Search Patents
-
Patent number: 6373251Abstract: NMR apparatus for achieving construction of improved patient access. Facilities and methods of mobile and fixed site scanning.Type: GrantFiled: April 21, 1999Date of Patent: April 16, 2002Assignee: Fonar CorporationInventors: Raymond V. Damadian, Gordon T. Danby, Hank Hsieh, Terry Morrone, Timothy Damadian
-
Patent number: 6288546Abstract: NMR apparatus for achieving construction of improved patient access. Facilities and methods of mobile and fixed site scanning.Type: GrantFiled: May 11, 2000Date of Patent: September 11, 2001Assignee: Fonar CorporationInventors: Raymond V. Damadian, Gordon T. Danby, John W. Jackson, Hank Hsieh, Terry Morrone, Timothy Damadian
-
Patent number: 6075364Abstract: NMR apparatus for achieving construction of improved patient access. Facilities and methods of mobile and fixed site scanning.Type: GrantFiled: March 11, 1999Date of Patent: June 13, 2000Assignee: Fonar CorporationInventors: Raymond V. Damadian, Gordon T. Danby, John W. Jackson, Hank Hsieh, Terry Morrone, Timothy Damadian
-
Patent number: 6445185Abstract: NMR apparatus for achieving construction of improved patient access. Facilities and methods of mobile and fixed site scanning.Type: GrantFiled: April 21, 1999Date of Patent: September 3, 2002Assignee: Fonar CorporationInventors: Raymond V. Damadian, Gordon T. Danby, John W. Jackson, Hank Hsieh, Terry Morrone, Timothy Damadian
-
Patent number: 6023165Abstract: NMR apparatus for achieving construction of improved patient access. Faciliites and methods for mobile and fixed site NMR scanning.Type: GrantFiled: December 18, 1992Date of Patent: February 8, 2000Assignee: Fonar CorporationInventors: Raymond V. Damadian, Gordon T. Danby, John W. Jackson, Hank Hsieh, Terry Morrone, Timothy Damadian
-
Patent number: 6621267Abstract: NMR apparatus for achieving construction of improved patient access desirably including a generally C-shaped yoke, and devices for reducing the field asymmetry caused by the C-shaped yoke.Type: GrantFiled: May 2, 2002Date of Patent: September 16, 2003Assignee: Fonar CorporationInventors: Raymond V. Damadian, Gordon T. Danby, John W. Jackson, Hank Hsieh, Terry Morrone, Timothy Damadian
-
Patent number: 6201394Abstract: A magnet for magnetic resonance imaging has an interior working space within the magnet frame sufficient to accommodate a physician and a patient. Because the physician is positioned inside the magnet frame, the physician has unimpeded access to the patient. Elements of the magnet frame desirably encompass a room, and the magnet frame may be concealed from view of a patient within the room. Preferred embodiments facilitate MRI imaged guided surgery and other procedures performed while the patient is being imaged, and minimize claustrophobia experienced by the patient.Type: GrantFiled: November 21, 1997Date of Patent: March 13, 2001Assignee: Fonar CorporationInventors: Gordon T. Danby, John Linardos, Jevan Damadian, Raymond V. Damadian
-
Patent number: 6208145Abstract: A magnet for magnetic resonance imaging has an interior working space within the magnet frame sufficient to accommodate a physician and a patient. Because the physician is positioned inside the magnet frame, the physician has unimpeded access to the patient. Elements of the magnet frame desirably encompass a room, and the magnet frame may be concealed from view of a patient within the room. Preferred embodiments facilitate MRI imaged guided surgery and other procedures performed while the patient is being imaged, and minimize claustrophobia experienced by the patient.Type: GrantFiled: January 4, 2000Date of Patent: March 27, 2001Assignee: Fonar CorporationInventors: Gordon T. Danby, John Linardos, Jevan Damadian, Raymond V. Damadian
-
Patent number: 6369571Abstract: A magnet for magnetic resonance imaging has an interior working space within the magnet frame sufficient to accommodate a physician and a patient. Because the physician is positioned inside the magnet frame, the physician has unimpeded access to the patient. Elements of the magnet frame desirably encompass a room, and the magnet frame may be concealed from view of a patient within the room. Preferred embodiments facilitate MRI imaged guided surgery and other procedures performed while the patient is being imaged, and minimize claustrophobia experienced by the patient. Also provided is a magnet having field coils disposed about the of pole portions of the magnet. A diagnostic facility for high volume MRI use is also disclosed.Type: GrantFiled: May 10, 2001Date of Patent: April 9, 2002Assignee: Fonar CorporationInventors: Jevan Damadian, John Linardos, Gordon T. Danby, Raymond V. Damadian
