U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5100138

Motorized Mobile Boxing Robot

A simulation environment for the sport of boxing utilizing a robotic machine interface system which carries a person

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 600/412 - Temperature detection


Subclass of Class 600 - Surgery
Definition: MRI including a device to measure the amount or change of
No. of patents: 77
Last issue date: 02/14/2012


1    
NumberTitleIssue Date
8116843Method for automatically selecting region of interest covering heated area
In a method for automatically selecting a region of interest covering a heated area, in the context of high intensity focused ultrasonic technology during acquisition of magnetic resonance data, phase data of a scanned area are acquired, and a heated area is identif...
02/14/2012
8024025T1-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 T1 an...
09/20/2011
7542793MR-guided breast tumor ablation and temperature imaging system
An MRI system is employed to aim an ultrasonic transducer at tissues to be treated and to produce images which enable the treatment of the tissues to be monitored. A pulse sequence is used which produces both a spin-echo NMR signal and a gradient-echo NMR signal and...
06/02/2009
7372274Methods and devices configured for dissolving hyperpolarised solid material with a solvent within a cryostat for NMR analyses
The present invention relates to devices and method for dissolving solid polarised material while retaining a high level of polarisation. In an embodiment of the present invention a material is polarised in a strong magnetic field in a cryostat 2 and then bro...
05/13/2008
7369898System and method for responding to pulsed gradient magnetic fields using an implantable medical device
Implantable medical devices, such as pacemakers or implantable cardioverter defibrillators (ICDs), are vulnerable to the powerful magnetic fields associated with magnetic resonance imaging (MRI). In particular, pulsed gradient components, if strong enough, can induc...
05/06/2008
7359745Method to correct magnetic field/phase variations in proton resonance frequency shift thermometry in magnetic resonance imaging
PRF shift MRI data is acquired. The PRF shift MRI data may include signals affected by both a desired PRF shift and an undesired PRF shift. Thus, example systems and methods describe manipulating the PRF shift MR! data to make it substantially free of the effects of...
04/15/2008
7348890Pest control techniques
A pest control system (20) includes pest control devices (110) installed about an area or building (22). These devices (110) each include a bait member and a communication circuit. The communication circuit may be in the form of a passive...
03/25/2008
7304277Resonator with adjustable capacitor for medical device
An apparatus, system and method of a resonator device with an adjustable capacitor for allowing the resonance frequency (F) of the resonator device to continue to be matched to the Larmor frequency of the MRI system. The resonator device includes an inductor coil, a...
12/04/2007
7297907Means and method of maintaining a constant temperature in the magnetic assembly of a magnetic resonance device
The present invention discloses a novel active insulation device and method for thermally shielding an external body from temperature fluctuations of a contained body. The method comprising providing an active thermal insulation envelope between the contained body a...
11/20/2007
7292719System and method for imaging
A system for determining presence or absence of one or more thermally distinguishable objects in a living body is disclosed. The system comprises a combined image generator configured for combining non-thermographic three-dimensional data of a three-dimensional tiss...
11/06/2007
7289856Medical electrical lead containing a pyroelectric material
A medical electrical lead containing a pyroelectric material is provided. The pyroelectric material is capable of dissipating heat generated in the lead due to radio frequency energy. The pyroelectric material may be a polymeric material, such as polyvinylidene fluo...
10/30/2007
7279664Resonator for medical device
A resonator device including an induction coil, a conductive member positioned adjacent the induction coil, and a dielectric layer between at least a portion of the induction coil and the conductive member to form a capacitor structure. In one embodiment, the conduc...
10/09/2007
7251519MR-method for the in vivo measurement of temperature or pH-value by means of a hyperpolarised contrast agent
The present invention provides a method of MR investigation of a sample, said method comprising: (i) nuclear spin polarizing a high T1 MR imaging agent which contains in its molecular structure at least two hyperpolarisable nuclei within the same molecule, the frequ...
