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36 results about "Brain scanning" patented technology
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A brain scan is an image of the brain that can be obtained by specific types of X-rays. When a medical professional orders a scan, he may be looking for abnormalities, such as a stroke or a brain tumor.
Mapping of literature onto regions of interest on neurological images
A computer implemented method, apparatus, and computer program product for analyzing neurological images. A set of brain scans for a patient is compared to a set of baseline control scans to automatically identify regions of interest in the set of patient scans. A region of interest is an area in a scan that shows an indication of a potential abnormality. A set of electronic medical literature sources is searched for medical literature relevant to the regions of interest in the set of patient scans. The relevant medical literature is correlated to the medical literature describing the regions of interest in the set of patient scans to the regions of interest in the set of patient scans. A result is generated. The result comprises the regions of interest and a set of links to the correlated portions of the relevant medical literature are outputted.
Owner:IBM CORP
Automatic Alignment of Magnetic Resonance Imaging (MRI) Brain Scan By Anatomic Landmarks
InactiveUS20090093706A1Maximize magnitudeMinimize the differenceCharacter and pattern recognitionDiagnostic recording/measuringBrain scanningSagittal plane
A method to automatically align magnetic resonance (MR) brain scans for diagnostic scan planning, including: acquiring a three-dimensional (3D) localizer image of a patient; selecting a two-dimensional (2D) coronal view and a 2D transverse view from the localizer image; identifying a mid-sagittal plane (MSP) line in each of the coronal and transverse views and calculating a 3D MSP based on the MSP lines; reconstructing the localizer image based on an equation for the 3D MSP to obtain an image of the MSP of the patient's brain; identifying crista galli (CG) and tip of the occipital bone (TOB) in the image of the MSP of the patient's brain; calculating a transformation matrix based on the MSP, CG and TOB in the image and using the transformation matrix to obtain a scan plan for the patient; and outputting the scan plan for the patient.
Owner:SIEMENS HEATHCARE GMBH
Automatic alignment of magnetic resonance imaging (MRI) brain scan by anatomic landmarks
InactiveUS8190232B2Maximize magnitudeMinimize the differenceCharacter and pattern recognitionDiagnostic recording/measuringBrain sectionLandmark
Owner:SIEMENS HEALTHCARE GMBH
High resolution photon emission computed tomographic imaging tool
InactiveUS20070007454A1Improve featuresSpatial distortionMaterial analysis by optical meansTomographyBrain scanningPhoton emission
An brain scanning apparatus having a scanner device and a host computer. The scanner radiation detectors detect radiation emitted from a desired portion, or slice, of a brain source. The scanner device contains microprocessors and code which control the movement of the radiation detectors and performs the data acquisition over a number of slices and transmits this data to the host computer. The host computer initiates a scan by sending desired setup parameters to the scanner device and instructing the scanner to begin collecting data. During the scan, acquired data is sent to the host computer and spooled to a hard disk. The computer can be instructed to perform a slice by slice reconstruction of the source brain while the scan is taking place in order to produce a 2-dimensional reconstruction of the mapped brain. A complete 3-dimensional reconstruction of all the compiled slices is performed and visually displayed after acquisition of all the required slices.
Owner:STODDART HUGH A +1
Cerebral apoplexy type prediction method and device
InactiveCN107145756ALess prone to delayReduce medical stressImage enhancementImage analysisBrain scanningSample image
The invention provides a cerebral apoplexy type prediction method and device; the method comprises the following steps: obtaining brain sample images of a plurality of cerebral apoplexy patients, and obtaining focus information corresponding to each brain sample image; using a machine learning method to describe the brain sample image features according to the focus information, thus forming a cerebral apoplexy focus information data model; obtaining a brain scan image, and using the cerebral apoplexy focus information data model to predict the cerebral apoplexy type of the brain scan image. The method firstly uses big data to build he cerebral apoplexy focus information model; in determination, the method needs to directly input the patient brain scan image into the model, and uses the model to calculate the brain scan image, thus finally outputting the cerebral apoplexy type; the method is fast in response speed, hard to cause condition delay, needs no artificial participation in the whole process, thus reducing doctor medical pressure; in addition, the method and device cannot have inaccurate condition determination caused by personal differences.
