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8442619 |
System and method for detecting errors in position tracking systems used for medical applications
A system and method for identifying errors while tracking instrument navigations is enclosed. The method may include assigning a plurality of virtual points to a plurality of sensors. At least one...
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8442616 |
Method and device for monitoring a radio-frequency transmitter device in a magnetic resonance tomography system
In a device for monitoring a radio-frequency transmit device of a magnetic resonance system, having a transmitter antenna system that has a number of transmit channels, a reference scattering...
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8442617 |
System for magnetic resonance and X-ray imaging
A patient table for a common imaging system including Magnetic Resonance and X-Ray retains the patient stationary in position prior to, during and subsequent to the imaging and includes a base, a...
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8436615 |
Detunable waveguide antenna assembly
A waveguide antenna assembly for a magnetic resonance tomography apparatus, particularly a waveguide antenna assembly that can be detuned for an operation with local coils, is composed of multiple...
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8437831 |
Method for operating a hybrid medical imaging unit comprising a first imaging device of high spatial resolution and a second nuclear medicine imaging device of high sensitivity
A method is disclosed for operating a hybrid medical imaging unit including a first imaging device of relatively high spatial resolution and a second nuclear medicine imaging device of relatively...
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8436610 |
Perfusion adaptive blood proton spin tagged MR image data processing system
A system adaptively processes MR image data to accommodate variation in perfusion time of a vessel fluid. An MR image data acquisition device initiates acquisition of a first image set comprising...
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8437836 |
Reverse data reconstruction for optimal time sampling of counts in physiological list-mode nuclear imaging
A diagnostic imaging device includes detector elements (16) for detecting y-rays indicative of nuclear decay events. Pairs of concurrently detected γ-rays define lines of response (LORs) which are ...
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8432165 |
Simultaneous excitation and acquisition in magnetic resonance
A method for magnetic resonance spectroscopy (=MRS) or magnetic resonance imaging (=MRI) in which an NMR time-domain signal is generated by an excited transverse nuclear magnetization precessing...
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8433392 |
System and method for moving table MRI
The present invention provides an MRI system for imaging of a subject over extended field-of-view (FOV) that employs both accelerated data acquisition, which is employed while the subject is...
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8433388 |
Source affine reconstruction for medical imaging
Performing medical imaging. The generation of medical images, which includes a Source AFFine Image REconstruction (SAFFIRE) algorithm, is based on an iterative implementation of minimum mean-square...
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8433390 |
Magnetic resonance imaging apparatus and method
A magnetic resonance imaging apparatus scans a region including a predetermined part of a subject to acquire magnetic resonance signals. The magnetic resonance imaging apparatus includes a...
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8425399 |
Focusing board assembly for medical imaging equipment
A focusing board assembly for a medical imaging equipment gives a comfortable feeling mentally or physically by visually getting rid of an oppressive feeling arisen when a patient is in a...
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8428689 |
Image guided therapy
A therapeutic system includes a therapy module to direct a therapeutic action, e.g. focused ultrasound or RF energy to a target. An imaging module, such as a magnetic resonance examination system,...
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8427157 |
Method to determine a predetermined signal amplitude in MR measurements
In a method and apparatus to determine a predetermined signal amplitude of an examination subject in an MR measurement in which multiple RF pulses are radiated into the examination subject in a...
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8428688 |
Automatic femur segmentation and condyle line detection in 3D MR scans for alignment of high resolution MR
A method for automatic femur segmentation and condyle line detection. The method includes: scanning a knee of a patient with medical imaging equipment to obtain 3D imaging data with such equipment;...
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8428687 |
Systems and methods for matching and imaging tissue characteristics
Systems and methods for matching a characteristic of multiple sectors of a moving tissue to verify an overlap thereof are disclosed herein. In an exemplary method, tissue data for at least a first...
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8427156 |
Systems and methods for image reconstruction of sensitivity encoded MRI data
Methods and systems in a parallel magnetic resonance imaging (MRI) system utilize sensitivity-encoded MRI data acquired from multiple receiver coils together with spatially dependent receiver coil...
