Patents by Inventor Eric Earnst

Eric Earnst 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).

  • Publication number: 20180140222
    Abstract: Localization array position determination in a treatment room coordinate system is described. A method may include imaging, using an imaging system, a position of one or more markers integrated with a localization array in a treatment room and transforming the position of the one or more markers to a treatment room coordinate system. The method also includes determining the position of the localization array in the treatment room coordinate system based on the transforming.
    Type: Application
    Filed: January 19, 2018
    Publication date: May 24, 2018
    Inventors: Adam Jerome Weber, Eric Earnst, Calvin R. Maurer, JR., Gopinath Kuduvalli, Christopher A. Raanes
  • Publication number: 20180140221
    Abstract: Fiducial localization methods and apparatus are described.
    Type: Application
    Filed: January 19, 2018
    Publication date: May 24, 2018
    Inventors: Adam Jerome Weber, Eric Earnst, Calvin R. Maurer, JR., Gopinath Kuduvalli, Christopher A. Raanes
  • Patent number: 9883818
    Abstract: Fiducial localization methods and apparatus are described.
    Type: Grant
    Filed: June 18, 2008
    Date of Patent: February 6, 2018
    Assignee: Accuray Incorporated
    Inventors: Adam Jerome Weber, Eric Earnst, Calvin R. Maurer, Jr., Gopinath Kuduvalli, Christopher A. Raanes
  • Patent number: 9474914
    Abstract: Treatment targets such as tumors or lesions, located within an anatomical region that undergoes motion (which may be periodic with cycle P) are tracked. A 4D mathematical model may be established for the non-rigid motion and deformation of the anatomical region, from a set of CT or other 3D images. The 4D mathematical model relates the 3D locations of part(s) of the anatomical region with the targets being tracked, as a function of the position in time within P. Using non-rigid image registration between pre-operative and intra-operative images, the position of the target and/or other part(s) of the anatomical region may be determined.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: October 25, 2016
    Assignee: Accuray Incorporated
    Inventors: Euan S. Thomson, John Dooley, Gopinath Kuduvalli, James Wang, Eric Earnst, Chris Raanes
  • Publication number: 20150182761
    Abstract: Treatment targets such as tumors or lesions, located within an anatomical region that undergoes motion (which may be periodic with cycle P) are tracked. A 4D mathematical model may be established for the non-rigid motion and deformation of the anatomical region, from a set of CT or other 3D images. The 4D mathematical model relates the 3D locations of part(s) of the anatomical region with the targets being tracked, as a function of the position in time within P. Using non-rigid image registration between pre-operative and intra-operative images, the position of the target and/or other part(s) of the anatomical region may be determined.
    Type: Application
    Filed: March 10, 2015
    Publication date: July 2, 2015
    Inventors: Euan S. Thomson, John Dooley, Gopinath Kuduvalli, James Wang, Eric Earnst, Chris Raanes
  • Patent number: 8989349
    Abstract: Treatment targets such as tumors or lesions, located within an anatomical region that undergoes motion (which may be periodic with cycle P), are dynamically tracked. A 4D mathematical model is established for the non-rigid motion and deformation of the anatomical region, from a set of CT or other 3D images. The 4D mathematical model relates the 3D locations of part(s) of the anatomical region with the targets being tracked, as a function of the position in time within P. Using fiducial-less non-rigid image registration between pre-operative DRRs and intra-operative x-ray images, the absolute position of the target and/or other part(s) of the anatomical region is determined. The cycle P is determined using motion sensors such as surface markers. The radiation beams are delivered using: 1) the results of non-rigid image registration; 2) the 4D model; and 3) the position in time within P.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: March 24, 2015
    Assignee: Accuray, Inc.
    Inventors: Euan Thomson, John Robinson Dooley, Gopinath Kuduvalli, James Wang, Eric Earnst, Chris Raanes
  • Patent number: 8874187
    Abstract: Treatment targets such as tumors or lesions, located within an anatomical region that undergoes motion (which may be periodic with cycle P), are dynamically tracked. A 4D mathematical model is established for the non-rigid motion and deformation of the anatomical region, from a set of CT or other 3D images. The 4D mathematical model relates the 3D locations of part(s) of the anatomical region with the targets being tracked, as a function of the position in time within P. Using fiducial-less non-rigid image registration between pre-operative DRRs and intra-operative x-ray images, the absolute position of the target and/or other part(s) of the anatomical region is determined. The cycle P is determined using motion sensors such as surface markers. The radiation beams are delivered using: 1) the results of non-rigid image registration; 2) the 4D model; and 3) the position in time within P.
    Type: Grant
    Filed: August 7, 2007
    Date of Patent: October 28, 2014
    Assignee: Accuray Inc.
    Inventors: Euan Thomson, John Robinson Dooley, Gopinath Kuduvalli, James Wang, Eric Earnst, Chris Raanes
  • Patent number: 8457279
    Abstract: A patient positioning assembly is described. The patient positioning assembly including a plate member rotatably mounted on a base member, and an arm extending between a first end and a second end, wherein the first end is rotatably attached to the plate member. The patient positioning assembly further including a support device rotatably attached to the second end of the arm to support a patient thereon, with the support device is configured to move the patient in at least five degrees of freedom.
