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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 6028429 | Composite MRI antenna with reduced stray capacitance An antenna system for a magnetic resonance imaging apparatus has an active coil connected between a transmitter or receiver and ground and also has an isolated loop coil which is not conductively connected to ground. The isolated loop coil preferably over... | 02/22/2000 |
| 6011392 | Method for reducing Maxwell term artifacts in fast spin echo MR images Fast spin echo pulse sequences are adjusted to reduce, or eliminate image artifacts caused by Maxwell terms arising from the linear imaging gradients. The waveforms of the slice selection, phase encoding and readout gradients are adjusted in shape, size o... | 01/04/2000 |
| 6008644 | Nuclear Polarization Enhanced Nuclear Magnetic Resonance Imaaging This invention relates to a method of electron spin resonance enhanced magnetic resonance imaging which relies on ex vivo dynamic nuclear polarisation of an MR imaging agent.... | 12/28/1999 |
| 5998998 | Gradient coil for NMR devices A gradient coil (1) to generate switched magnetic field gradients in an nuclear spin resonance (NMR) device consisting of one or several current paths (a, b) following windings and being arranged on the surface of a geometric body is characterized in that... | 12/07/1999 |
| 5944663 | Apparatus for treatment with acoustic waves In an apparatus for treatment of a subject with acoustic waves, a spatial allocation, required for the treatment of the patient and a source of acoustic waves relative to each other is effected by a surgical work station using a three-dimensional navigati... | 08/31/1999 |
| 5926022 | Method for flow compensating a multi-shot echo-planar MRI pulse sequence A bipolar, phase-encoding, pre-phaser pulse is employed in each shot of a multi-shot EPI pulse sequence to smooth the phase-encoding gradient first moment throughout the scan. The first moment of the pre-phaser pulse is calculated for each shot in the sca... | 07/20/1999 |
| 5916161 | Magnetic resonance imaging apparatus with temperature measurement function A magnetic resonance imaging apparatus capable of measuring a temperature increase due to an application of RF magnetic fields for data acquisition purpose, and notifying an information on the measured temperature increase regularly to an operator, so as ... | 06/29/1999 |
| 5906584 | Device for the invasive thermometrical measurement and for the introduction of a medicament for surface and deep hyperthermia treatments A device for invasive temperature measurements during surface and deep hyperthermia treatments. The device includes a needle-pin element and a catheter of a biocompatible material semi-rigid sheath surrounding the needle-pin element. The needle-pin elemen... | 05/25/1999 |
| 5753207 | Use of paramagnetic compounds to measure temperature and pH in vivo A method for measuring temperature and/or pH in vivo using paramagnetic compounds, e.g., lanthanide complexes, in conjunction with NMR has been developed. The chemical shift of the nuclear spin in these complexes can then be correlated to temperature. Thi... | 05/19/1998 |
| 5730134 | System to monitor temperature near an invasive device during magnetic resonance procedures A temperature monitoring system employs a temperature detection means incorporated into an invasive device intended to be placed within a body during a magnetic resonance procedure. The temperature monitoring system is used to monitor temperature rises in... | 03/24/1998 |
| 5711300 | Real time in vivo measurement of temperature changes with NMR imaging NMR images indicative of thermal changes in tissues undergoing therapy are produced using a gradient-recalled double-echo pulse sequence. A reference phase image is produced using a short echo time (TE1) and a measurement phase image is produce... | 01/27/1998 |
| 5706810 | Magnetic resonance imaging assisted cryosurgery Methods and apparatus for magnetic resonance imaging (MRI) assisted cryosurgery. Optimal probe placements and cooling parameters are calculated prior to cryosurgery using MRI data. A MRI compatible cryoprobe and a stereotactic probe positioning device are... | 01/13/1998 |
| 5694945 | Apparatus and method for intrabody mapping This invention concerns an apparatus and method for the treatment of cardiac arrhythmias. More particularly, this invention is directed to a method for ablating a portion of an organ or bodily structure of a patient, which comprises obtaining a perspectiv... | 12/09/1997 |
| 5553618 | Method and apparatus for ultrasound medical treatment An ultrasound medical treatment system capable of determining the hot spot at high spatial resolution, and preventing the displacement of the hot spot from the focal point. In the system, the imaging device for obtaining image data of a treatment portion ... | 09/10/1996 |
| 5492122 | Magnetic resonance guided hyperthermia A hyperthermia treatment apparatus includes an annular radio frequency (RF) antenna array with bolus that is compatible with a magnetic resonance imaging (MRI) machine. Antenna elements polarized parallel to the axis of the cylinder are used for forming a... | 02/20/1996 |
| 5485839 | Method and apparatus for ultrasonic wave medical treatment using computed tomography An ultrasonic wave medical treatment in which the position of the focal point of the ultrasonic waves, the temperature in a vicinity of the object to be treated, and the effect of the treatment can be determined easily and accurately. The three-dimensiona... | 01/23/1996 |
| 5441532 | Adaptive focusing and nulling hyperthermia annular and monopole phased array applicators An R.F. hyperthermia phased array applicator uses adaptive nulling and focusing with non-invasive electric field probes to control the electric field intensity at selected positions in and around a target body to provide improved heating of solid tumors d... | 08/15/1995 |
| 5433717 | Magnetic resonance imaging assisted cryosurgery Methods and apparatus for magnetic resonance imaging (MRI) assisted cryosurgery. Optimal probe placements and cooling parameters are calculated prior to cryosurgery using MRI data. A MRI compatible cryoprobe and a stereotactic probe positioning device are... | 07/18/1995 |
| 5397562 | Use of 19 F magnetic resonance to non-invasively assess pO2 and temperature in vivo Oxygen tension of tissue in a living subject may be determined non-invasively by a method which involves: administering to a living mammalian subject a biologically compatible perfluorocarbon emulsion in an amount effective to generate a measurable 1... | 03/14/1995 |
