| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 600412000 | Temperature detection | 15 |
| 20080287773 | Mri Thermometry Involving Phase Mapping and Reference Medium Used as Phase Reference - The apparatus | 11-20-2008 |
| 20090198122 | SYSTEMS AND METHODS FOR DETERMINING METABOLIC RATE USING TEMPERATURE SENSITIVE MAGNETIC RESONANCE IMAGING - A method for determining a metabolic rate of a portion of a body of a patient. The method includes obtaining magnetic resonance information from the portion of the body after introduction of a fluid and determining a magnetic resonance parameter using the magnetic resonance information. The method further includes using the magnetic resonance parameter to determine a temperature differential in the portion of the body and using the temperature differential to determine a metabolic rate of the portion of the body. | 08-06-2009 |
| 20090275821 | TI-CORRECTED PROTON RESONANCE FREQUENCY SHIFT THERMOMETRY - An apparatus and method for correcting magnetic resonance temperature measurements is disclosed. In one aspect, the method identifies monitoring regions of interest outside a therapeutic region of interest. Next, a pulse sequence sensitive to changes in T | 11-05-2009 |
| 20100185081 | MAGNETIC RESONANCE THERMOMETRY IN THE PRESENCE OF WATER AND FAT - The in vivo measurement of tissue temperature is performed during a medical procedure using an MRI system. Fat and Water images are acquired at each temperature measurement time and corresponding phase images are produced. A temperature map is produced by subtracting the phase at each Fat image pixel from the corresponding pixel in the Water phase image to improve measurement accuracy in tissues with fat/water mixtures. | 07-22-2010 |
| 20100217115 | TEMPERATURE SENSING WITHIN A PATIENT DURING MR IMAGING - A tear-away sheath is provided for use in an invasive procedure for insertion of a conductive device into a patient while the insertion is guided using Magnetic Resonance Imaging and has a peripheral wall surrounding a hollow interior through which a conductive device can be inserted. At least one and preferably two lines of weakness are formed along the length of the peripheral wall at which the sheath can be torn longitudinally so allow the peripheral wall to be opened to release engagement with a conductive device inserted therethrough. A temperature sensing device is embedded in the peripheral wall at or adjacent the distal end with an optical fiber extending longitudinally of the peripheral wall from the distal end to a position exposed form the patient for communicating the sensed temperature to a display device. | 08-26-2010 |
| 20110066028 | SYSTEMS AND METHODS FOR REMOTE MONITORING OF IMPLANTABLE MEDICAL DEVICE LEAD TEMPERATURES DURING AN MRI PROCEDURE - Systems and methods are provided for detecting and responding to excessive heating of implantable medical device leads, such as leads used with pacemakers or implantable cardioverter-defibrillators (ICDs), during a magnetic resonance imaging (MRI) procedure. In one example, a critical temperature is determined for the lead that is representative, e.g., of the temperature at which tissue damage might occur or pacing/sensing might be significantly impaired. A temperature threshold is then set based on the critical temperature by subtracting a predetermined safety margin. Lead temperatures are then sensed during the MRI procedure. The lead temperatures are compared against the threshold and suitable warnings are transmitted to an external monitoring system if lead temperatures exceed their thresholds so that the attending personnel can take corrective action. The implantable device may also be programmed to take corrective action, such as automatically changing pacing modes, adjusting pulse magnitudes or sensitivity values, etc. | 03-17-2011 |
| 20110092801 | METHOD FOR OBTAINING MAGNETIC RESONANCE IMAGE DATA USING A MULTI-ECHO MR SEQUENCE WITH IMPROVED SIGNAL-TO-NOISE RATIO OF THE PHASE INFORMATION - In a method and magnetic resonance (MR) system to create an MR magnitude image data set and a phase image data set of an examination subject, first echo signals in a first raw MR data set are detected after a first echo time TE | 04-21-2011 |