Owner:上海辉明软件有限公司
Sonification of imaging data
Scans of brains result in data that can be challenging to display due to its complexity, multi-dimensionality, and range. Visual representations of such data are limited due to the nature of the display, the number of possible dimensions that can be represented visually, and the capacity of our visual system to perceive and interpret visual data. This paper describes the use of sonification to interpret brain scans and use sound as a complementary tool to view, analyze, and diagnose. The sonification tool may be used as a method to augment visual brain data display.
Owner:NEW YORK UNIV
Mobile in vivo brain scan and analysis system
Described is a mobile in vivo brain scan and analysis system. The system includes a data collection subsystem and a data analysis subsystem. The data collection subsystem is formed to collect brain data that is reflective of firing neurons in a mobile subject and transmit the brain data to the data analysis subsystem. The data analysis subsystem is configured to generate and display a three-dimensional image that depicts a location the firing neurons. The data analysis subsystem is also configured to compare the brain data against a library of brain data to detect an anomaly in the brain data, and notify a user of any detected anomaly in the brain data.
Owner:CALIFORNIA INST OF TECH
Mapping of literature onto regions of interest on neurological images
A computer implemented method, apparatus, and computer program product for analyzing neurological images. A set of brain scans for a patient is compared to a set of baseline control scans to automatically identify regions of interest in the set of patient scans. A region of interest is an area in a scan that shows an indication of a potential abnormality. A set of electronic medical literature sources is searched for medical literature relevant to the regions of interest in the set of patient scans. The relevant medical literature is correlated to the medical literature describing the regions of interest in the set of patient scans to the regions of interest in the set of patient scans. A result is generated. The result comprises the regions of interest and a set of links to the correlated portions of the relevant medical literature are outputted.
Owner:IBM CORP
High resolution photon emission computed tomographic imaging tool
InactiveUS7105824B2High sensitivity-resolution characteristicZero spatial distortionMaterial analysis by optical meansHandling using diaphragms/collimetersBrain scanningPhoton emission
An brain scanning apparatus having a scanner device and a host computer. The scanner radiation detectors detect radiation emitted from a desired portion, or slice, of a brain source. The scanner device contains microprocessors and code which control the movement of the radiation detectors and performs the data acquisition over a number of slices and transmits this data to the host computer. The host computer initiates a scan by sending desired setup parameters to the scanner device and instructing the scanner to begin collecting data. During the scan, acquired data is sent to the host computer and spooled to a hard disk. The computer can be instructed to perform a slice by slice reconstruction of the source brain while the scan is taking place in order to produce a 2-dimensional reconstruction of the mapped brain. A complete 3-dimensional reconstruction of all the compiled slices is performed and visually displayed after acquisition of all the required slices.
Owner:NEUROLOGICA CORP
Method for calculating brain blood volume on basis of stable status method
InactiveCN102119856AReduce the impactReduce dependenceComputerised tomographsDiagnostic recording/measuringBrain ctClinical trial
The invention relates to a method for calculating brain blood volume. The method is used for calculating the brain blood volume on the stable status CT (Computed Tomography) brain perfusion imaging principle. The method comprises the following steps of (1) carrying out common whole brain CT scanning to obtain a brain tissue structure image before contrast agent injection; injecting the contrast agent to the vessel exciting area to reach the stable status, and obtaining the brain tissue structure image of the same position; (3) deleting an overhigh brain blood volume value with a vessel pixel deleting method, and deleting the interference of the artery in the existing area to the brain blood content measuring value; (4) and calculating the brain blood flow value of the brain tissue by calculating the ratio of the brain tissue to the signal change in the vessel according to a formula. With the method, all brain scanning can be carried out and the radial dosage of the perfusion scanning can be reduced, thus the method for calculating brain blood volume can be widely applied into the clinical trial.
Owner:姜卫剑 +1
Systems and methods for evaluating a brain scan
ActiveUS20140270052A1Superior and objective evaluationMaterial analysis using wave/particle radiationRadiation/particle handlingComputer aided diagnosticsData set
The present disclosure provides systems and methods for evaluating a brain scan using reference data. Specifically, the systems and methods include a computed tomography (CT) scanner for the purpose of diagnosing concussions or mild traumatic brain injuries (mTBI). The system includes a multi-energy x-ray source (i.e., spectral CT), a photon counting x-ray detector, and a content-aware computer aided diagnostic (CAD) algorithm designed to detect imperceptible changes indicative of structural and physiological damage caused by a concussive event by comparing raw volumetric datasets of baseline (healthy) reference scan data to patient scan data taken after a concussive event.