-
Patent number: 6445186Abstract: A magnet for magnetic resonance imaging has an interior working space within the magnet frame sufficient to accommodate a physician and a patient. Because the physician is positioned inside the magnet frame, the physician has unimpeded access to the patient. Elements of the magnet frame desirably encompass a room, and the magnet frame may be concealed from view of a patient within the room. Preferred embodiments facilitate MRI imaged guided surgery and other procedures performed while the patient is being imaged, and minimize claustrophobia experienced by the patient. Also provided is a magnet having field coils disposed about the of pole portions of the magnet. A diagnostic facility for high volume MRI use is also disclosed.Type: GrantFiled: May 10, 2001Date of Patent: September 3, 2002Assignee: Fonar CorporationInventors: Jevan Damadian, John Linardos, Gordon T. Danby, Raymond V. Damadian
-
Patent number: 6335623Abstract: A magnet for magnetic resonance imaging has an interior working space within the magnet frame sufficient to accommodate a physician and a patient. Because the physician is positioned inside the magnet frame, the physician has unimpeded access to the patient. Elements of the magnet frame desirably encompass a room, and the magnet frame may be concealed from view of a patient within the room. Preferred embodiments facilitate MRI imaged guided surgery and other procedures performed while the patient is being imaged, and minimize claustrophobia experienced by the patient. Also provided is a magnet having field coils disposed about the of pole portions of the magnet.Type: GrantFiled: November 25, 1998Date of Patent: January 1, 2002Assignee: Fonar CorporationInventors: Jevan Damadian, John Linardos, Gordon T. Danby, Raymond V. Damadian
-
Patent number: 6677753Abstract: A magnet for magnetic resonance imaging has a box-like ferromagnetic frame with vertical side walls, poles connected to the side walls and top and bottom walls forming flux return structures between the side walls. The frame has open front and rear sides defining patient entry openings, and has top and bottom openings in the top and bottom walls. A patient can be positioned in a vertical, horizontal or intermediate orientation within the frame. When the patient is in the vertical orientation, the patient can be raised or lowered so that parts of the patient's body protrude into the top or bottom openings, so as to align any part of the patient's body with the poles. The apparatus allows imaging of any part of the anatomy while the patient is in a standing position.Type: GrantFiled: November 22, 2000Date of Patent: January 13, 2004Assignee: Fonar CorporationInventors: Gordon T. Danby, Jevan Damadian, John Linardos, Raymond V. Damadian, Hank Hsieh, William H. Wahl
-
Patent number: 7812607Abstract: In one aspect, a magnet comprising a pair of pole supports spaced apart from one another and extending in a generally horizontal direction. The magnet includes a pair of flux return members extending between the pole supports so as to define a frame, each of the flux return members including a first columnar section that extends parallel to the polar axis and a second columnar section that extends perpendicular to the polar axis and projects towards the pole. In another aspect, a magnetic resonance imaging system comprises a ferromagnetic frame that is operative to support an upper pole member and a lower pole member along a vertical polar axis such that a gap is defined between the upper and lower pole members and an access floor that is isolated from the ferromagnetic frame and pole members for providing access to the gap.Type: GrantFiled: June 15, 2009Date of Patent: October 12, 2010Assignee: Fonar CorporationInventors: Raymond V. Damadian, William H. Wahl, Hank Hsieh, Gordon T. Danby, John W. Jackson, Jevan Damadian, Luciano B. Bonanni, Mark Gelbien, Keith Saboe
-
