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| Number | Title | Issue Date |
| 8099150 | MRI-compatible head fixation frame with cooperating head coil apparatus A head support assembly includes a base configured to be removably secured to an MRI scanner gantry, a head support frame attached to the base, and a longitudinally extending head coil apparatus adjustably secured to the head support frame. The head support frame in... | 01/17/2012 |
| 8078260 | Method for improving magnetic resonance imaging of the breast The present invention provides a fat saturation device to be used in conjunction with a magnetice resonance imaging (MRI) breast coil, which provides padding for the comfort of the patient being imaged while eliminating the skin-air interface, thereby reducing the l... | 12/13/2011 |
| 8055326 | Coils for horizontal field magnetic resonance imaging Methods and apparatus for performing magnetic resonance imaging are disclosed. In one embodiment coil antennas for use with a horizontal field magnetic resonance imaging apparatus are placed in proximity to the scanning region to obtain magnetic resonance images. In... | 11/08/2011 |
| 8046048 | Resonator with adjustable capacitance for medical device Systems and methods for a resonator with an adjustable capacitance for a medical device. In one embodiment, a resonator system includes a resonator device with an LC resonator circuit that has an adjustable capacitance, an inductor coil in series with the adjustable... | 10/25/2011 |
| 8046047 | Extended-coverage imaging coil Extended-coverage magnetic resonance imaging coils with optimized homogeneity in longitudinal sensitivity are described. One exemplary coil includes four elements, where two of the elements are opposed-solenoid imaging elements and two of the elements are single loo... | 10/25/2011 |
| 8046046 | RF array coil system and method for magnetic resonance imaging A RF array coil system and method for magnetic resonance imaging are provided. The array coil system includes an anterior coil section having a main anterior coil section and at least one secondary anterior coil section removably attachable to the main anterior coil... | 10/25/2011 |
| 7970453 | Reception coil maintaining element for an MR-imaging system A reception coil maintaining element for an MR-imaging system includes two phase-controlled multi-element arrays of an RF multi-channel surface reception coil. Both of these phase-controlled, multi-element arrays have a reception surface including a center having a ... | 06/28/2011 |
| 7826887 | MR head coil An MR head coil has a helmet-shaped coil housing and an arrangement of a number of first antenna elements mounted on the coil housing. The helmet-shaped coil housing is shaped such that it completely frees the field of view of a patient, and second antenna elements ... | 11/02/2010 |
| 7774043 | Microcoil construction A microcoil is manufactured by rolling a trace unit in such a way as to form at least one winding. The trace unit is comprised of a conductive trace attached to a flexible insulating film. A preferred embodiment of the microcoil contains both a first winding and a s... | 08/10/2010 |
| 7725159 | Horizontal field MRI shoulder coil The present invention relates to a design of a radiofrequency (RF) receive coil (also commonly referred to as an imaging coil) for magnetic resonance imaging (MRI) in a horizontal field MRI system of a patient's shoulder region. ... | 05/25/2010 |
| 7450984 | Local coil arrangement for a magnetic resonance system A local coil arrangement for a magnetic resonance system has an antenna arrangement that is arranged in a retainer structure. The retainer structure has a waistband and a perineum element. A person to be examined dons the local coil arrangement like trousers. ... | 11/11/2008 |
| 7450985 | Head restraint system for medical research, diagnosis and operation The present invention relates to a head restraint kit for use with a medical head device for immobilizing the head of a patient in medical research, diagnosis and operation. The head restraint kit is particularly suitable for use with a head coil for magnetic resona... | 11/11/2008 |
| 7439742 | Magnetic resonance RF transmission array In a magnetic resonance system and an operating method therefor, a number of independently operable radio frequency signal generator modules are provided or respectively connected to radio frequency coils. A control unit provides a synchronization signal to each of ... | 10/21/2008 |
| 7423496 | Resonator with adjustable capacitance for medical device Systems and methods for a resonator with an adjustable capacitance for a medical device. In one embodiment, a resonator system includes a resonator device with an LC resonator circuit that has an adjustable capacitance, an inductor coil in series with the adjustable... | 09/09/2008 |