Owner:VESTEVICH JACQUELINE K
Self-adaption data analysis method for small-animal brain functional magenetic resonance imaging
ActiveCN107689057AReduce digging depthReduce analysisImage enhancementImage analysisHead movementsWHOLE ANIMAL
The invention discloses a self-adaption data analysis method for small-animal brain functional magenetic resonance imaging. The method includes the following steps that whole-brain scanning images ofall test animals are obtained multiple times, head movement correction is carried out, and whole-brain average images of all the animals are obtained; a whole-brain image of some animal serves as a reference image, image registration and image averaging are iteratively carried out, and a self-adaption brain template is obtained; in-brain pixels of the self-adaption brain template are extracted ina multichannel gaussian filter mode to serve as original in-brain-pixel mask images; in-brain-pixel mask images matched with self-adaption brain template space are obtained; all test individual brainimages and the self-adaption brain template are subjected to space standardization, and skull peeling is carried out; time sequences of all interest areas of all the test animals are obtained; throughthe pearson correlation algorithm, correlation indexes between all the interest areas are obtained, and a whole-animal network of the test animals is obtained. The technical scheme is wide in adaptation and high in efficiency, and is not influenced by artificial subjective factors.
Owner:INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI
Method and system for automatically extracting magnetic resonance image corpus callosum
ActiveCN104083170ARealize automatic adjustmentImprove scanning efficiencyImage analysisDiagnostic recording/measuringDecision takingT1 weighted
The invention discloses a method and system for automatically extracting the extracting magnetic resonance image corpus callosum. The method comprises the steps of according to a midsagittal plane T1 weighted nuclear magnetism brain image, determining a brain outline threshold value and a corpus callosum threshold value; performing threshold segmentation on the image according to the brain outline threshold value and the corpus callosum threshold value to respectively obtain a brain outline binary image and a corpus callosum binary image; respectively performing margin tracing on the brain outline binary image and the corpus callosum binary image to acquire a brain outline position and a corpus callosum margin cluster; establishing a decision tree, and screening marginal information to determine a corpus callosum region; determining an angle of inclination and a central position of a brain scanning line set according to the corpus callosum region. By means of the method and system, the corpus callosum in the midsagittal plane T1 weighted nuclear magnetism brain image can be extracted automatically, automatic regulation of the scanning line set during brain scanning can be completed according to information on the corpus callosum and the like, scanning efficiency is increased, no manual regulation is needed, time and labor are saved, an strong practicability is achieved.
Owner:SHENZHEN ANKE HIGH TECH CO LTD
Multi-modal pharmaco-diagnostic assessment of brian helath
A single diagnostic dose of a chemical agent that can bind with molecular specificity or provide a well characterized molecular effect on a mammalian host (including humans) is provided to a patient between brain scans. The method typically comprises at least one pre- dose scan of the subject followed by a waiting period then a second post-dose diagnostic scan. The diagnostic scans can be conventional in nature or of a multi-modal variety. A comparison, in the form of a difference or ratio, between data or extracted features before versus after the diagnostic dose indicates with molecular specificity the tone in the brain of that subject. The resulting data may be used to assess instances of medical fraud and can be used in back to work decisions for brain and soft tissue injuries for which the determinations have traditionally been somewhat subjective in nature.
Owner:CERORA
Localization method for sensibility linguistic area
InactiveCN101015453AAccurate locationSolve problems that cannot be accurately positionedDiagnostic recording/measuringSensorsBrain scanningNMR - Nuclear magnetic resonance
The invention discloses a locating method of sensory language area, which comprises the following steps: utilizing nuclear magnetic resonant image to scan language stimulating period and resting period brain of one subject; making the subject listen to a piece of voice and comprehend the content to have a rest during resting period; setting each stimulating period as the same time as resting period; reflecting image of sensory language area position output by nuclear magnetic resonance; orienting the position of sensory language area in the human brain precisely.