| 5378987 | Method and apparatus for non-invasive measurement of temperature distribution within target body using nuclear magnetic resonance imaging A non-invasive measurement of a temperature distribution within a target body using a nuclear magnetic resonance imaging, capable of realizing a high speed and a high precision measurement, and accounting for a displacement of the target body during the m... | 01/03/1995 |
| 5368031 | Magnetic resonance surgery using heat waves produced with a laser fiber Surgery is performed with pulsed heat means that selectively destroys tissue in a region within a patient. The size of the region destroyed is dependent upon the frequency of the pulses of the pulsed heat means and thermal conductivity of the tissue of th... | 11/29/1994 |
| 5327884 | Heat surgery system monitored by real-time magnetic resonance temperature profiling Surgery is performed with a pulsed heat-producing device that selectively heats a region in a specific tissue within a patient destroying the tissue. The pulsed heat-producing device may be a coherent optical source that is guided by laser fiber to the ti... | 07/12/1994 |
| 5323779 | Heat surgery system monitored by real-time magnetic resonance temperature profiling Surgery is performed with a pulsed heat-producing device that selectively heats a region in a specific tissue within a patient destroying the tissue. The pulsed heat-producing device may be a coherent optical source that is guided by laser fiber to the ti... | 06/28/1994 |
| 5307812 | Heat surgery system monitored by real-time magnetic resonance profiling Surgery is performed with a pulsed heat-producing device that selectively heats a region in a specific tissue within a patient destroying the tissue. The pulsed heat-producing device may be a coherent optical source that is guided by laser fiber to the ti... | 05/03/1994 |
| 5291890 | Magnetic resonance surgery using heat waves produced with focussed ultrasound Surgery is performed with pulsed heat means that selectively destroys tissue in a region within a patient. The size of the region destroyed is dependent upon the frequency of the pulses of the pulsed heat means and thermal conductivity of the tissue of th... | 03/08/1994 |
| 5284144 | Apparatus for hyperthermia treatment of cancer A hyperthermia applicator/MRI probe assembly for hyperthermia treatment of a subject. The assembly includes a hyperthermia applicator for heating target regions of a subject and a MRI probe which is utilized to monitor temperatures within the heating regi... | 02/08/1994 |
| 5275165 | Magnetic resonance guided ultrasound therapy system with inclined track to move transducers in a small vertical space A magnetic resonance (MR) surgery system facilitates surgery with a focussed ultrasound transducer that selectively destroys tissue in a region within a subject. The focussed energy transducer dissipates energy at a focal point within the region of tissue... | 01/04/1994 |
| 5263482 | Thermographic imaging There is provided a method of and apparatus for thermographic imaging involving the use in electron spin resonance enhanced magnetic resonance imaging (ESREMRI) of a paramagnetic contrast agent having in its esr spectrum a temperature dependant transition... | 11/23/1993 |
| 5247935 | Magnetic resonance guided focussed ultrasound surgery A magnetic resonance surgery system facilitates performance of surgery with a focussed ultrasound transducer that selectively destroys tissue in a region within a subject. The focussed ultrasound transducer dissipates ultrasonic energy at a focal point wi... | 09/28/1993 |
| 5209233 | Temperature sensing and control system for cardiac monitoring electrodes A cardiac electrode (40) has a plug (48) which is frictionally received in a socket (50) of an electrical lead (56). An impedance (54) is connected in series between the electrical lead and the socket to pass ECG signals substantially unattenuated and for... | 05/11/1993 |
| 5207222 | Method and apparatus for measuring temperature of subject Based on the relation that the higher the temperature of a portion to be measured, the lower becomes coherence of a nuclear spin at that portion, the present invention measures indirectly the temperature state of the portion to be measured from the change... | 05/04/1993 |
| 5109853 | Remote temperature monitoring apparatus and technique A thermometry system comprising an implantable element having temperature dependent NMR properties, apparatus for applying an RF field to the implantable element, and apparatus for sensing the temperature dependent NMR response of the implantable element ... | 05/05/1992 |
| 4914608 | In-vivo method for determining and imaging temperature of an object/subject from diffusion coefficients obtained by nuclear magnetic resonance A method of determining and imaging the temperature or temperature change of a liquid or solid object by NMR placing the object in a magnetic field Bo at a temperature Toi, subjecting the object or a limited volume thereof... | 04/03/1990 |
| 4880011 | Ultrasonic endoscope apparatus An ultrasonic endoscope apparatus in which an ultrasonic vibrating element radiating an ultrasonic wave to obtain an image of an object to be inspected is rotatably housed in a distal end of an insertion section of the endoscope, and a rotation angle sens... | 11/14/1989 |
| 4558279 | Methods for detecting and imaging a temperature of an object by nuclear magnetic resonance A novel and improved method to detect indirectly a temperature of an object employing nuclear magnetic resonance techniques (NMR). The method involves obtaining an NMR spectrum to determine chemical shift, relaxation times, spin-spin couplings or quadrupo... | 12/10/1985 |
| 4554925 | Nuclear magnetic resonance imaging method A nuclear magnetic resonance imaging apparatus associated with heat treatment means (45) and arranged to examine material subjected to heat treatment. The heat treatment means may be automatically controlled in dependence on any output produced by the ima... | 11/26/1985 |
| 4240439 | Method of obtaining information of a specified or target area of a living body near its skin surface by the application of a nuclear magnetic resonance phenomenon This invention relates to a method of obtaining information of a specified or target area of a living body near its skin surface by the application of a nuclear magnetic resonance phenomenon (NMR). This invention comprises a static magnetic field generato... | 12/23/1980 |
