WEINBERG MEDICAL PHYSICS LLC Patent applications |
Patent application number | Title | Published |
20160096030 | PULSED GRADIENT FIELD METHOD TO COUNTERACT A STATIC MAGNETIC FIELD FOR MAGNETIC PARTICLE FOCUSING - Disclosed embodiments provide an apparatus and method that produce a magnetic field gradient configured to counteract effects of a static magnetic field such that the combination of the two fields may be applied to one or more magnetic particles to manipulate the magnetic particle(s). | 04-07-2016 |
20140309479 | SYSTEM, METHOD AND EQUIPMENT FOR IMPLEMENTING TEMPORARY DIAMAGNETIC PROPULSIVE FOCUSING EFFECT WITH TRANSIENT APPLIED MAGNETIC FIELD PULSES - An apparatus and method are utilized to transiently implement diamagnetic behavior in both permanently and transiently magnetized particles. | 10-16-2014 |
20140206927 | APPARATUS AND METHOD FOR SPATIALLY SELECTIVE INTERVENTIONAL NEUROPARTICLES - An apparatus and method are provided for spatially-selective administration of actions by at least one device in the body using a transducer that is sensitive to a spatially-variant energy field imposed on the at least one device by a source external to a subject's body; and at least one component in the at least one device, wherein interaction of the transducer with the imposed spatially-variant energy field causes or enables at least one component in the at least one device to affect nearby tissues in the body. | 07-24-2014 |
20130296631 | CLEANING ARTERIOSCLEROTIC VESSELS WITH MAGNETIC NANOSWIMMERS - Disclosed embodiments provide an apparatus and method for brushing plaques from vessels by exposing intraluminal nanoparticles to changing magnetic gradients. | 11-07-2013 |
20130218010 | PORTABLE PET SCANNER FOR IMAGING THE HUMAN BRAIN - In accordance with at least one disclosed embodiment, an apparatus for use in imaging the human brain by describing the distribution of radiotracers in the human brain is provided. The apparatus may be compact and lightweight enough to be lifted by hand (less than 50 pounds) and affixed to a patient bed. In addition, the apparatus may collect images of both the cerebrum and cerebellum of the patient. | 08-22-2013 |
20130204120 | EQUIPMENT AND METHODOLOGIES FOR MAGNETICALLY-ASSISTED DELIVERY OF THERAPEUTIC AGENTS THROUGH BARRIERS - Magnetic gradients are used to transport Magnetic Nano Particles through a barrier, for example, the cribiform (also spelled “cribriform”) plate, which is a porous bony structure which separates the nasal cavity from the cranial vault. By utilizing a configuration of magnets (whether of the electromagnetic type or permanent magnets), MNPs can be propelled, pushed, pulled or otherwise manipulated in relation to an anatomical and/or physiological barrier, to position, re-position or maintain the position(s) of the MNPs. | 08-08-2013 |
20130146458 | RAPID COMPACT ASSAY FOR PARENT RADIONUCLIDES IN GENERATORS - Disclosed embodiments assay for the presence of Ge-68, although disclosed embodiments can also be used for other radionuclide generators, with minimal adjustments. | 06-13-2013 |
20130046288 | METHOD AND APPARATUS FOR REMOVING NOXIOUS MATERIALS FROM CELLS - A method and apparatus are provided for removing noxious or unneeded materials from cells in a subject's body. | 02-21-2013 |
20130046169 | MRI-GUIDED NANOPARTICLE CANCER THERAPY APPARATUS AND METHODOLOGY - An apparatus and method direct nanoparticles in a body part under imaging guidance using at least one electromagnet configured and operable to create a magnetic field gradient used to direct the nanoparticles, wherein, the magnetic field gradient used to direct the nanoparticles does not substantially interfere with the use of magnetic field gradients whose purpose is to image the body part. | 02-21-2013 |
20130015856 | MRI MICROSCOPE ADAPTER - Disclosed embodiments pertain to an inventive method and apparatus that confers the ability to image using Magnetic Resonance Imaging (MRI) to an optical microscope. Through implementation of the disclosed embodiments, it is possible to collect spectroscopic information as well as anatomic information using the objective structure and/or MRI-enabled stage. | 01-17-2013 |
20120326722 | ULTRA-FAST MAGNETIC FIELD FOR ELECTRON PARAMAGNETIC RESONANCE IMAGING USED IN MONITORING DOSE FROM PROTON OR HADRON THERAPY - Instrumentation and methodologies are provided that enable the direct measurement of free radicals generated in patients as a result of radiation therapy through the use of proton beams and other forms of ionizing radiation. As a result, in accordance with at least one disclosed embodiment, the instrumentation and methodologies may be used in conjunction with radiation therapy to detect, monitor and/or control generation of free radicals in cancerous tissue during such radiation therapy. | 12-27-2012 |
20120261639 | STRUCTURES FOR RADIATION DETECTION AND ENERGY CONVERSION USING QUANTUM DOTS - Inorganic semiconducting materials such as silicon are used as a host matrix in which quantum dots reside to provide an energy conversion device that may be used to convert various types of radiation to electricity. | 10-18-2012 |