Owner:THE FIRST AFFILIATED HOSPITAL OF THIRD MILITARY MEDICAL UNIVERSITY OF PLA
Cerebral stroke predicted value acquisition method and device, and storage medium
PendingCN113796877AReliable determinationImage enhancementImage analysisBrain scanningPhysical medicine and rehabilitation
The invention provides a cerebral stroke predicted value acquisition method and device, and a storage medium. The cerebral stroke predicted value acquisition method comprises the following steps that a plurality of evaluation areas are divided from a plain-scan computed tomography image obtained through brain scanning; texture features are extracted by aiming at each evaluation area, and a texture feature sample set is obtained; the texture feature sample set is trained, and a training result is subjected to quintuple cross validation in a training process; and on the basis of a trained random forest model, a predicted value of a cerebral stroke disease risk can be calculated. According to the technical scheme provided by the invention, the cerebral stroke can be automatically evaluated and pre-judged by using feature engineering and a random forest technology, and the ASPECTS score can be accurately and reliably determined.
Owner:昆明同心医联科技有限公司
Method for assisting cerebral hemorrhage puncture and drainage by 3D printing fixing device
InactiveCN109893224AOvercome the problem of different contoursImprove accuracyAdditive manufacturing apparatusSurgical needlesBrain scanningBrain section
The invention belongs to the technical field of medical instruments, and discloses a method for assisting cerebral hemorrhage puncture and drainage by a 3D printing fixing device. The method comprisesthe following steps: scanning the brain of a patient by an image device to obtain an image file data packet; constructing a fixing device model by medical modeling; obtaining the fixing device for assisting the cerebral hemorrhage puncture and drainage with a 3D printing method; fixing the fixing device on the brain of the patient, and puncturing the brain of the patient by putting a drainage tube along a puncture channel of the fixing device to suck hematoma. The fixing device is designed completely according to three-dimensional data scanned and reconstructed by the brain of the patient, and perfectly fits the brain of the patient, the problem of different brain contours of different patients is solved, the method can adapt to any cerebral hemorrhage patients. The drainage tube can reach the hematoma center directly through the puncture channel, and accordingly, accuracy of puncture positioning is increased, and the success rate of puncture and drainage operation is increased.
Owner:成都真实维度科技有限公司 +1
Evaluation of multimodal pharmacological diagnostics for brain health
Patients are provided between brain scans with a single diagnostic dose of a chemical agent that can bind specifically through the molecule or provide a well-characterized molecular effect on mammalian hosts, including humans. The method generally includes at least one pre-dose scan of the subject, followed by a waiting period of time before a second post-dose diagnostic scan. Diagnostic scans can be routine in themselves or can be of multimodal variety. The comparison (in difference or ratio form) between the data or the extracted features before and after the diagnostic dose represents the level of the subject's brain by molecular specificity. The resulting data can be used to evaluate cases of medical fraud and to make return-to-work decisions for brain and soft tissue injuries, for which decisions have traditionally been somewhat subjective in nature.
Owner:CERORA
Improving symmetry in brain scans
A system and method including adapting a symmetric model representing anatomical structures of the brain, the model corresponding to a brain scan image, transforming first and second points provided on first and second hemispheres of the brain and computing, based on the transformation, a patient- specific symmetric anatomical model of the brain.
Owner:KONINKLJIJKE PHILIPS NV
Systems and methods for evaluating a brain scan
ActiveUS9332954B2Superior and objective evaluationHealth-index calculationComputerised tomographsComputer aided diagnosticsBrain scanning
The present disclosure provides systems and methods for evaluating a brain scan using reference data. Specifically, the systems and methods include a computed tomography (CT) scanner for the purpose of diagnosing concussions or mild traumatic brain injuries (mTBI). The system includes a multi-energy x-ray source (i.e., spectral CT), a photon counting x-ray detector, and a content-aware computer aided diagnostic (CAD) algorithm designed to detect imperceptible changes indicative of structural and physiological damage caused by a concussive event by comparing raw volumetric datasets of baseline (healthy) reference scan data to patient scan data taken after a concussive event.
Owner:VESTEVICH JACQUELINE K
Camera-based transcranial magnetic stimulation diagnosis head model building system
ActiveCN110337696AHigh precisionGood effectDetails involving processing stepsElectrotherapyBrain scanning3d image
A camera-based transcranial magnetic stimulation diagnosis head model building system is disclosed, including a 3D scanner, a positioning hat and an intelligent terminal, wherein the 3D scanner and the intelligent terminal are electrically connected. A model building method of the system includes collecting 3D image data of a head of a patient from all directions through cameras, and integrating the image data to obtain complete 3D image data; through combining MNI brain space coordinates, mapping a skull model obtained by MNI spatial 3D brain scanning to the 3D head model data of the patientto obtain a head model matching the actual head height of the patient, thus increasing the precision of subsequent positioning of transcranial magnetic stimulation points for the head of the patient,and further greatly improving TMS magnetic stimulation treatment effects. The head model of the patient can be obtained only by steps of collecting 3D head data of the patient through the 3D cameras and processing the collected data through the intelligent terminal in the system. The system is cheap, simple to operate and high in degree of automation.
