Patents Represented by Attorney Houst Consulting
-
Patent number: 8348825Abstract: A brachytherapy apparatus includes a distal support member and a proximal support member movable relative to the distal support member. The apparatus includes a plurality of elongate treatment members having distal first locations coupled to the distal support member, proximal second locations coupled to the proximal support member, and pathways between the proximal second locations and the distal first locations adapted to receive one or more radiation sources. Each of the treatment members is movable between a generally straight configuration and a curvilinear configuration. An expandable member encloses and provides a spatial volume for the plurality of the treatment members and is adjustable between a contracted configuration and an expanded configuration.Type: GrantFiled: June 30, 2009Date of Patent: January 8, 2013Assignees: Varian Medical Systems UK Limited, Varian Medical Systems Haan GmbHInventors: Andy Partridge, Ralph Bodenburg, E. Ishmael Parsai, John J. Feldmeier
-
Patent number: 8350226Abstract: A radiation system employs magnetic field to move particle beams and radiation sources. The radiation system includes a source operable to produce a particle beam, a scanning magnet operable to scan the particle beam, and a target configured to be impinged by at least a portion of the scanned particle beam to produce radiation.Type: GrantFiled: October 1, 2009Date of Patent: January 8, 2013Assignee: Varian Medical Systems, Inc.Inventors: George Zdasiuk, James Clayton, Josh Star-Lack, David Humber, Gary Virshup, Michael C. Green
-
Patent number: 8241571Abstract: A particle analyzer in which tagged particles to be analyzed are drawn through a suspended capillary tube where a predetermined volume in the capillary tube is illuminated. The illumination scattered by said particles is detected by a detector to count all particles. The fluorescent illumination emitted by tagged particles is detected and the output signals from the fluorescent detectors and scatter detector are processed to provide an analysis of the particles.Type: GrantFiled: May 31, 2011Date of Patent: August 14, 2012Assignee: EMD Millipore CorporationInventors: Philippe J. Goix, Paul J. Lingane, Janette T. Phil-Wilson, Kenneth F. Uffenheimer
-
Patent number: 8222074Abstract: The present invention relates generally to the field of macro- and microelectronics with the potential for large-scale integration, optics, communications, and computer technology and particularly to the materials for these and other related fields. The present invention provides an anisotropic semiconductor film on a substrate, comprising at least one solid layer of material that comprises predominantly planar graphene-like carbon-based structures and possesses anisotropy of conductivity, and wherein the layer thickness is in a range from approximately 5 nm to 1000 nm.Type: GrantFiled: January 20, 2012Date of Patent: July 17, 2012Assignee: Carben Semicon LimitedInventor: Pavel I. Lazarev
-
Patent number: 8184271Abstract: A method of analyzing pulses from a flow cytometer in which particles in a fluid pass through an excitation volume of an electromagnetic radiation and interact with the electromagnetic radiation to generate signals in the form of pulses includes generating a time-dependent pulse indicative of the characteristics of one or more particles passing through the excitation volume of the electromagnetic radiation, determining a measurement window by selecting a portion of the pulse with a starting point and an ending point above a predetermined value, and calculating a first derivative of the pulse with respect to time over the measurement window.Type: GrantFiled: November 22, 2010Date of Patent: May 22, 2012Assignee: EMD Millipore CorporationInventors: Richard Pittaro, Bruce Goldman, Ray Lefebvre, David A King
-
Patent number: 8142863Abstract: In one aspect of the present invention there is provided an optically anisotropic compensation panel with spectrally controllable dispersion of refractive indices. The compensation panel comprises at least one optically anisotropic layer based on an ordered guest-host system. The guest-host system comprises an anisotropic host matrix including an organic compound transparent to electromagnetic radiation in the visible spectral range, and guest component having guest particles. In another aspect the present invention provides a method of producing an optically anisotropic compensation panel disclosed. And in yet another embodiment the present invention provides a liquid crystal display with the compensation panel disclosed.Type: GrantFiled: April 20, 2009Date of Patent: March 27, 2012Assignee: Crysoptix, KKInventor: Serguei Palto
-
Patent number: 8124966Abstract: The present invention relates generally to the field of macro- and microelectronics with the potential for large-scale integration, optics, communications, and computer technology and particularly to the materials for these and other related fields. The present invention provides an anisotropic semiconductor film on a substrate, comprising at least one solid layer of material that comprises predominantly planar graphene-like carbon-based structures and possesses anisotropy of conductivity, and wherein the layer thickness is in a range from approximately 5 nm to 1000 nm.Type: GrantFiled: November 6, 2007Date of Patent: February 28, 2012Assignee: Carben Semicon LimitedInventor: Pavel I. Lazarev