20120223711 | APPARATUS AND METHOD FOR DECREASING BIO-EFFECTS OF MAGNETIC GRADIENT FIELD GRADIENTS - An apparatus and a method for increasing the magnitude of the magnetic gradient for MRI without causing nerve stimulation. As an example, the short ramp time of magnetic gradients, for example less than 150 microseconds is contemplated. These short ramp-time magnetic gradients are used for the imaging of structures with short relaxations times, such as teeth, without causing nerve stimulation. The apparatus comprises a generator of magnetic gradients of at least 1 milliTeslas in magnitude with at least one gradient ramp time shorter than 150 microseconds and which induces no peripheral nerve stimulation. | 09-06-2012 |
20120175584 | STRUCTURES FOR RADIATION DETECTION AND ENERGY CONVERSION USING QUANTUM DOTS - Inorganic semiconducting materials such as silicon are used as a host matrix in which quantum dots reside to provide a radiation detector or energy converter. The quantum dot material may be disposed by incorporating materials sensitive to neutron detection such as boron-containing compounds, or the use of methods such as chemical vapor deposition or atomic layer deposition to insert the quantum dot material. Electrodes may be extended deep into the host matrix material to improve efficiency. Likewise, the host matrix may be machined to create pores in the matrix material. Further, amplification and signal-processing structures may be used in close proximity to the radiation-sensitive region of the device. | 07-12-2012 |
20120116148 | MAGNETIC-ASSISTED TUMOR CONFINEMENT METHODOLOGY AND EQUIPMENT - Disclosed embodiments are directed to reducing the likelihood of intra-operative shedding. Specifically, disclosed embodiments utilize injected magnetic nanoparticles and magnets to confine tumor cells to the surgical bed in order to prevent the cells from being released into the general circulation and/or lymphatics. | 05-10-2012 |
20120092105 | FLEXIBLE METHODS OF FABRICATING ELECTROMAGNETS AND RESULTING ELECTROMAGNET ELEMENTS - An electromagnetic structure is fabricated by additive manufacturing having at least one channel traversing the structure. In one embodiment, at least one form contains apertures and/or holes forming the channel and a liquid metal traverses the structure by the channel. Electrodes are provided to apply or extract electrical voltage or power to and/or from the liquid metal as well as a mechanism for propelling a portion of the liquid metal through the form. In an alternative embodiment, both the electrically insulating and the electrically conductive materials are solid and the channel is used for conducting a coolant instead of the liquid metal. | 04-19-2012 |
20110192984 | METHOD AND EQUIPMENT FOR PRODUCING DRIFT DETECTORS - Silicon drift detectors are produced for location and energy measurement as well as spectroscopic applications by depositing a single high quality dielectric film followed by deposition of at least one low quality dielectric film. | 08-11-2011 |
20110182401 | RECONSTRUCTION OF LINEARLY MOVING OBJECTS WITH INTERMITTEN X-RAY SOURCES - A method and apparatus for performing computed tomography in medical imaging through reconstruction of a data set containing projections obtained during relative motions a container or body of interest with respect to an x-ray source and/or x-ray detector panel. Strobing of the data is implemented through one or more methods to include pulsing of the x-ray source, intermittent blanking of the x-ray detector panel, or intermittent processing of data collected from the detector panel to simulate blanking. The invention is utilized to significantly improve contrast by taking advantage of the pulsed nature of the source to implement three-dimensional reconstruction. | 07-28-2011 |
20110089947 | APPARATUS AND METHOD FOR DECREASING BIO-EFFECTS OF MAGNETIC GRADIENT FIELD GRADIENTS - A magnetic field generator includes a power source and a segmented or un-segmented coil connected to the power source to generate a time-varying magnetic field. Energy is applied to the coil so that the coil generates a time-varying magnetic field gradient with a magnitude of at least 1 milliTesla per meter and a rise-time of less than 10 microseconds. The coil may be comprised of overlapping, non-overlapping or partially overlapping coil segments that may individually energized to further improve the operating characteristics of the coil to further decrease bio-effects in magnetic resonance imaging through the use of reduced pulse lengths and multi-phasic magnetic gradient pulses. | 04-21-2011 |
20100036261 | METHOD AND DEVICE FOR IMAGE GUIDED SURGERY - A fluorometer includes a light source to generate excitatory light toward a tissue, the tissue generating fluorescent light in response to the excitatory light. The fluorometer also includes a light sensor to receive the fluorescent light and generate a digital signal. A processor is connected to the light sensor to receive the digital signal and generate a digital image, and a display displays the digital image. The tissue generates fluorescent light as a result of excitation of at least one intrinsic tissue metabolic product. A method for distinguishing between viable and non-viable tissue using the fluorometer also is described. | 02-11-2010 |