Owner:WUHAN ZNION TECH CO LTD
Brain scanning instrument for detection of Alzheimer's diseases
InactiveCN109480875AReduce workloadReduce work intensityTomosynthesisPatient positioning for diagnosticsBrain scanningDisease
The invention discloses a brain scanning instrument applied to detection of Alzheimer's diseases. The brain scanning instrument comprises a scanning frame, a scanning cavity formed in the scanning frame, a scanning bed, a deformation structure and a movable frame; the scanning bed comprises a base, a bed board which is arranged on the base and can move forwards and backwards and a driving part fordriving the bed board to move forwards and backwards, and the bed board can penetrate through the scanning cavity when moving forwards; the deformation structure is used for controlling the bed boardto deform from a straight bed board state to a seat state; the bed board is provided with an accommodating cavity, and the movable frame capable of moving leftwards and rightwards is placed in the accommodating cavity and can be used for directly moving a patient from a hospital bed to the bed board. According to the brain scanning instrument, the bed board can be deformed into the seat state, the patient can be conveniently kept on the bed board with a sitting posture, and the workload and work intensity of medical staff are reduced; through the arrangement of the movable frame, on one hand,the workload and work difficulty of the medical staff are reduced; on the other hand, the patient always lies on a mattress during movement, and the comfort is high.
Owner:ZHEJIANG UNIV
Treatment device for critically ill patients
ActiveCN113017692BImprove detection qualityImprove detection efficiencyPatient positioningInfrasonic diagnosticsBrain scanningPhysical medicine and rehabilitation
Owner:THE SECOND AFFILIATED HOSPITAL OF XIAN JIAOTONG UNIV
BrainPET System for Simultaneous MRI and PET Imaging
PendingUS20220280041A1Patient positioning for diagnosticsComputerised tomographsBrain scanningPet imaging
In order to improve both spatial resolution and sensitivity for brain research and clinical activity, we have designed a combined PET / MRI insert for brain scanning, referred to herein as a “BrainPET insert” that can be fit onto and into a suitable MRI system. The BrainPET Insert comprises, in order, a receive (Rx) coil positioned within and adjacent to a transmit (Tx) coil and a PET ring, wherein both the Rx coil and the Tx coil are within the PET ring.
Owner:SINO CANADIAN HEALTH ENGINEENING RESEARCH INSTITUTE (HEFEI) LTD
Head support for PET-CT examination in nuclear medicine department
InactiveCN113974675ABest scanned imagesRadiation diagnostic device controlPatient positioning for diagnosticsBrain scanningMechanical engineering
The invention provides a head support for PET-CT examination in the nuclear medicine department. The head support comprises a bottom plate and a top plate; an included angle is formed between the top plate and the bottom plate; and when the back side of the head is placed in a concave formed in a cushion layer of the upper surface of the top plate, the lowest point of the head coincides with the center point of the concave, and the included angle between the eyebrow listening line of the head and the bottom plate is basically 90 degrees. The head support further comprises a head high point height detection module used for detecting the highest point of the head, a head low point height detection module used for detecting the lowest point of the head, a top plate lifting system and a microprocessor, the microprocessor is used for calculating the middle height value of the height of the highest point and the height of the lowest point, and a top plate lifting system is controlled according to the difference value between the middle height value and the optimal scanning height, so that the top plate is lifted to the optimal height. On the premise of ensuring that an eyebrow listening line serves as a scanning base line, the brain of a patient is located in the center area of the brain scanning range of the equipment in the vertical direction through automatic lifting of the top plate.
