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7620442 |
Colonography on an unprepared colon
A method for generating colonography images for colorectal screening of a patient. The patient is administered an amount of radiopaque stool marker which will enable stool present in the patient's...
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7616985 |
Method and apparatus for 3-D imaging of internal light sources
The present invention provides systems and methods for obtaining a three-dimensional (3D) representation of one or more light sources inside a sample, such as a mammal. Mammalian tissue is a turbid...
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7616983 |
Device for guiding a magnetic element
A device for guiding a magnetic element has magnet holders that can be pivoted about vertical axes from an operating position to a rest position, such that a patient to be examined can be examined...
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7613503 |
Device with infusion holes for imaging inside a blood vessel
An imaging device such as a catheter has a plurality of infusion holes adapted to infuse liquid into the blood stream while substantially preventing radial jetting. An example imaging catheter...
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7610082 |
Optical system and method for in-vivo transcranial examination of brain tissue of a subject
An optical examination technique employs an optical system for in vivo non-invasive transcranial examination of brain tissue of a subject. The optical system includes an optical module arranged for...
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7606615 |
Methods and apparatus for acute or chronic delivery of substances or apparatus to extravascular treatment sites
Methods and apparatus for delivery of substances or apparatus to target sites located outside blood vessels within the body of a human or animal patient. A vessel wall penetrating catheter is...
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7606614 |
Prediction methods and apparatus
A method includes predicting a contrast bolus arrival time, and performing at least one of the following: a) automatically switching from a monitor phase to a scan phase at the predicted arrival...
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7604404 |
X-ray imaging apparatus
An X-ray imaging apparatus includes a substantially C-arm, a support mechanism which rotatably supports substantially the C-arm, a rotation driving unit which drives rotation of substantially the...
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7603167 |
Method and apparatus for 3-D imaging of internal light sources
The present invention provides systems and methods for obtaining a three-dimensional (3D) representation of one or more light sources inside a sample, such as a mammal. Mammalian tissue is a turbid...
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7599731 |
Fluorescent light tomography
Described herein are systems and methods for obtaining a three-dimensional (3D) representation of the distribution of fluorescent probes inside a sample, such as a mammal. Using a) fluorescent...
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7596254 |
Intra-operative 3-D reconstruction of bone cement boli using X-rays
The present invention provides method of generating a 3-D image of at least one cement bolus in relation to a bone comprising acquiring a plurality of fluoroscopic images of the bolus during or...
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7583992 |
Magnetic resonance angiography with automated vessel segmentation
A magnetic resonance angiogram (MRA) is acquired using a contrast enhancement method in which a series of NMR images are rapidly acquired during a time resolved phase of the examination in which...
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7577473 |
Apparatus for subcutaneous placement of an imaging marker
A subcutaneous marking apparatus for placement of an imaging marker at a predetermined site in a tissue mass comprises a handle having a front portion and a rear portion, a cannula, a stylet...
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7566321 |
Device for the injection of medical preparations with CT/MRI monitoring
In a device for the injection of medical preparations, into a patients body during an examination in a Computer Tomograph (CT) or in a Magnetic Resonance Tomograph (MRT) or endoscopically,...
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7565191 |
Tissue site markers for in vivo imaging
The invention is directed biopsy site markers and methods of marking a biopsy site, so that the location of the biopsy cavity is readily visible by conventional imaging methods, particularly by...
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7558616 |
Guidance of invasive medical procedures using implantable tags
Apparatus for locating a tissue within a body of a subject includes an acoustic tag configured to be fixed to the tissue and adapted, responsive to acoustic waves incident thereon, to return...
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7555332 |
Fluorescent light tomography
Described herein are systems and methods for obtaining a three-dimensional (3D) representation of the distribution of fluorescent probes inside a sample, such as a mammal. Using a) fluorescent...
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7553287 |
Guidewire having an embedded matrix polymer
A guidewire having an embedded matrix polymer construction and methods of making and using the same. The guidewire may include a core wire or member having a proximal region and distal region, a...
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7540854 |
Method of substituting a first fluid delivery device with a second fluid delivery device
A method of substituting an MRI incompatible pump for delivering fluid to a patient with an MRI compatible pump, both pumps being microprocessor controlled. The first pump operates upon...
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7539529 |
Apparatus for angiographic X-ray photography
The invention relates to an X-ray imaging device for visualizing the blood flow in a coronary vascular tree of a patient. According to the invention a first set ( 1 ) of X-ray projection images of...
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7536219 |
4D imaging with a C-arm X-ray system
The present invention utilizes external motion sensors to determine a periodic motion of a patient being examined when generating a series of projected images with a C-arm X-ray device....
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7529576 |
Device and method for measuring blood flow in an organ
A device has a source for emitting near infrared radiation into cerebral tissue, a sensor for detecting radiation exiting from the tissue, and an evaluation unit which detects the exiting radiation...
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7512435 |
Delay-compensated calculation of tissue blood flow
Methods for computing perfusion parameters are described. The methods are typically used to analyze magnetic resonance (MR) and other image data and to calculate tissue perfusion parameters such as...
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7512434 |
Remotely powered injector
A remotely powered magnetic resonance (NR) contrast media injector eliminates the use of batteries to power a power head in a shielded magnet room thereby eliminating inconvenient and costly...
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7505811 |
Method and apparatus for examining tissue for predefined target cells, particularly cancerous cells, and a probe useful in such method and apparatus
A method, apparatus and probe for examining tissue for the presence of target cells, particularly cancerous cells, by subjecting the tissue to be examined to a contrast agent containing small...
