for magnetic resonance imaging (MRI) assisted cryosurgery. Optimal probe placements and cooling parameters are calculated prior to cryosurgery using MRI data. A MRI compatible cryoprobe and a stereotactic probe positioning device are provided. The resolution of MR images is enhanced by mounting a radio frequency MR coil on the intracorporeal end of a cryoprobe. During cryosurgery the temperature distribution in the frozen region is solved by determining the boundary of the frozen region and solving the heat equation for the known boundary conditions. During cryosurgery the temperature distribution in the unfrozen region is determined by T1 measurements. The process of freezing is controled using information from the solution of the energy equation in the frozen region and temperature measurements in the unfrozen region. After cryosurgery the extent of the tissue damage may be ascertained using phosphorus-31 and/or sodium-23 spectroscopy with a special coil set on the cryosurgical probe.
    • 磁共振成像(MRI)辅助冷冻手术的方法和装置。 在使用MRI数据进行冷冻手术之前计算最佳探针放置和冷却参数。 提供MRI兼容的冷冻探针和立体定向探针定位装置。 通过将射频MR线圈安装在冷冻探针的体内末端来增强MR图像的分辨率。 在冷冻手术中,通过确定冻结区域的边界并求解已知边界条件的热方程来解决冻结区域的温度分布。 在冷冻手术中,未冻结区域的温度分布由T1测量确定。 使用冷冻区域的能量方程和未冻结区域的温度测量解的信息来控制冷冻过程。 在冷冻手术之后,可以使用在冷冻手术探针上设置的特殊线圈的磷-31和/或钠-23光谱来确定组织损伤的程度。
    • 14. 发明授权
    • Interaction of thermal hysteresis proteins with cells and cell membranes
and associated applications
    • 热滞后蛋白与细胞和细胞膜的相互作用及相关应用
    • US5358931A
    • 1994-10-25
    • US4919
    • 1993-01-15
    • Boris RubinskyArthur L. DevriesAmir Arav
    • Boris RubinskyArthur L. DevriesAmir Arav
    • A01N1/02A61K47/48C07K14/46A61K37/00A61K37/10
    • A01N1/02A01N1/0221A61K47/48C07K14/461
    • A newly discovered property of thermal hysteresis proteins is the interaction of these proteins with cell membranes and thus with cells themselves, protecting cells and their membranes from damage which they would otherwise suffer upon exposure to non-physiological conditions such as temperature abnormalities, including both hyperthermic, hypothermic and sub-freezing temperatures. Improved rates of cell viability are observed over a wide range of conditions which do not involve ice formation, including temperatures above the freezing range as well as temperatures below the freezing range but in vitrification conditions. Heretofore the only known property of these proteins was their ability to interact with ice crystals. In conditions in which ice crystals are formed, it is further discovered that use of the proteins with human cells at the concentrations in which they naturally occur in the source organisms results in aggravating the injury to the cells rather than reducing it, but that the injury is lessened, and the survival rate improved, by using low concentrations. The proteins thus offer benefits in the preservation and improved viability of cell suspensions, tissues and whole organs. The proteins are further discovered to have the ability to block ion channels in mammalian cell membranes, thereby providing a further utility in the treatment of disease conditions.
    • 新发现的热滞后蛋白质是这些蛋白质与细胞膜的相互作用,因此与细胞本身相互作用,保护细胞和它们的膜免受其它暴露于非生理条件(如温度异常) ,低温和低温温度。 在不涉及冰形成的宽范围条件下观察到细胞存活率的改善,包括高于冷冻范围的温度以及低于冰点范围的温度,但在玻璃化条件下。 迄今为止,这些蛋白质唯一已知的性质是它们与冰晶相互作用的能力。 在形成冰晶的条件下,进一步发现,使用蛋白质与人类细胞以其天然存在于源生物体中的浓度导致加重对细胞的损伤而不是降低细胞损伤,但是损伤 通过使用低浓度降低生存率。 因此,蛋白质在细胞悬浮液,组织和整个器官的保存和改善的活力方面提供益处。 进一步发现蛋白质具有阻止哺乳动物细胞膜中的离子通道的能力,从而提供治疗疾病状况的另外的效用。
    • 18. 发明授权
    • Controlled electroporation and mass transfer across cell membranes
    • 受控的电穿孔和跨细胞膜的传质
    • US07718409B2
    • 2010-05-18
    • US11340176
    • 2006-01-25
    • Boris RubinskyYong Huang
    • Boris RubinskyYong Huang
    • C12N13/00C12N15/01C12N15/87
    • G01N33/48728C12M35/02C12N15/87
    • Electroporation is performed in a controlled manner in either individual or multiple biological cells or biological tissue by monitoring the electrical impedance, defined herein as the ratio of current to voltage in the electroporation cell. The impedance detects the onset of electroporation in the biological cell(s), and this information is used to control the intensity and duration of the voltage to assure that electroporation has occurred without destroying the cell(s). This is applicable to electroporation in general. In addition, a particular method and apparatus are disclosed in which electroporation and/or mass transfer across a cell membrane are accomplished by securing a cell across an opening in a barrier between two chambers such that the cell closes the opening. The barrier is either electrically insulating, impermeable to the solute, or both, depending on whether pore formation, diffusive transport of the solute across the membrane, or both are sought. Electroporation is achieved by applying a voltage between the two chambers, and diffusive transport is achieved either by a difference in solute concentration between the liquids surrounding the cell and the cell interior or by a differential in concentration between the two chambers themselves. Electric current and diffusive transport are restricted to a flow path that passes through the opening.
    • 通过监测电气阻抗(以本文定义为电穿孔细胞中的电流与电压之比),以受控的方式在单个或多个生物细胞或生物组织中进行电穿孔。 阻抗检测生物细胞中电穿孔的发生,并且该信息用于控制电压的强度和持续时间,以确保电穿孔已经发生而不破坏细胞。 这适用于一般的电穿孔。 此外,公开了一种特定的方法和装置,其中穿过细胞膜的电穿孔和/或质量传递通过将细胞固定在两个室之间的屏障中的开口上而使细胞封闭开口来实现。 屏障是电绝缘的,不溶于溶质的,或两者都是,这取决于是否需要孔形成,溶质在膜上的扩散传输或两者。 通过在两个室之间施加电压来实现电穿孔,并且通过围绕电池和电池内部的液体之间的溶质浓度差或通过两个室本身之间的浓度差来实现扩散输送。 电流和漫射传输限于通过开口的流路。