| 7423429 | Apparatus and associated method that integrate the modalities of diagnosis and therapy to treat, in principle, pathologies generically identified as Cancer and HIV/AIDS Diagnostic and Therapy apparatus and methods use non-ionizing radiations which are based on integration of nuclear magnetic resonance and radiation manipulation. Quantitative diagnostics integrate the following devices: manual control digital filter/selector (18 | 09/09/2008 |
| 7417435 | Method for generating a homogeneous magnetization in a spatial examination volume of a magnetic resonance installation In a method and magnetic resonance apparatus wherein a homogenous magnetization is generated in a spatial examination volume of the apparatus during examination of a subject, individual resonator segments of a body coil, that are electromagnetically decoupled from e... | 08/26/2008 |
| 7408351 | RF coil and magnetic resonance imaging apparatus An RF coil which can restrain coupling while enhancing the freedom of design and arrangement of coils is to be provided. The RF coil unit of a magnetic resonance imaging apparatus is provided with a central coil surrounding a subject around its body axis, an auxilia... | 08/05/2008 |
| 7394256 | Wrist coil for magnetic resonance imaging Two halves of a separable wrist coil provide a coil volume closely conforming to a patient's hand yet separable for insertion and removal of the hand. The halves are hinged allowing easy one-handed operation of the coil in which an operator may stabilize the patient... | 07/01/2008 |
| 7391213 | Three axis angle invariant RF coil assembly and method and system employing same A radio frequency coil assembly for use in a magnetic resonance system comprises a set of conductors for detecting magnetic resonance signals in three orthogonal planes and capacitors for resonating the set of conductors at a predetermined frequency. A conductor of ... | 06/24/2008 |
| 7388377 | Method for reducing the coupling between excitation and receive coils of a nuclear quadrupole resonance detection system This invention relates to a method for improving the performance of a nuclear quadrupole resonance detection system by reducing the coupling between one or more excitation coils that provide a radio frequency magnetic field that excites quadrupole nuclei, and one or... | 06/17/2008 |
| 7386338 | Bilateral imaging apparatus An assembly of RF coils for bilateral imaging of a first and a second breast of the same person is disclosed. The assembly includes a first pair of coils having a first coil juxtaposed and underlapping a second coil, thereby defining juxtaposed edges of the first an... | 06/10/2008 |
| 7382130 | Irradiation coil and magnetic resonance imaging apparatus comprising the same A planar irradiating coil including a first ring conductor, a second ring conductor having a smaller diameter than that of the first ring conductor, and a plurality of first line conductors that connects the first ring conductor and the second ring conductor, is pro... | 06/03/2008 |
| 7375527 | Cavity resonator for MR systems A magnetic resonance apparatus in embodiments of the invention may include one or more of the following features: (a) a coil having at least two sections, (b) the at least two sections having a resonant circuit, (c) the at least two sections being wirelessly coupled... | 05/20/2008 |
| 7370789 | Variable field-of-view gradient coil system for magnetic resonance imaging The present invention relates to a gradient coil system for magnetic resonance imaging (MRI) systems and to a magnetic resonance imaging (MRI) system comprising such a gradient coil system. Magnetic resonance imaging systems comprise at least a main magnet system, a... | 05/13/2008 |
| 7365542 | Flexible RF coil assembly and method of making same An RF coil assembly includes a plurality of coil supports rotatably interconnected to each other. Each coil support is configured to rotate with respect to at least one adjoining coil support. A plurality of RF coils is connected to each coil support. ... | 04/29/2008 |
| 7362101 | Sense optimized MRI RF coil designed with a target field method An MRI RF coil that is optimized for SENSE imaging is used in a method where the surface current density distribution on a coil former was calculated to maximize the SNRsense within a volume of interest. An analytic relationship was formulated between the... | 04/22/2008 |
| 7358726 | System of generating a magnetic field and MRI system using the system of generating a magnetic field An MRI system using an open type magnet, wherein two coils different in radius for generating gradient magnetic fields in a vertical direction are arranged in the open type magnet for generating a static magnetic field in the vertical direction. Currents are caused ... | 04/15/2008 |