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7502500 |
Automated processing of dynamic cardiac acquisition data
Provided is a system and method for acquiring and processing dynamic cardiac data, comprising a radiation detector for acquiring image data, identifying a region of interest by performing, for...
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7496175 |
X-ray diagnostic apparatus and image processing apparatus
An image processing apparatus includes a storage unit which stores the data of a plurality of images in an angiography sequence, and a computation unit which generates a reference time density...
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7481800 |
Triple lumen stone balloon catheter and method
A triple lumen stone balloon catheter ( 1 ) having a tapered distal end ( 9 ). A lumen ( 24 ) dedicated to transmitting contrast media is dimensioned and adapted to conform to the shape of a kidney...
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7481758 |
Pharmaceutically enhanced low-energy radiosurgery
Contrast agents developed specifically for x-ray diagnostics provide dose-enhanced radiotherapy and radiosurgery. The presence of heavy elements, for example, gold or iron, from these contrast...
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7477929 |
Method for forecasting the contrast medium flow in a living body
A method is disclosed for forecasting the contrast medium flow in a living body, in particular in a patient, in which a defined test bolus with a contrast medium is injected, preferably...
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7467006 |
Magnetic resonance imaging system and contrast-enhanced angiography
An MRI system capable of acquiring a high-quality blood vessel image even during a measuring period other than at an injected contrast medium concentration peak by always picking up an image under...
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7447538 |
Method and apparatus for displaying a tissue containing a fluorescent dye
A method is disclosed for displaying a tissue containing a fluorescent dye at least in sections. In order to reduce interference signals, it is proposed to record a first fluorescent image during...
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7430276 |
Low dose X-ray mammography method
A mammography method images breast tissue with an end window X-ray transmission tube to detect the presence of neovascular micro-vessels as defining vascular structure associated with a suspect...
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7424320 |
Tissue localizing and marking device and method of using same
A delivery apparatus for the percutaneous placement of a medical device at an area of interest in a tissue mass comprises an introducer comprising a cannula having an insertion tip, an expulsion...
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7416533 |
Marking biopsy sites
A needle biopsy system for marking a sampling site is described.
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7412279 |
Systems and methods for targeted magnetic resonance imaging of the vascular system
This invention relates to MRI-based methods and systems useful for diagnosing and clinically assessing the presence, location, and size of cardiovascular disease-associated stationary targets,...
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7409240 |
System and method for imaging myocardial infarction
One aspect of the present invention relates to imaging a patient to determine whether he or she has suffered a myocardial infarction. According to this method, a patient is injected with a bolus...
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7406347 |
Device for making visible a pathological change in a part of the body labeled with a fluorescent dye
The invention relates to a device for making visible a pathological change in a part of a patient's body labeled with a fluorescent dye, the device having: a first selectable light source ( 11, 17...
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7406148 |
Method for imaging with the aid of a multirow computed tomograph
A method is for imaging with the aid of a multirow computed tomograph. A volume scan of an examination area of a patient is carried out, with the injection of a contrast medium, at a scanning speed...
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7403812 |
Method and apparatus for determining target depth, brightness and size within a body region
A method of investigating the location and size of a light-emitting source in a subject is disclosed. In practicing the method, one first obtains a light intensity profile by measuring, from a...
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7398118 |
Customized material for improved radiopacity
A method for obtaining diagnostic information about a region of a living being, the region having a medical device with a radiopaque portion disposed therein. An X-ray beam having a first energy...
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7397364 |
Digital wireless position sensor
A method is provided for tracking an object, including positioning a radio frequency (RF) driver to radiate an RF driving field toward the object, and fixing to the object a wireless transponder...
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7383076 |
Fluorescence-mediated molecular tomography
This invention relates to a fluorescence-mediated molecular tomographic imaging system, designed to detect near-infrared fluorescence activation in deep tissues. The system can use targeted...
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7379062 |
Method for determining a path along a biological object with a lumen
A path between specified start and end voxels along a biological object with a lumen, such as a vessel, within a patient image three-dimensional volume data set comprising an array of voxels of...
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7363072 |
Method and apparatus to remove substances from vessels of the heart and other parts of the body to minimize or avoid renal or other harm or dysfunction
To accomplish isolation and removal of a substance from a vasculature, a catheter is employed to occlude a vessel of the vasculature. The substance is thus isolated in the vasculature and can be...
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7351402 |
Polarizing agents for dynamic nuclear polarization
We describe polarizing agents for use in enhancing NMR and MRI signals via dynamic nuclear polarization (DNP). The polarizing agents include two or more paramagnetic centers, preferably two...
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7351221 |
Container for agitating and injecting a multi-component medium
A system for dispensing a medium includes at least a first container to hold the medium, a pressurizing device, such as a pump, in fluid connection with the container for pressurizing the medium,...
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7347829 |
Introduction system for minimally invasive surgical instruments
A medical system is disclosed that includes a cannula, an introducer stylet removably disposed within the cannula and a target confirmation device selectively insertable within the cannula. In an...
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7346384 |
Method of magnetic resonance investigation of a sample using a nuclear spin polarised MR imaging agent
The present invention provides a method of contrast enhanced magnetic resonance imaging of a sample, said method comprising: a) administering a hyperpolarised MR contrast agent comprising non-zero...
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7346202 |
Automatically detecting the presence of contrast agent in medical image
A CAD system pre-analyzes a medical image to automatically determine whether contrast agent was introduced into the patient before forming that image. In one embodiment, contrast agent detection is...
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