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8423123 |
System and method for in-vivo feature detection
An in-vivo imaging system and method to screen for colorectal polyps in the GI tract may include an in-vivo imaging device for capturing a stream of image frames in a GI tract, a polyp detector for...
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8419641 |
Medical image display method, medical image diagnostic apparatus, and medical image display device
Disclosed is a medical image display method for displaying a tomographic image obtained by scanning an image of a cross-section of an organ of an object and finding the volume of an inner cavity...
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8423118 |
Model-based differential diagnosis of dementia and interactive setting of level of significance
When detecting and classifying hypo-metabolic regions in the brain to facilitate dementia diagnosis, a patient's brain scan image, generated using an FDG-PET scan, is compared to a plurality of...
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8416916 |
Method and apparatus for representing an x-ray image
In a method and an apparatus for representing an x-ray image of an examination subject, a measurement field is determined in the image field of the x-ray image, the measurement field being...
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8416076 |
Magnetic proximity sensor system and associated methods of sensing a magnetic field
A magnetic proximity sensor is attached to a ferrous object such that the sensor alerts a practitioner if a threshold of magnetic strength has been exceeded by bringing the ferrous object within a...
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8417316 |
MRI imaging and contrast method
A novel MRI contrast technique enables to observe tissue properties not observable by previously known MRI methods. A difference between two disclosed pulse sequences is used to measure...
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8410781 |
High temperature superconductor receiver coil magnetic resonance imaging systems and methods compatible with an infant incubator
Systems and methods which employ a high temperature superconductor (HTS) receiver coil configuration for MRI analysis of small volume subjects, such as infants, are shown. Embodiments provide a HTS...
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8412309 |
Medical device guiding system, medical device guiding method, and method for creating look-up table to be used in medical device guiding system
The accurate position detection without being affected by an unnecessary second magnetic field can be realized by calculating the unnecessary second magnetic field induced and generated at...
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8410780 |
Adaptive signal averaging method which enhances the sensitivity of continuous wave magnetic resonance and other analytical measurements
This method of adaptive signal averaging is used to enhance the signal to noise ratio of magnetic resonance and other analytical measurements which involve repeatable signals partially or...
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8409092 |
Medical imaging system that redirects heat waste for patient pallet heating
According to certain embodiments, a medical imaging system includes an imager, a patient pallet, and a heating subsystem. The imager obtains measurement data of a patient. Further, the imager...
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8410778 |
Magnetic resonance method and apparatus to acquire multiple image data sets from a subject
In a magnetic resonance (MR) method and apparatus for the acquisition of a first image data set and a second image data set of an examination subject, a series of excitation pulses is radiated into...
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8404487 |
Magnetic resonance spectroscopy of breast biopsy to determine pathology, vascularization and nodal involvement
Robust classification methods analyse magnetic resonance spectroscopy (MRS) data (spectra) of fine needle aspirates taken from breast tumors. The resultant data when compared with the...
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8406845 |
Method and apparatus for imaging tracking
Image tracking systems, and corresponding methods, are described. In some embodiments, conventional imaging components are placed on a platform having wheels, thereby providing a mechanism for...
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8406846 |
Mammographic apparatus
The mammographic apparatus of this invention maintains peripheral portions of the breast area Ma of the sternal plate of a patient M in contact with a sternal plate contact box 3 during radiography...
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8406849 |
Systems and methods for magnetic resonance imaging
Methods and apparatus for operating an MRI system is provided. The disclosure provides a diffusion-prepared driven-equilibrium preparation for an imaging volume and acquiring 3-dimensional k-space...
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8406850 |
Method for estimating the physiological parameters defining the edema induced upon infusion of fluid from an intraparenchymally placed catheter
A method for estimating the physiological parameters defining the edema induced upon infusion of fluid from an intraparenchymally placed catheter including; a) acquisition of patient-specific...