| 20110224536 | SYSTEMS AND METHODS FOR DETERMINING A TEMPERATURE DIFFERENTIAL USING TEMPERATURE SENSITIVE MAGNETIC RESONANCE IMAGING - A method and apparatus for determining a temperature differential at a portion of a patient's body utilizing temperature sensitive MRI measurements. A diagnostic fluid bolus is administered into a blood vessel of the patient, wherein the diagnostic fluid bolus has a diagnostic fluid bolus temperature waveform. MRI measurements are used to determine the thermodiluted temperature waveform of the diagnostic fluid bolus at a target site in the body spaced away from the administration site. The temperature differential may be used to determine a cardiovascular parameter. | 09-15-2011 |
| 20110263969 | SAR ESTIMATION IN NUCLEAR MAGNETIC RESONANCE EXAMINATION USING MICROWAVE THERMOMETRY - The present embodiments relate to methods and devices for measuring a spatial temperature and/or SAR distribution in an examination subject in a magnetic resonance tomography device. Microwave thermosensors are provided for measuring the temperature with the aid of microwaves. | 10-27-2011 |
| 20120271152 | METHOD FOR MEASURING AND IMAGING TEMPERATURE DISTRIBUTION IN TISSUE - Disclosed are a method for measuring temperature distribution, which measures temperature distribution not only in fat tissue but also in mixed tissue containing high-water content tissue and fat tissue, and a method for imaging temperature distribution. In the disclosed method, a water signal, which is dependent on the water components of the tissue to be measured, and a fat signal, which is dependent on the fat components of the tissue to be measured, are acquired by means of nuclear magnetic resonance spectroscopy. Fatty acid signals are acquired by separating out the fat signal into various fatty acid components. The temperature of high-water content tissue is measured on the basis of the correlation between the water signal and the water temperature, and the temperature of fat tissue is measured on the basis of the correlation between each of the various fatty acid signals and the fat temperature. | 10-25-2012 |
| 20130102880 | METHOD AND APPARATUS FOR PHOTOMAGNETIC IMAGING - A method for photomagnetic imaging of tissue includes the steps of heating the tissue using light; measuring a change in temperature of the tissue with magnetic resonance thermometry; and creating an optical property map from the measured change in temperature. An apparatus for performing photomagnetic imaging of tissue which includes a light source to heat the tissue, a magnetic resonance imaging system to measure a change in temperature of the tissue, and a data processor to generate an optical property map from the measured change in temperature. An optical property map of tissue photomagnetic imaging of tissue produced by: heating the tissue using light; measuring a change in temperature of the tissue with magnetic resonance thermometry; and creating an optical property map from the measured change in temperature. | 04-25-2013 |
| 20130150705 | SYSTEMS AND METHODS FOR IMAGING A BLOOD VESSEL USING TEMPERATURE SENSITIVE MAGNETIC RESONANCE IMAGING - A method for producing an image of a blood vessel in a patient utilizing temperature sensitive MRI measurement. The method includes introducing a fluid in a blood vessel, obtaining magnetic resonance information from the blood vessel, and determining a magnetic resonance parameter using the magnetic resonance information. The method further includes using the magnetic resonance parameter to determine a temperature differential in the blood vessel and producing an image of the blood vessel based on the temperature differential. Systems for producing an image of a blood vessel in a patient using temperature sensitive MRI measurements are also provided. | 06-13-2013 |
| 20140275969 | FUNCTIONAL BROWN ADIPOSE TISSUE IMAGING TECHNIQUE - Disclosed embodiments for assessing brown adipose tissue use imaging of metabolic contrast agents. For example, activated brown adipose tissue may be assessed by evaluating a difference in production of the hyperpolarized | 09-18-2014 |
| 20150038828 | INTERPOLATED THREE-DIMENSIONAL THERMAL DOSE ESTIMATES USING MAGNETIC RESONANCE IMAGING - The invention provides for a medical apparatus ( | 02-05-2015 |
| 20160192859 | MAGNETIC RESONANCE IMAGING APPARATUS AND TEMPERATURE INFORMATION MEASUREMENT METHOD | 07-07-2016 |
