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    • 52. 发明授权
    • Controlled electroporation and mass transfer across cell membranes
    • US06562604B2
    • 2003-05-13
    • US09863117
    • 2001-05-22
    • Boris RubinskyYong Huang
    • Boris RubinskyYong Huang
    • C12N1300
    • 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.
    • 55. 发明授权
    • Magnetic resonance imaging assisted cryosurgery
    • 磁共振成像辅助冷冻手术
    • US5706810A
    • 1998-01-13
    • US461253
    • 1995-06-02
    • Boris RubinskyJohn GilbertSan WongMark RoosGrant Pease
    • Boris RubinskyJohn GilbertSan WongMark RoosGrant Pease
    • A61B18/02A61B19/00G01R33/28G01R33/561A61B5/055
    • 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 controlled 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。 使用来自冻结区域的能量方程的解和来自未冻结区域的温度测量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。
    • 56. 发明授权
    • Directional solidification for the controlled freezing of biomaterials
    • 用于生物材料受控冷冻的定向凝固
    • US4531373A
    • 1985-07-30
    • US664164
    • 1984-10-24
    • Boris Rubinsky
    • Boris Rubinsky
    • A01N1/02F25D13/06F26B5/06G01N1/42
    • G01N1/42A01N1/02A01N1/0257F25D13/062F26B5/06
    • Controlled freezing of a material (12) is accomplished by positioning an aliquot of the material (12) upon one surface (26) of a longitudinally extending substrate (14). First (30) and second (36) bases are provided each having heat transfer surfaces (32,40) which are adapted to sit in heat transfer relation with the other surface (24) of the substrate (14). The temperature of the first base (30) is controlled to be above the freezing temperature of the material (12). The temperature of the second base (36) is controlled to be below the freezing temperature of the material (12). The substrate (14) is moved longitudinally across the first base (30) in the direction of second base (36) while maintaining heat transfer relation of both bases (30,36) with the first surface (24) of the substrate (14). The frezzing rate of the material (12) is closely controlled and frozen material (12) can be produced in a continuous process.
    • 通过将材料(12)的等分试样定位在纵向延伸的基底(14)的一个表面(26)上来实现材料(12)的受控冷冻。 提供第一(30)和第二(36)基座,每个基座具有适于与衬底(14)的另一表面(24)保持热传递关系的传热表面(32,40)。 第一基座(30)的温度被控制为高于材料(12)的冷冻温度。 将第二基座(36)的温度控制在材料(12)的冷冻温度以下。 基板(14)沿着第二基座(36)的方向纵向移动穿过第一基座(30),同时保持两个基座(30,36)与基板(14)的第一表面(24)的热传递关系, 。 材料(12)的高效率被严格控制,冷冻材料(12)可以连续生产。
    • 59. 发明授权
    • Electroporation to deliver chemotherapeutics and enhance tumor regression
    • 电穿孔提供化学治疗和增强肿瘤消退
    • US08298222B2
    • 2012-10-30
    • US12430336
    • 2009-04-27
    • Boris RubinskyJon EddLiana Horowitz
    • Boris RubinskyJon EddLiana Horowitz
    • A61B18/10
    • A61N1/327A61B18/1477A61B2018/1425A61N1/0412A61N1/0472
    • A method is disclosed for disrupting capillary blood flow and trapping materials such as chemotherapeutic agents in undesirable tissue, including cells of a cancerous or non-cancerous tumor. The method involves the placement of electrodes into or near the vicinity of capillary vessels supplying blood to capillaries in the undesirable tissue, and application of electrical pulses causing capillary blood flow disruption. In some cases, the electric pulses irreversibly permeate the cell membranes, thereby invoking cell death. The irreversibly permeabilized cells are left in situ and are removed by the body's immune system. The process may further comprise monitoring blood flow and/or infusion of a material such as a chemotherapeutic agent or marker into the blood.
    • 公开了一种用于破坏毛细血管血流并将诸如化学治疗剂的材料捕获在不期望的组织中的方法,包括癌性或非癌性肿瘤的细胞。 该方法包括将电极放置在向不想要的组织中的毛细血管供应血液的毛细血管附近或附近,以及施加引起毛细血管血流破裂的电脉冲。 在某些情况下,电脉冲不可逆地渗透细胞膜,从而引起细胞死亡。 不可逆透化的细胞留在原位,并被身体的免疫系统除去。 该方法还可以包括监测血液流动和/或将诸如化学治疗剂或标记物的材料输注到血液中。