| 7348778 | System and apparatus for a high resolution peripheral vascular coil array A peripheral vascular coil array for providing images of a region of interest includes a first section including a first coil array and a second coil array in electrical communication with each other. The first and second coil arrays are disposed at opposite sides o... | 03/25/2008 |
| 7343194 | Method and apparatus for performing neuroimaging In one aspect, a restraining assembly for an awake animal within a magnetic resonance imaging (MRI) device is provided and includes a body restrainer having a first part and a second part that hold a body of the awake animal therebetween. The assembly is of a dual c... | 03/11/2008 |
| 7343192 | Magnetic resonance imaging method and apparatus for body composition analysis A method is disclosed for analyzing body composition. The method includes inducing a static magnetic field in the body. The static magnetic field has a known distribution along a longitudinal axis of the body. A radio frequency magnetic field is induced in the body.... | 03/11/2008 |
| 7339376 | MRI/MRS gradient coil with integrated cooling circuits Systems, methods and apparatus are provided through which heat produced in the patient examination space by the power used to create electromagnetic fields in an MRI/MRS system is significantly reduced by coolant carried by one of two split connected concentric coil... | 03/04/2008 |
| 7333849 | Vertical field neurovascular array coil A vertical field MRI RF coil array for neurovascular imaging includes a head section having a solenoid coil element and a quadrature coil element; a neck section having a solenoid coil element and a quadrature coil element; and a chest section having a solenoid coil... | 02/19/2008 |
| 7330030 | Magnetic resonance imaging apparatus A magnetic resonance imaging apparatus includes a top plate on which an patient to be imaged is disposed, a plurality of positioning units that determines setting positions of RF coils detachable from the top plate in a plurality of different positions, and a detect... | 02/12/2008 |
| 7328055 | Patient support apparatus The present invention provides a patient support apparatus for use during a medical procedure. The patient support apparatus is configured to receive and support a body of a patient on a base member. The base member includes a top surface having a plurality of adjus... | 02/05/2008 |
| 7327142 | Open peripheral vascular coil and method of providing peripheral vascular imaging An open peripheral vascular coil and method of providing peripheral vascular imaging are provided. The peripheral vascular coil includes a base coil section having a plurality of coil elements and a plurality of coil sections configured for removable attachment to t... | 02/05/2008 |
| 7314447 | System and method for actively cooling transducer assembly electronics An ultrasound transducer assembly is disclosed having a housing, a transducer array mounted in the housing and an electronics assembly mounted in the housing, the electronics assembly including one or more sub-assemblies having heat generating components disposed th... | 01/01/2008 |
| 7311702 | Ablation technology for catheter based delivery systems A catheter based delivery system may be used for both therapeutic and diagnostic applications. The catheter based delivery system includes a catheter having a distal end. The distal end of the catheter includes several electrodes that can emit a radio frequency wave... | 12/25/2007 |
| 7288938 | Connection system for split-top RF coils A split-top RF coil is provided. The split-top RF coil includes a first housing (80) having a first RF coil portion (41) disposed therein and a second housing (84) having a second RF coil portion (42) disposed therein. A plurality of slid... | 10/30/2007 |
| 7285957 | Method and apparatus to generate a circular polarized RF field independent of subject asymmetry An RF coil assembly is presented that incorporates balun networks to eliminate standing waves from cables used to apply a voltage to multiple drive ports of the coil. Each drive port is driven by an applied voltage that is shifted 90 degrees in the tangential direct... | 10/23/2007 |
| 7279898 | MRI RF surface coil with reduced sensitivity in proximity of conductors The invention relates to a radio-frequent (RF) coil system (17, 17′) for use in a magnetic resonance imaging (MRI) system. The RF coil system comprises at least one main coil (35) for transmitting an RF magnetic field (B1) into and/or rece... | 10/09/2007 |