07/31/2007
7246939Measurement of thermal diffusivity, thermal conductivity, specific heat, specific absorption rate, thermal power, heat transfer coefficient, heat of reaction and membrane permeability by nuclear magnetic resonance
This invention utilizes the nuclear magnetic resonance imaging and spectroscopy to experimentally measure thermal diffusivity, thermal conductivity, specific heat, specific absorption rate, thermal power, heat transfer coefficient, heat of reaction and the membrane ...
07/24/2007
7217245Noninvasive methods for detecting abnormalities in a subject such as disease or dysfunction
The systems, methods and apparatus of the present invention comprise noninvasive methods of measuring temperature changes and rates of temperature change in selected body tissues and fluids as a result of absorption and/or dissipation of externally applied heat for ...
05/15/2007
7209778Embedded thermal control system for high field MR scanners
A thermal control system having an initial bore condition and a thermal boundary condition for an MRI includes a thermal controller adapted to set at least one dynamic limit on power input into an MRI gradient coil. The dynamic limit is determined for a first comman...
04/24/2007
7123010Magnetic resonance apparatus and operation method for hyperthermic treatment
In a magnetic resonance system and operating method, antenna elements in an antenna array are disposed around an examination volume, and each antenna element has a separate transmission channel and reception channel associated therewith. The magnetic resonance appar...
10/17/2006
7102354Methods and devices for hyperpolarising and melting NMR samples in a cryostat
The present invention relates to devices and method for melting solid polarised sample while retaining a high level of polarisation. In an embodiment of the present invention a sample is polarised in a sample-retaining cup 9 in a strong magnetic field in a po...
09/05/2006
7050617Method for homogenizing the imaging produced from a magnetic resonance measurement
In a method for homogenizing the imaging obtained by a magnetic resonance measurement of a body region, wherein a local antenna of small dimensions and an antenna arrangement arranged outside the body and of larger dimensions are used for imaging, in order to obtain...
05/23/2006
7039455Apparatus and method for removing magnetic resonance imaging-induced noise from ECG signals
An apparatus and method is provided for improving the quality of electrocardiogram (ECG) signals obtained from a patient undergoing magnetic resonance imaging (MRI) wherein the ECG signal has relatively high levels of noise or interference voltages induced on it by ...
05/02/2006
6940280Systems and methods for manipulating changes in phase encodes
To reduce artifacts caused by sudden change of a phase encode amount, data Hj, Mj, and Lj having a large phase encode amount are collected, and then, when collecting data C3j-4, C3j-3, and C3j-2 having a small phase encode amount, a ...
09/06/2005
6905492Planning and facilitation systems and methods for cryosurgery
Systems and methods for planning a cryoablation procedure and for facilitating a cryoablation procedure utilize integrated images displaying, in a common virtual space, a three-dimensional model of a surgical intervention site based on digitized preparatory images o...
06/14/2005
6768917Magnetic resonance imaging method and system
A method of forming a magnetic resonance image involves separate measurement of the position of a measuring site. The magnetic resonance image is corrected on the basis of the measured position of the measuring site. ...
07/27/2004
6757417Method and apparatus for defining a three-dimensional imaging section
A method of defining a three-dimensional imaging section which comprises displaying a plurality of localizer images of the structure of interest, acquiring operator inputs that designate regions on the plurality of localizer images and that correspond to regions wit...
06/29/2004
6640130Integrated imaging apparatus
The invention is directed to imaging methods for performing real-time or near real-time assessment and monitoring. Embodiments of these methods are useful in a plurality of settings including surgery, clinical procedures, tissue assessment, diagnostic pro...
10/28/2003
6618608Thermal imaging of fat and muscle using a simultaneous phase and magnitude double echo sequence
A method for magnetic resonance imaging includes applying a first two echo gradient echo sequence to a tissue region, the first two echo sequence generating a first echo and a subsequent second echo. A second two echo gradient echo sequence is applied aft...
09/09/2003
6615069Magnetic resonance imaging device
