Patents by Inventor Steven W. Prince
Steven W. Prince has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8637841Abstract: A multilevel MLC includes a first set and a second set of a plurality of pairs of beam blocking leaves arranged adjacent one another. Leaves of each pair in the first set are disposed in an opposed relationship and longitudinally movable relative to each other in a first direction. Leaves of each pair in the second set are disposed in an opposed relationship and longitudinally movable relative to each other in a second direction generally parallel to the first direction. The first and second sets of pairs of leaves are disposed in different planes.Type: GrantFiled: August 23, 2010Date of Patent: January 28, 2014Assignee: Varian Medical Systems, Inc.Inventors: Steven W. Prince, Stanley Mansfield
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Publication number: 20130144104Abstract: A radiation system includes a support, a capsule rotatably coupled to the support, a radiation source movably coupled to the capsule, wherein the radiation source is configured to provide a treatment radiation beam, and is capable of being turned on or off in response to a control signal, and a collimator located next to the radiation source, wherein the capsule defines a space for accommodating a portion of a patient, and includes a shielding material for attenuating radiation resulted from an operation of the radiation source, and wherein the shielding material is configured to limit a radiation exposure level to 5 mR/hr or less within 3 meters from an isocenter.Type: ApplicationFiled: December 2, 2011Publication date: June 6, 2013Applicant: VARIAN MEDICAL SYSTEMS, INC.Inventors: John R. Adler, JR., David H. Whittum, Steven W. Prince, James E. Clayton
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Publication number: 20120087478Abstract: A system includes a beam filter positioning device including a plate configured to support one or more beam filters, and one or more axes operable to move the plate relative to a beam line. A control mechanism is coupled to the one or more axes for controlling the movement of the axes and configured to automatically adjust the position of at least one of the one or more beam filters relative to the beam line.Type: ApplicationFiled: December 13, 2011Publication date: April 12, 2012Applicant: Varian Medical Systems, Inc.Inventors: Christopher E. Brown, Steven W. Prince, William A. Strachan, Stanley Mansfield, Stephen Mohr
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Publication number: 20120043482Abstract: A multilevel MLC includes a first set and a second set of a plurality of pairs of beam blocking leaves arranged adjacent one another. Leaves of each pair in the first set are disposed in an opposed relationship and longitudinally movable relative to each other in a first direction. Leaves of each pair in the second set are disposed in an opposed relationship and longitudinally movable relative to each other in a second direction generally parallel to the first direction. The first and second sets of pairs of leaves are disposed in different planes.Type: ApplicationFiled: August 23, 2010Publication date: February 23, 2012Applicant: Varian Medical Systems, Inc.Inventors: Steven W. Prince, Stanley Mansfield
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Publication number: 20120043481Abstract: A collimation assembly includes a multileaf collimator and motion assembly. The multileaf collimator includes a support body and a plurality of pairs of beam blocking leaves supported by the support body. The beam blocking leaves are longitudinally movable in a first direction. The motion assembly includes an actuator and a guide assembly operable to move the support body and thereby allowing the plurality of pairs of beam blocking leaves to move in a second direction generally transverse to the first direction.Type: ApplicationFiled: August 23, 2010Publication date: February 23, 2012Applicant: Varian Medical Systems, Inc.Inventors: Stanley Mansfield, Steven W. Prince
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Publication number: 20110313231Abstract: A radiation system includes a first ring, a radiation source capable of providing radiation suitable for treating a patient, the radiation source secured to the first ring, a second ring located behind the first ring, and an imager secured to the second ring. A radiation system includes a first device having a radiation source capable of generating a radiation beam suitable for treating a patient, and a second device having imaging capability, wherein the first device is oriented at an angle that is less than 180° relative to the second device. A radiation system includes a structure having a first opening, a radiation source rotatably coupled to the structure, an imaging device rotatable relative to the structure, and a processor for controlling a rotation of the radiation source and a rotation of the imaging device, wherein the radiation source is rotatable relative to the imaging device.Type: ApplicationFiled: June 20, 2011Publication date: December 22, 2011Inventors: Timothy E. Guertin, Richard H. Stark, Raymond D. McIntyre, Steven W. Prince, Stanley Mansfield, George A. Zdasiuk
