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A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 6177795 | Spectral component imaging using phased array coils A method of using magnetic resonance imaging (MRI) systems for acquiring separate data contributions in images of subjects derived from at least a first and a second spectral components, the method comprising: applying RF pulses; receiving RF signals with a ph... | 01/23/2001 |
| 6118839 | Multiple slice CT scanner A computerized tomography system wherein the X-ray source rotates about the subject and moves axially relative to the subject to provide a helical scan. A detector array includes a plurality of rows of detector elements extending axially and each element ... | 09/12/2000 |
| 5900794 | Single former active shield magnets This invention is concerned with actively shielded magnetic resonance (MR) devices and more particularly with an improved system which includes only a single former. All the coils of the system those with backward current and those with forward current, c... | 05/04/1999 |
| 5891032 | Fat free TOF angiography A method for performing motion-compensated spectral-spatial selective magnetic resonance imaging. The method includes applying a radio frequency (RF) spectral-spatial excitation pulse sequence to a region of a body. The excitation sequence includes a bino... | 04/06/1999 |
| 5871013 | Registration of nuclear medicine images A method of registering a plurality of functional images using both structural images and gating.... | 02/16/1999 |
| 5842989 | Artifact reduction in magnetic resonance angiographic images A magnetic resonance angiography method for acquiring angiographic images using any or all of three different types of selective presaturation pulses to the particular parts of the body for enhancing vascular imaging. The three types are: 1) an inversion ... | 12/01/1998 |
| 5811813 | Dual detector gamma camera system A dual headed gamma camera arrangement wherein a first head is juxtaposed to a second head to define an angle therebetween.... | 09/22/1998 |
| 5779637 | Magnetic resonance imaging system including an image acquisition apparatus rotator This invention is concerned with magnetic resonance imaging (MR) systems and more particularly with special MRI systems which enable rotating the data acquisition apparatus of the MRI system. Such systems enables imaging different body parts at a variety ... | 07/14/1998 |
| 5736858 | Modular whole-body gradient coil comprising first and second gradient coils having linear gradients in the same direction An MRI system incorporating modular whole body gradient coils that can selectively be used for conventional imaging or for ultra-fast imaging. A central modular coil is used alone for the ultra-fast imaging or used in combination with a modular flanking c... | 04/07/1998 |
| 5689115 | Advanced nuclear medicine system A method of acquiring an analog electrical pulse signal caused by a radiation event impinging on a detector crystal and viewed by a plurality of detector units. An image is formed based on a plurality of the events, each of which is captured by some of th... | 11/18/1997 |
| 5644233 | Quench protection for actively shielded magnets This invention is concerned with actively shielded magnetic resonance (MR) devices and more particularly with protecting such systems in the event of a quench by preventing changes in the stray field outside the magnetic devices. The invention includes di... | 07/01/1997 |
| 5614880 | Superconducting magnet with symmetrical plural air gaps A super-conducting magnet for magnetic resonance imaging systems comprising symmetrically located back-to-back C-frame magnets.... | 03/25/1997 |
| 5573000 | Radio-frequency interference shield in MRI systems Radio frequency interference (RFI) shielding for use with magnetic resonance imaging (MRI) systems wherein the magnet of the system is coupled to the shielding to form an integral part thereof.... | 11/12/1996 |
| 5554848 | Gantry for nuclear medicine imaging systems A nuclear medicine diagnostic imaging system wherein the gamma camera rotates about the patient and is coupled to receive electrical power, control signals and to transmit data using cableless coupling means. This enables the system to provide whole body ... | 09/10/1996 |
| 5551243 | Superconductive magnet for magnetic resonance systems A super conducting magnet system for magnetic resonance systems comprising at least one radiation shield. Temperature sensors, an external refrigeration system and a controller are provided for maintaining said at least one shield at a constant temperatur... | 09/03/1996 |
| 5530248 | Method of and apparatus for improving gamma camera image A system for recording fewer of the events that are caused by unwanted photons with greater stability. The system locally determines the energy spectrum and fits for each pixel of the image the determined energy spectrum with a modified trial function com... | 06/25/1996 |
| 5519372 | Magnets providing patient accessibility A magnet for MRI systems having a first pair of spaced apart oppositely disposed walls with a first pole piece extending from one wall of said first pair of walls towards a second pole piece extending from the other wall of the pair of walls with an air g... | 05/21/1996 |
| 5517544 | Afterglow artifact reduction A system for reducing afterglow induced artifacts by filtering out afterglow using recursive filters that are tailored to match the intensity and decay time of the scintillating detectors that produce the afterglow.... | 05/14/1996 |
| 5513120 | Special interpolation filters An interpolation filter that enables interpolation without changing the values of the interpolated points coinciding with the sampled data points, the signal content of the original image, or the variance of the original image.... | 04/30/1996 |
| 5486700 | Proximity controls for gamma camera Proximity controls for controlling the proximity of a gamma camera to a patient during a scan of the patient. The proximity controls consist of two spaced apart energy screens, each comprising 200 beams, parallel to and spaced from the detector of the gam... | 01/23/1996 |