Patent number: 6504371Abstract: A magnetic resonance imaging (MRI) magnet in combination with a mobile patient-positioning device, including a patient support and a method of using same for positioning patients for MRI scanning. The patient support is rotatable through a range of orientations from a horizontal to a vertical position, including being lockable at any oblique angle with respect to the horizontal. The patient disposed on the patient-positioning device in a predetermined orientation can then be moved horizontally into and out of a patient-receiving space in the MRI magnet at the predetermined angle or orientation. A preferred embodiment includes a plurality of patient-positioning devices in which a series of patients can be placed in a ready state while one patient is within the patient-receiving space. As an alternative embodiment, the patient may be moved vertically into position for MRI scanning by way of an elevator which is actuatable from the floor below the patient receiving space.Type: GrantFiled: May 1, 2002Date of Patent: January 7, 2003Assignee: Fonar CorporationInventors: Timothy Damadian, Gordon Danby, Raymond V. Damadian, Hank Hsieh, James J. Persoons
-
Patent number: 6414490Abstract: A magnetic resonance imaging (MRI) magnet in combination with a mobile patient-positioning device, including a patient support and a method of using same for positioning patients for MRI scanning. The patient support is rotatable through a range of orientations from a horizontal to a vertical position, including being lockable at any oblique angle with respect to the horizontal. The patient disposed on the patient-positioning device in a predetermined orientation can then be moved horizontally into and out of a patient-receiving space in the MRI magnet at the predetermined angle or orientation. A preferred embodiment includes a plurality of patient-positioning devices in which a series of patients can be placed in a ready state while one patient is within the patient-receiving space. As an alternative embodiment, the patient may be moved vertically into position for MRI scanning by way of an elevator which is actuatable from the floor below the patient receiving space.Type: GrantFiled: February 21, 2001Date of Patent: July 2, 2002Assignee: Fonar CorporationInventors: Timothy Damadian, Gordon Danby, Raymond V. Damadian, Hank Hsieh, James J. Persoons
-
Patent number: 6150820Abstract: NMR apparatus for achieving construction of improved patient access. Facilities and methods of mobile and fixed site scanning.Type: GrantFiled: July 21, 1999Date of Patent: November 21, 2000Assignee: Fonar CorporationInventors: Raymond V. Damadian, Gordon T. Danby, Hank Hsieh, Terry Morrone
-
Patent number: 6400156Abstract: NMR apparatus for achieving construction of improved patient access. Facilities and methods of mobile and fixed site scanning.Type: GrantFiled: February 1, 1999Date of Patent: June 4, 2002Assignee: Fonar CorporationInventors: Raymond V. Damadian, Gordon T. Danby, John W. Jackson, Hank Hsieh, Terry Morrone
-
Patent number: 4766378Abstract: A medical nuclear magnetic resonance system is provided with a primary field magnet assembly having a ferromagnetic frame. The system resists field variations caused by coil movement and confines the field within the frame.Type: GrantFiled: November 28, 1986Date of Patent: August 23, 1988Assignee: Fonar CorporationInventors: Gordon T. Danby, Hank C. H. Hsieh, John W. Jackson, Raymond V. Damadian
-
Patent number: 6975117Abstract: Magnet assembly for use in medical magnetic resonance imaging includes means for increasing flux generation in the gap region to provide the capability of scanning smaller volume regions of a patient at increased levels of scanning resolution. The means for increasing flux generation is mechanical or electromagnetic, is coupled to each of the polar regions and maintains the gap region sufficiently large and unobstructed to allow for access to the patient by several persons during scanning. Tapered outer walls of the polar region proximate the gap region further enhance accessibility to the patient during scanning.Type: GrantFiled: February 27, 2001Date of Patent: December 13, 2005Assignee: Fonar CorporationInventors: Raymond V. Damadian, Gordon Danby, James J. Persoons
-
Patent number: 8384387Abstract: A magnetic resonance imaging configuration to straighten and otherwise homogenize the field lines in the imaging portion, creating improved image quality. Through use of calibrated corrective coils, magnetic field lines can be manipulated to improve uniformity and image quality. Additionally, when the apparatus is composed of non-ferromagnetic materials, field strengths can be increased to overcome limitations of Iron-based systems such as by use of superconductivity. A patient positioning apparatus allowing multi-positioning is also disclosed.Type: GrantFiled: February 17, 2009Date of Patent: February 26, 2013Assignee: Fonar CorporationInventors: Raymond V. Damadian, Gordon T. Danby, Hank Hsieh, John W. Jackson, Mark Gelbien, William H. Wahl, Charles A. Green