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Patent number: 8077830Abstract: A system includes a beam filter positioning device including a plate configured to support one or more beam filters, and one or more axes operable to move the plate relative to a beam line. A control mechanism is coupled to the one or more axes for controlling the movement of the axes and configured to automatically adjust the position of at least one of the one or more beam filters relative to the beam line.Type: GrantFiled: September 28, 2009Date of Patent: December 13, 2011Assignee: Varian Medical Systems, Inc.Inventors: Christopher E. Brown, Steven W. Prince, William A. Strachan, Stanley Mansfield, Stephen Mohr
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Patent number: 7983380Abstract: A radiation system includes a first ring, a radiation source capable of providing radiation suitable for treating a patient, the radiation source secured to the first ring, a second ring located behind the first ring, and an imager secured to the second ring. A radiation system includes a first device having a radiation source capable of generating a radiation beam suitable for treating a patient, and a second device having imaging capability, wherein the first device is oriented at an angle that is less than 180° relative to the second device. A radiation system includes a structure having a first opening, a radiation source rotatably coupled to the structure, an imaging device rotatable relative to the structure, and a processor for controlling a rotation of the radiation source and a rotation of the imaging device, wherein the radiation source is rotatable relative to the imaging device.Type: GrantFiled: May 1, 2006Date of Patent: July 19, 2011Assignee: Varian Medical Systems, Inc.Inventors: Timothy E. Guertin, Richard H. Stark, Raymond D. McIntyre, Steven W. Prince, Stanley Mansfield, George A. Zdasiuk
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Publication number: 20110075815Abstract: A system includes a beam filter positioning device including a plate configured to support one or more beam filters, and one or more axes operable to move the plate relative to a beam line. A control mechanism is coupled to the one or more axes for controlling the movement of the axes and configured to automatically adjust the position of at least one of the one or more beam filters relative to the beam line.Type: ApplicationFiled: September 28, 2009Publication date: March 31, 2011Applicant: Varian Medical Systems, Inc.Inventors: Christopher E. Brown, Steven W. Prince, William A. Strachan, Stanley Mansfield, Stephen Mohr
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Patent number: 7640607Abstract: A patient support system includes a patient support, and a positioning system for positioning the patient support, wherein the positioning system is capable of placing the patient support such that a point on the patient support is at a location, and rotating the patient support about a vertical axis that intersects the point, wherein the positioning system includes a first arm and a second arm rotatably coupled to the first arm, and the patient support is rotatably coupled to the second arm. A patient support system includes a first base portion rotatable about a first vertical axis, a second base portion rotatably coupled to the first base portion such that the second base portion is rotatable relative to the first base portion about a second vertical axis, a first arm coupled to the second base portion, a second arm rotatably coupled to the first arm, and a patient support rotatably coupled to the second arm.Type: GrantFiled: May 1, 2006Date of Patent: January 5, 2010Assignee: Varian Medical Systems, Inc.Inventors: Timothy E. Guertin, Marcel R. Marc, Richard H. Stark, Stanley Mansfield, Majid L. Riaziat, Steven W. Prince
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Publication number: 20080273659Abstract: A radiation system includes a first ring, a radiation source capable of providing radiation suitable for treating a patient, the radiation source secured to the first ring, a second ring located behind the first ring, and an imager secured to the second ring. A radiation system includes a first device having a radiation source capable of generating a radiation beam suitable for treating a patient, and a second device having imaging capability, wherein the first device is oriented at an angle that is less than 180° relative to the second device. A radiation system includes a structure having a first opening, a radiation source rotatably coupled to the structure, an imaging device rotatable relative to the structure, and a processor for controlling a rotation of the radiation source and a rotation of the imaging device, wherein the radiation source is rotatable relative to the imaging device.Type: ApplicationFiled: May 1, 2006Publication date: November 6, 2008Inventors: Timothy E. Guertin, Richard H. Stark, Raymond D. McIntyre, Steven W. Prince, Stanley Mansfield, George A. Zdasiuk