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8406853 |
Multi transmit/receive head array coil with removable panels
A modular multi-transmit head coil for use in Deep Brain Stimulation procedures includes a mounting frame arranged for attachment to the stereotactic head frame of the patient. An integrated MR...
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8401612 |
Magnetic resonance imaging system and method for detecting chiari malformations
A method for detecting Chiari malformations. The method generally comprises positioning a patient in an upright orientation in a patient-receiving space of a magnetic resonance imaging apparatus...
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8401614 |
Magnetic resonance thermometry method
A method for reducing errors in the measurement of temperature by magnetic resonance, for use in magnetic resonance imaging-guided HIFU equipment, includes acquiring an MR phase image, as a...
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8401613 |
PET-MRI combination apparatus
Disclosed herein is a PET-MRI combination apparatus which can extend transaxial and axial fields of view (FOV) by transmitting an output signal from a photo sensor to the outside of an MRI bore...
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8396277 |
Magnetic resonance imaging apparatus
In an MRI apparatus, an executing unit executes an image taking sequence according to a parallel imaging method so as to collect MR signals by using a plurality of RF coils; a reconstructing unit...
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8394356 |
Diagnostic imaging contrast agents with extended blood retention
The present invention relates to contrast agents for diagnostic imaging with prolonged blood retention. In particular, this invention relates to novel compounds that are characterized by an image...
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8395468 |
High field strength magentic field generation system and associated methods
A magnetic field generation system includes first (28a) and second (28b) magnetic flux concentrators spaced apart to form a sample volume (30). A first set of auxiliary permanent magnets (10a, 10b)...
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8396532 |
MRI-guided devices and MRI-guided interventional systems that can track and generate dynamic visualizations of the devices in near real time
An MRI-guided medical device includes an elongated sheath, an elongated dilator, and an elongated needle. The sheath has a distal end, an opposite proximal end, and a central lumen extending...
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8390290 |
Method and device for determining a position of a local coil in a magnetic resonance apparatus
A device for determining the position of at least one local coil arranged or to be arranged on a patient bed of a magnetic resonance device has at least one optical coil marker arranged on the...
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8391579 |
Method and system for automatic detection and segmentation of axillary lymph nodes
A method and system for automatically detecting and segmenting lymph nodes in a 3D medical image, such as a CT image, is disclosed. A plurality of lymph node center point candidates are detected in...
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8391952 |
Coil arrangement for an electromagnetic tracking system
An electromagnetic tracking system comprising at least one electromagnetic transmitter assembly or at least one electromagnetic receiver assembly with two coils attachable to a trackable object to...
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8391951 |
Magnetic resonance imaging apparatus and program
A magnetic resonance imaging apparatus includes a gradient coil for applying a gradient pulse, a transmitting coil for transmitting an RF pulse, and a coil control device for controlling the...
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8391956 |
Medical device location systems, devices and methods
Methods, devices and systems for one or both of two- or three-dimensional location of the disposition of a sensor coil in a subject including: an array of electromagnetic drive coil sets, each set...
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8391950 |
System for multi-dimensional anatomical functional imaging
A cardiac functional analysis system reconstructs a 3D anatomical image volume using image frames acquired at predetermined cardiac phases over multiple cardiac cycles in response to a trigger...
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8386014 |
Systems and methods for implementing heart geometrical measurements
In some embodiments, the disclosed subject matter provides a method of identifying the source of arrhythmia, e.g. reentrant ventricular tachycardia, in a patient. In other embodiments, the...
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8386013 |
Magnetic resonance imaging (MRI) using ultra short echo times and spiral sampling in K-space
Methods, systems and computer program products of magnetic resonance imaging (MRI) using ultra short echo times and spiral sampling in k-space are disclosed. A long inversion radio frequency (RF)...
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8384383 |
Method and device for reconstructing a sequence of magnetic resonance images
A method for reconstructing a sequence of magnetic resonance (MR) images of an object under investigation, includes the steps of (a) providing a series of sets of image raw data including an image...
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