| 5452721 | Scanning gamma camera including a system for controlling the spatial limits of the scan A system for controlling the scan limits of a gamma camera during a whole body scan regimen wherein the limits are set by controls at the patient bed.... | 09/26/1995 |
| 5444253 | Gamma camera event location system A gamma camera that iteratively determines corrected X, Y coordinate locations of events based on optimizing an event location function for each PM using the distance between the event and the PM's.... | 08/22/1995 |
| 5438202 | Stabilized scatter free gamma camera images A system for recording fewer of the events that are caused by unwanted photons with greater stability. The system locally determines the energy spectrum and fits for each pixel of the image the determined energy spectrum with a modified trial function com... | 08/01/1995 |
| 5434414 | Reduction of image artifacts caused by unwanted photons A system for recording fewer of the events that are caused either by Compton scatter photons or by gamma radiation interacting with lead. The system locally determines the energy spectrum and fits the determined energy spectrum with a trial function compo... | 07/18/1995 |
| 5433206 | System and a method for simultaneous, real time ultrasound imaging of biological tissue and measuring of blood flow velocity A system for simultaneous, real time imaging of biological tissue and measuring of blood flow velocities using the Doppler principle resulting in an improvement in Doppler power spectrum of the blood flow velocity measurements.... | 07/18/1995 |
| 5404883 | Gray scale windowing An automatic windowing system for ultrasonic imaging wherein the incoming signal is separated into a high spatial frequency component and a low spatial frequency component. A comparatively low ratio of compression is applied to the high spatial frequency ... | 04/11/1995 |
| 5354993 | Optical communication link for medical imaging gantry having continuous line of sight communications between transmitters and receivers A system that enables the communication of data and control signals between the rotor and the stator of a gantry using light transmitters and light receivers. The transmitters are attached to the gantry is such a manner that the light beams are transmitte... | 10/11/1994 |
| 5331280 | Evolving image A magnetic resonance imaging system that: applies gradient pulses in a sequence that elicits large amounts of data early in a scan to provide an evolving image; and reduces the Gibbs artifacts to increase the utility of the evolving images.... | 07/19/1994 |
| 5293127 | Support rod A support rod for supporting structures in a cryostat of a magnetic resonance system. The support rod has oppositely disposed stainless steel heads mounted on a glass reinforced plastic rod. The heads have threads on the main body thereof to minimize the ... | 03/08/1994 |
| 5293195 | Reduction of image artifacts caused by Compton scatter Correction for Compton scattering is effected by analysis of the energy spectra. More particularly, a measured energy spectrum is constructed per location from detected counts that are stored according to their measured energy as well as according to the ... | 03/08/1994 |
| 5285157 | Reduction of truncation caused artifacts Elimination of truncation artifacts in Magnetic Resonance Images is accomplished by analaytically optimizing controllable parameters; i.e., filter characteristic and assymetry ratio when asymetrically sampling arid time domain filtering followed by comple... | 02/08/1994 |
| 5256972 | Body coil decoupling circuit A system for decoupling the body coil of the magnetic resonance imaging system when surface coils are used, and especially when the surface coils are used only for receiving. Semi-conductor switches; i.e., diodes are used in the body coil to decouple the ... | 10/26/1993 |
| 5228069 | Dual slice scanner A CT scanner using a rotate-rotate mode wherein the detector is designed to simultaneously detect X-rays that have traversed multiple-planar sections in a patient being scanned.... | 07/13/1993 |
| 5209232 | Biopsy needle positioning A mammalary biopsy needle positioning scheme that improves on the system of U.S. Pat. No. 4,821,727. In the present invention, the arrival of the needle holder into a pixel is distinguished by comparing latest data per pixel to average data per pixel. If ... | 05/11/1993 |
| 5198768 | Quadrature surface coil array A quadrature surface coil array comprising a plurality of single loop surface coils interspersed with a plurality of adjacent double loop surface coils, at least some of said surface coils overlapping the ends of adjacent surface coils and said double loo... | 03/30/1993 |
| 5164671 | Hidden reconstruction A three dimensional imaging sequence that enables reconstruction during acquisition by acquiring all data required for imaging a plane perpendicular to the imaging plane and repeating for all such planes making up the three dimensional image.... | 11/17/1992 |
| 5160891 | Surface coil array receiver Receiver circuitry for a surface coil array used in magnetic resonance diagnostic systems, said circuitry minimizes reflections and thus relaxes the prior art necessity for balancing the individual receiver channel for each array by obtaining quadrature s... | 11/03/1992 |
| 5134639 | Optical communication link An optical communication link coupling a rotating part of a gantry of a computerized tomographic scanner to the stationary part of the gantry. The link comprises an arcuate hollow light conductor having one part rotating with the rotor of the gantry and t... | 07/28/1992 |
| 5124650 | Magnetic resonance data acquisition from localized volumes Obtaining data from a plurality of slabs in a volume of interest by using pairs of 90° pulses with individual gradient pulses for presaturating volumes not of interest in the subject and subsequently selecting slabs in the volume of interest with RF puls... | 06/23/1992 |
| 5117187 | Localized multi-region magnetic resonance data acquisition A multi-slice magnetic resonance (MR) acquisition sequence for acquiring data from a section of interest wherein the sections surrounding the section of interest are presaturated, then multiple slices from the section of interest are selected and data is ... | 05/26/1992 |