-
Patent number: 8098796Abstract: An X-ray target assembly includes a substrate, a target supported by the substrate adapted to generate X-rays when impinged by an electron beam, and an enclosure over the target providing a volume for the target. The enclosure is made of a material substantially transparent to electrons. The volume is substantially vacuum or filled with an inert gas.Type: GrantFiled: October 1, 2010Date of Patent: January 17, 2012Assignee: Varian Medical Systems, Inc.Inventors: Richard Schumacher, David K. Jensen, Maynard C. Harding, Randall D. Robinson
-
Patent number: 8081270Abstract: The present invention relates generally to backlight modules for display devices and liquid crystal displays incorporating the same, and more particularly, to a backlight module for generating light with a single polarization state. The present invention provides a backlight module, comprising an optical cavity for reflecting and depolarizing light that is incident upon a front surface of said optical cavity and a multilayer polarizer comprising a plurality of layers. Said multilayer polarizer faces the front surface of the optical cavity and the layers are arranged in such a way that a light of polarization substantially parallel to the transmission axis of said multilayer polarizer is substantially transmitted and the light of substantially orthogonal polarization is substantially reflected by said multilayer polarizer in at least one predetermined wavelength subrange of the visible wavelength range.Type: GrantFiled: April 13, 2007Date of Patent: December 20, 2011Assignee: Crysoptix, KKInventor: Pavel I. Lazarev
-
Patent number: 8077830Abstract: A system includes a beam filter positioning device including a plate configured to support one or more beam filters, and one or more axes operable to move the plate relative to a beam line. A control mechanism is coupled to the one or more axes for controlling the movement of the axes and configured to automatically adjust the position of at least one of the one or more beam filters relative to the beam line.Type: GrantFiled: September 28, 2009Date of Patent: December 13, 2011Assignee: Varian Medical Systems, Inc.Inventors: Christopher E. Brown, Steven W. Prince, William A. Strachan, Stanley Mansfield, Stephen Mohr
-
Patent number: 8067751Abstract: A system and method are provided for a high resolution radiation treatment system which provide for projecting a field of radiation energy at targeted patient tissue. The system uses a multi-leaf collimator, which is positioned such that a significant clearance is provided between the multi-leaf collimator and the isocenter plane where the targeted tissue is located. The leaves of the multi-leaf collimator are designed to provide for high step resolution in the projected radiation energy shape. Additionally, an embodiment of the system and method herein can provide for a high step resolution in the projected radiation energy shape, and for a dose calculation matrix which has matrix units which coincide with the high step resolution in the projected radiation shape.Type: GrantFiled: February 11, 2009Date of Patent: November 29, 2011Assignee: Varian Medical Systems, Inc.Inventor: Stephen Mohr
-
Patent number: 8036435Abstract: A method of analyzing a volumetric data set obtained by an imaging system from an object is provided includes defining a first region of interest comprising a population of voxels of a first tissue part of the object to obtain a first distribution of radiation attenuation coefficient values, defining a second region of interest comprising a sample of voxels of a second tissue part of the object to obtain a second distribution of radiation attenuation coefficient values, and distinguishing the second tissue from the first tissue using the properties of the first and second distributions of radiation attenuation coefficients.Type: GrantFiled: September 28, 2007Date of Patent: October 11, 2011Assignee: Varian Medical Systems, Inc.Inventors: Larry Partain, Stavros Prionas, John Boone
-
Patent number: 7978318Abstract: The present invention provides improved capillaries that lead to increased resolution in conventional capillary-flow cytometers. The cross-sectional shape of capillaries made according to the present invention lack a center of symmetry. In some embodiments, capillaries have inner side walls that are tilted at angles with respect to the collection-system optical axis so that the widest dimension of the inner bore is closest to the collection optical system and have an outer wall closest to the collection optical system with a dimension large enough to minimize the contribution of outer-wall refraction to the collected light signal. Exemplary capillary embodiments include tubes with a rectangular outer wall and a trapezoidal inner wall, a rectangular outer wall and a triangular inner wall, triangular outer and inner walls, a triangular outer wall with a trapezoidal inner wall, and a hemispherical or rhomboid outer wall and trapezoidal or triangular inner wall.Type: GrantFiled: June 15, 2009Date of Patent: July 12, 2011Assignee: Millipore CorporationInventor: Fedor A. Ilkov