An MRI apparatus and method in which image data is produced using NMR signals obtained in plural measurements performed at different times respectively. Data is calculated indicating temperature distribution within the object for image data of each measur...
09/02/2003
6430429Magnetic resonance imaging system with an interventional instrument
A magnetic resonance imaging (MRI) system is provided with an interventional instrument with an indicator element which influences, for example locally disturbs, the magnetic resonance image. The position of the interventional instrument within the patien...
08/06/2002
6418337MRI guided hyperthermia surgery
An MRI guided surgical apparatus includes a heat source formed by a laser and an optical fiber carrying the heat energy into a part to be coagulated by hyperthermia with an end reflector to direct the energy in a beam to one side of the fiber end. The fib...
07/09/2002
6377834Real time in vivo measurement of temperature changes with contrast enhanced NMR imaging
NMR images indicative of thermal changes in tissues undergoing therapy are produced using a gradient-recalled echo pulse sequence. Prior to therapy a contrast agent which shortens spin T1 relaxation time is injected into the patient and a refer...
04/23/2002
6334846Ultrasound therapeutic apparatus
An ultrasonic therapeutic apparatus consisting of a therapeutic ultrasonic wave generating source driven by a driver circuit to generate therapeutic ultrasonic waves, an in vivo imaging probe so as to obtain a tissue tomographic image in the vicinity of t...
01/01/2002
6280384Intracorporeally introducible suspension of ferromagnetic particles and method using same for spatially resolved body temperature monitoring
In a method for spatially resolved temperature monitoring in an examination subject, a suspension of ferromagnetic microparticles is intracorporeally introduced into the body Curie temperature of which substance corresponds to a desired temperature limit ...
08/28/2001
6246896MRI guided ablation system
An MRI system acquires NMR tracking data from a tracking coil imbedded in an ablation device which is guided by a physician using real time anatomic images produced from image data acquired by the MRI system. The same tracking coil is energized by an RF p...
06/12/2001
6194899Temperature monitoring method, temperature monitoring apparatus and magnetic resonance apparatus
An absolute temperature measuring pulse sequence is executed and, subsequently, a relative temperature measuring pulse sequence is repeatedly executed. Since while a relative temperature can be measured from phase information, an absolute temperature requ...
02/27/2001
6188923Method and apparatus for local heating and global monitoring of a tissue
A method and an apparatus for local heating and global monitoring of a tissue disposed in an imaging device, monitored by the imaging device and substantially simultaneously heated by focused ultrasound from an appropriate source. The ultrasound is genera...
02/13/2001
6100690Radio frequency coil for magnetic resonance imaging apparatus
In a magnetic resonance imaging apparatus being medical diagnostic equipment for understanding the internal structure of a human body, a radio frequency coil for a magnetic resonance imaging apparatus is provided for transmitting and receiving a magnetic ...
08/08/2000
6091242Magnetic reasonance diagnosis apparatus
An inversion pulse is applied to the subject in a static magnetic field. An excitation pulse is applied after a delay time depending on the time constant of the longitudinal relaxation of the spins of proton contained in fat molecule from this inversion p...
07/18/2000
6067371Method and system for non-invasive temperature mapping of tissue
A method and system for mapping temperature from image data. The method includes the steps of: receiving an image of tissue comprised of multiple pixels, segregating the image into groups of pixels (104), each group of pixels having a set of descriptors (...
05/23/2000
6064206Method of and device for determining a temperature distribution in an object by means of magnetic resonance
The invention relates to a method of determining, utilizing magnetic resonance, a temperature distribution of a part of an object which is arranged in a substantially uniform steady magnetic field, the determination of the temperature distribution involvi...
05/16/2000
6032068Non-invasive measurement of frozen tissue temperature using MRI signal
Temperature in frozen tissue can be measured from magnetic resonance signals from the frozen tissue based on spin-spin relaxation time (T2) or based on relative intensity of the magnetic resonance signals. Short echo times are required, and use of tailore...
02/29/2000
1    
 
Sign InRegister
Username  
Password   
forgot password?