54 patents
Utility
Magnetic resonance imaging
26 Sep 23
Improved magnetic resonance imaging systems, methods and software are described including a low field strength main magnet, a gradient coil assembly, an RF coil system, and a control system configured for the acquisition and processing of magnetic resonance imaging data from a patient while utilizing a sparse sampling imaging technique.
James F. Dempsey
Filed: 23 Jun 22
Utility
Magnetic resonance imaging receive coil assembly
9 May 23
A radiofrequency receive coil assembly can include a first conductive loop and a second conductive loop electrically connected at a node.
Thomas Chmielewski, James F. Dempsey
Filed: 11 Jun 21
Utility
Systems, Methods and Computer Software for Optimized Radiation Therapy
27 Apr 23
Systems, methods, and computer software are disclosed that allow the automatic recalling of imaging parameters from computer memory for controlling an MRI system to perform treatment-day scans of a patient on a treatment couch in a radiotherapy system, prior to treatment.
James F. Dempsey, Iwan Kawrykow
Filed: 19 Oct 22
Utility
Mri Guided Radiotherapy
27 Apr 23
Systems, methods, and computer software relating to gating using non-parallel imaging planes, determining accumulated dose to tissues during radiotherapy with actual beam delivery information, stopping/adjusting/reoptimizing therapy based on such accumulated doses and the generation and use of prognostic motion models and prognostic-motion adapted radiation treatment plans are disclosed.
James F. Dempsey, Iwan Kawrykow
Filed: 19 Oct 22
Utility
Planning and control for magnetic resonance guided radiation therapy
18 Apr 23
Magnetic resonance (MR) guided radiation therapy (MRgRT) enables control over the delivery of radiation based on patient motion indicated by MR imaging (MRI) images captured during radiation delivery.
James F. Dempsey, Iwan Kawrykow
Filed: 7 Jan 21
Utility
Systems and methods for linear accelerator radiotherapy with magnetic resonance imaging
28 Mar 23
Systems and methods for the delivery of linear accelerator radiotherapy in conjunction with magnetic resonance imaging in which components of a linear accelerator may be placed in shielding containers around a gantry, may be connected with RF waveguides, and may employ various systems and methods for magnetic and radio frequency shielding.
James F. Dempsey, Shmaryu M. Shvartsman
Filed: 9 Aug 21
Utility
RF Coil Assemblies
9 Feb 23
RF coil assemblies are disclosed that include multiturn loops formed of conductors configured to receive RF signals from a patient during MRI.
Thomas Chmielewski, Steven Koenig
Filed: 3 Aug 22
Utility
Method and Apparatus for Shielding a Linear Accelerator and a Magnetic Resonance Imaging Device from Each Other
19 Jan 23
A radiation therapy system comprises a magnetic resonance imaging (MRI) system combined with an irradiation system, which can include one or more linear accelerators (linacs) that can emit respective radiation beams suitable for radiation therapy.
Shmaryu M. Shvartsman, Gordon D. DeMeester, James F. Dempsey, John Lester Patrick
Filed: 20 Sep 22
Utility
Magnetic Resonance Imaging
20 Oct 22
Improved magnetic resonance imaging systems, methods and software are described including a low field strength main magnet, a gradient coil assembly, an RF coil system, and a control system configured for the acquisition and processing of magnetic resonance imaging data from a patient while utilizing a sparse sampling imaging technique.
James F. Dempsey
Filed: 23 Jun 22
Utility
Magnetic Resonance Imaging
20 Oct 22
Improved magnetic resonance imaging systems, methods and software are described including a low field strength main magnet, a gradient coil assembly, an RF coil system, and a control system configured for the acquisition and processing of magnetic resonance imaging data from a patient while utilizing a sparse sampling imaging technique.
James F. Dempsey
Filed: 23 Jun 22
Utility
Particle Therapy with Magnetic Resonance Imaging
29 Sep 22
Particle radiation therapy and planning utilizing magnetic resonance imaging (MRI) data.
James F. Dempsey, Shmaryu M. Shvartsman, Iwan Kawrykow
Filed: 3 Jun 22
Utility
Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other
27 Sep 22
A radiation therapy system comprises a magnetic resonance imaging (MRI) system combined with an irradiation system, which can include one or more linear accelerators (linacs) that can emit respective radiation beams suitable for radiation therapy.
Shmaryu M. Shvartsman, Gordon D. DeMeester, James F. Dempsey, John Lester Patrick
Filed: 11 Feb 21
Utility
Magnetic Resonance Volumetric Imaging
14 Jul 22
Reference data relating to a portion of a patient anatomy during patient motion can be acquired from a magnetic resonance imaging system (MRI) to develop a patient motion library.
Iwan Kawrykow, Georgi Gerganov, James F. Dempsey
Filed: 28 Mar 22
Utility
Magnetic resonance imaging
5 Jul 22
Improved magnetic resonance imaging systems, methods and software are described including a low field strength main magnet, a gradient coil assembly, an RF coil system, and a control system configured for the acquisition and processing of magnetic resonance imaging data from a patient while utilizing a sparse sampling imaging technique.
James F. Dempsey
Filed: 22 Jun 17
Utility
Particle therapy with magnetic resonance imaging
7 Jun 22
Particle radiation therapy and planning utilizing magnetic resonance imaging (MRI) data.
James F. Dempsey, Shmaryu M. Shvartsman, Iwan Kawrykow
Filed: 13 Sep 19
Utility
Reduction of artifacts in magnetic resonance imaging
7 Jun 22
Apparatuses, methods, and computer program products for reducing an appearance of an artifact in an image generated by a magnetic resonance imaging (MRI) system are disclosed.
Thomas Chmielewski, Shmaryu M. Shvartsman
Filed: 22 Mar 18
Utility
Resistive Electromagnet Systems and Methods
14 Apr 22
A magnetic resonance imaging (MRI) system having a resistive, solenoidal electromagnet for whole-body MRI may include ferromagnetic material within an envelope of the electromagnet.
James F. DEMPSEY, Massimo DAL FORNO, Shmaryu M. SHVARTSMAN, David L. RAYNER
Filed: 22 Dec 21
Utility
Magnetic resonance volumetric imaging
29 Mar 22
Reference data relating to a portion of a patient anatomy during patient motion can be acquired from a magnetic resonance imaging system (MRI) to develop a patient motion library.
Iwan Kawrykow, Georgi Gerganov, James F. Dempsey
Filed: 20 Jun 17
Utility
Ion chamber for radiation measurement
18 Jan 22
An ion chamber has a chamber having an interior volume.
Iwan Kawrykow, Eyad Kishawi
Filed: 30 Oct 20
Utility
Resistive electromagnet systems and methods
28 Dec 21
A magnetic resonance imaging (MRI) system having a resistive, solenoidal electromagnet for whole-body MRI may include ferromagnetic material within an envelope of the electromagnet.
James F. Dempsey, Massimo Dal Forno, Shmaryu M. Shvartsman, David L. Rayner
Filed: 2 Nov 18