-
Patent number: 7972559Abstract: A particle analyzer in which tagged particles to be analyzed are drawn through a suspended capillary tube where a predetermined volume in the capillary tube is illuminated. The illumination scattered by said particles is detected by a detector to count all particles. The fluorescent illumination emitted by tagged particles is detected and the output signals from the fluorescent detectors and scatter detector are processed to provide an analysis of the particles.Type: GrantFiled: July 31, 2008Date of Patent: July 5, 2011Assignee: Millipore CorporationInventors: Philippe J. Goix, Paul J. Lingane, Janette T. Phi-Wilson, Kenneth F. Uffenheimer
-
Patent number: 7940891Abstract: A radiation apparatus includes a radiation source movable in translational and/or rotational degrees of freedom, and a structure adapted to support a body. The structure is provided with an opening to allow a portion of the body passing through to be exposed to at least a portion of the therapeutic radiation while in use.Type: GrantFiled: October 22, 2008Date of Patent: May 10, 2011Assignee: Varian Medical Systems, Inc.Inventors: Josh Star-Lack, David Humber, Karla Knott, Corey Zankowski, Michael C. Green, Gary Virshup, James Clayton, Michelle M. Svatos
-
Patent number: 7889297Abstract: The present invention relates generally to the field of liquid crystal display devices and more particularly to a liquid crystal display device operating in vertically aligned mode (VA-mode) in which liquid crystal molecules having a negative dielectric anisotropy are aligned generally perpendicularly to a panel surface of the liquid crystal display. A liquid crystal display according to the invention comprises a liquid crystal cell (6) of a vertical alignment mode, at least one polarizer (2, 10) arranged on each side of the liquid crystal cell, and at least one compensating structure (3, 7) disposed between the liquid crystal cell and at least one of the polarizers. The polarizers have transmission axes (11, 18) which are perpendicular to each other.Type: GrantFiled: June 6, 2007Date of Patent: February 15, 2011Assignee: Crysoptix, KKInventor: Serguei Petrovich Palto
-
Patent number: 7888505Abstract: The present invention relates to a 6,7-dihydrobenzimidazo[1,2-c]quinazolin-6-one carboxylic acid and its esters of the general structural formula (I), and provides a method for their synthesis (I) where R and each R? are selected independently from the list comprising —H—CH3, —C2H5, —C3H7, -iso-C3H7, —CH2CH2CH2CH3, —CH(CH3)CH2CH3, —CH2CH(CH3)CH3 and —C(CH3)3; n is 1, 2, 3 or 4; Y is a substituent selected from the list comprising —CH3, —C2H5, —NO2, —Cl, —Br, —F, —CF3, —CN, —OH, —OCH3, —OC2H5, —OCOCH3, —OCN, —SCN, —NH2, —NHCOCH3; and z is 0, 1, 2, 3 or 4.Type: GrantFiled: January 15, 2007Date of Patent: February 15, 2011Assignee: Crysoptix, KKInventors: Tatyana Doutova, Pavel I. Lazarev, Elena N. Sidorenko, Valery S. Kuzmin
-
Patent number: 7847923Abstract: A method of analyzing pulses from a flow cytometer in which particles in a fluid pass through an excitation volume of an electromagnetic radiation and interact with the electromagnetic radiation to generate signals in the form of pulses includes generating a time-dependent pulse indicative of the characteristics of one or more particles passing through the excitation volume of the electromagnetic radiation, determining a measurement window by selecting a portion of the pulse with a starting point and an ending point above a predetermined value, and calculating a first derivative of the pulse with respect to time over the measurement window.Type: GrantFiled: September 27, 2007Date of Patent: December 7, 2010Assignee: Millipore CorporationInventors: Richard Pittaro, Bruce Goldman, Ray Lefebvre, David A. King
-
Patent number: 7834336Abstract: A method of irradiating a target in a subject using charged particle therapy includes the steps of positioning a subject on a supporting device, positioning a delivery device adapted to deliver charged particles, and delivering charged particles to a target in the subject wherein the delivery device rotates around the target during delivery of at least a portion of the charged particles.Type: GrantFiled: May 28, 2008Date of Patent: November 16, 2010Assignee: Varian Medical Systems, Inc.Inventors: Lester D. Boeh, James Clayton, Marcel R. Marc, Armin Langenegger
-
Patent number: 7831079Abstract: A method of constructing a navigation table relating a set of images representative of a region of interest in a subject to a reference system with reference positions indicating known anatomic landmarks of a reference subject comprising providing reference positions for two or more images identified with two or more anatomic landmarks indicative of the region of interest with reference positions of known anatomic landmarks corresponding to the identified anatomic landmarks, and determining reference positions for the remaining images by interpolation.Type: GrantFiled: August 28, 2009Date of Patent: November 9, 2010Assignee: Varian Medical Systems, Inc.Inventors: Patrik Kunz, Martin Scholz, Benjamin Haas, Thomas Coradi