Owner:XIAN CENT HOSPITAL
Magnetic brain scanning equipment
ActiveCN114847953AAvoid vibration transmissionGuaranteed no contactDiagnostic recording/measuringSensorsBrain scanningMagnetic stabilization
The invention provides brain magnetic scanning equipment. The brain magnetic scanning equipment comprises a scanning bed device, a magnetic shielding device, a brain magnetic detector installed on the scanning bed device and a magnetic stabilization configuration facilitating detection of brain magnetic signals by the brain magnetic detector. The scanning bed device comprises a bed body mechanism, a guide rail component and a fixing component used for fixing the guide rail component. The magnetic shielding device comprises a magnetic shielding cylinder and a fixing base used for fixing the magnetic shielding cylinder. Wherein one end of the guide rail component abuts against the bed body mechanism, the other end of the guide rail component extends into the magnetic shielding cylinder, a hole is formed in the magnetic shielding cylinder, and the fixing component penetrates through the hole to abut against the fixing base. According to the brain magnetic scanning equipment, the guide rail component is independent of the magnetic shielding cylinder, vibration of the guide rail component is prevented from being transmitted to the magnetic shielding cylinder, the stability of brain magnetic acquisition signals is greatly improved, and then the brain magnetic measurement accuracy can be better guaranteed.
Owner:BEIJING QUANMAG HEALTHCARE CO LTD
Craniotomy incision shape detection system and corresponding terminal
InactiveCN112515765AEasy to useSurgical navigation systemsSurgical systems user interfaceHuman bodyBrain scanning
The invention relates to a craniotomy incision shape detection system and a corresponding terminal. The craniotomy incision shape detection system comprises an intravenous injection device for injecting an isotope marker into the vein of the brain of a human body with an intracranial tumor, a craniotomy executing mechanism used for executing the cutting executing operation of the incision in the selected geometrical shape based on the craniotomy starting position and the craniotomy ending position on the brain selected by an operation executor, an on-site timing device used for starting the scanning action of a brain scanning mechanism after the injection of the intravenous injection mechanism reaches a preset time length, and the brain scanning mechanism used for scanning the brain of thehuman body with the intracranial tumor to obtain a corresponding instant brain image. The craniotomy incision shape detection system and the corresponding terminal are effective in logic and convenient to use. The brain opening with the matched geometrical shape can be selected based on the geometrical shape of the brain tumor, so that the shape of the brain opening is consistent with the shape of the brain tumor.
Owner:周建
A method and system for automatically extracting corpus callosum from magnetic resonance images
ActiveCN104083170BRealize automatic adjustmentImprove scanning efficiencyImage analysisDiagnostic recording/measuringDecision takingT1 weighted
The invention discloses a method and system for automatically extracting the extracting magnetic resonance image corpus callosum. The method comprises the steps of according to a midsagittal plane T1 weighted nuclear magnetism brain image, determining a brain outline threshold value and a corpus callosum threshold value; performing threshold segmentation on the image according to the brain outline threshold value and the corpus callosum threshold value to respectively obtain a brain outline binary image and a corpus callosum binary image; respectively performing margin tracing on the brain outline binary image and the corpus callosum binary image to acquire a brain outline position and a corpus callosum margin cluster; establishing a decision tree, and screening marginal information to determine a corpus callosum region; determining an angle of inclination and a central position of a brain scanning line set according to the corpus callosum region. By means of the method and system, the corpus callosum in the midsagittal plane T1 weighted nuclear magnetism brain image can be extracted automatically, automatic regulation of the scanning line set during brain scanning can be completed according to information on the corpus callosum and the like, scanning efficiency is increased, no manual regulation is needed, time and labor are saved, an strong practicability is achieved.
Owner:SHENZHEN ANKE HIGH TECH CO LTD
Brain-scanning device used to detect Alzheimer's disease
InactiveCN109480875BReduce workloadReduce work intensityTomosynthesisPatient positioning for diagnosticsBrain scanningPhysical medicine and rehabilitation
Owner:ZHEJIANG UNIV
Brainpet system for simultaneous MRI and pet imaging
In order to improve both spatial resolution and sensitivity for brain research and clinical activity, we have designed a combined PET / MRI insert for brain scanning, referred to herein as a "BrainPET insert" that can be fit onto and into a suitable MRI system. The BrainPET Insert comprises, in order, a receive (Rx) coil positioned within and adjacent to a transmit (Tx) coil and a PET ring, wherein both the Rx coil and the Tx coil are within the PET ring.
Owner:SINO CANADIAN HEALTH ENGINEENING RESEARCH INSTITUTE (HEFEI) LTD
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