    Type: Grant
    Filed: June 3, 2010
    Date of Patent: June 4, 2013
    Assignee: Accuray Incorporated
    Inventors: Michael Saracen, James Wang, Euan Thomson, Eric Earnst, Chris Raanes, Mohan Bodduluri
  • Publication number: 20110092793
    Abstract: Treatment targets such as tumors or lesions, located within an anatomical region that undergoes motion (which may be periodic with cycle P), are dynamically tracked. A 4D mathematical model is established for the non-rigid motion and deformation of the anatomical region, from a set of CT or other 3D images. The 4D mathematical model relates the 3D locations of part(s) of the anatomical region with the targets being tracked, as a function of the position in time within P. Using fiducial-less non-rigid image registration between pre-operative DRRs and intra-operative x-ray images, the absolute position of the target and/or other part(s) of the anatomical region is determined. The cycle P is determined using motion sensors such as surface markers. The radiation beams are delivered using: 1) the results of non-rigid image registration; 2) the 4D model; and 3) the position in time within P.
    Type: Application
    Filed: December 9, 2010
    Publication date: April 21, 2011
    Applicant: Accuray, Inc.
    Inventors: Euan Thomson, John Robinson Dooley, Gopinath Kuduvalli, James Wang, Eric Earnst, Chris Raanes
  • Patent number: 7860550
    Abstract: A robotic patient positioning assembly for therapeutic radiation treatment includes a robotic positioning device for moving and supporting the patient during treatment, a sensor system for detecting the position of the robotic positioning device, and a controller operatively connected with the sensor system for receiving position data of the robotic positioning device and operatively connected to the robotic positioning device for controlling the motions of the robotic positioning device. The controller is adapted for controlling the motion of the robotic positioning device in response to information representative of the position of the robotic positioning device received from the sensor system, so that the treatment target within a patient loaded on the robotic positioning device is properly aligned with a radiation source of a therapeutic radiation treatment system.
    Type: Grant
    Filed: June 30, 2004
    Date of Patent: December 28, 2010
    Assignee: Accuray, Inc.
    Inventors: Michael Saracen, James Wang, Euan Thomson, Eric Earnst, Chris Raanes, Mohan Bodduluri
  • Publication number: 20100275927
    Abstract: A patient positioning assembly is described. The patient positioning assembly including a plate member rotatably mounted on a base member, and an arm extending between a first end and a second end, wherein the first end is rotatably attached to the plate member. The patient positioning assembly further including a support device rotatably attached to the second end of the arm to support a patient thereon, with the support device is configured to move the patient in at least five degrees of freedom.
    Type: Application
    Filed: June 3, 2010
    Publication date: November 4, 2010
    Applicant: Accuray, Inc.
    Inventors: Michael Saracen, James Wang, Euan Thomson, Eric Earnst, Chris Raanes, Mohan Bodduluri
  • Publication number: 20100237257
    Abstract: A method of robotic patient positioning for radiation treatment using a radiation source with an arm assembly rotatably connected to a support device is described. The method includes moving the support device with respect to the radiation source in at least five degrees of freedom to align a treatment target with respect to the radiation source. Moving the support device includes rotating the support device about first, second and third rotational axes and rotating the arm assembly about fourth and fifth rotational axes. Rotations about the fourth and fifth rotational axes translate the support device for fourth and fifth degrees of freedom of the at least five degrees of freedom.
    Type: Application
    Filed: June 3, 2010
    Publication date: September 23, 2010
    Applicant: Accuray. Inc.
    Inventors: Michael Saracen, James Wang, Euan Thomson, Eric Earnst, Chris Raanes, Mohan Bodduluri
  • Patent number: 7656998
    Abstract: A unified quality assurance technique to verify alignment of a radiation treatment delivery system. In one embodiment, a radiation treatment source is instructed to move to a preset source position. An image of the radiation treatment source at its actual source position is generated and compared against a reference image to determine whether the radiation treatment source correctly achieved the preset source position. In one embodiment, a positioning system is instructed to move a target detector to a preset target position. An image of the target detector at its actual target position is generated and compared against a reference target image to determine whether the positioning system correctly achieved the preset target position.
    Type: Grant
    Filed: November 14, 2005
    Date of Patent: February 2, 2010
    Assignee: Accuray Incorporated
    Inventors: William T. Main, Eric Earnst, Gopinath Kuduvalli
  • Patent number: 7604405
    Abstract: A method and apparatus for quality assurance of an image guided radiation treatment delivery system. A quality assurance (“QA”) marker is positioned at a preset position under guidance of an imaging guidance system of a radiation treatment delivery system. A radiation beam is emitted from a radiation source of the radiation treatment delivery system at the QA marker. An exposure image of the QA marker due to the radiation beam is generated. The exposure image is then analyzed to determine whether the radiation treatment delivery system is aligned.
    Type: Grant
    Filed: February 14, 2008
    Date of Patent: October 20, 2009
    Assignee: Accuray Incorporated
    Inventors: William Main, Eric Earnst, Gopinath Kuduvalli
  • Publication number: 20090005677
    Abstract: Fiducial localization methods and apparatus are described.
    Type: Application
    Filed: June 18, 2008
    Publication date: January 1, 2009
    Inventors: Adam Jerome Weber, Eric Earnst, Calvin R. Maurer, JR., Gopinath Kuduvalli, Christopher A. Raanes
  • Publication number: 20080144776
    Abstract: A method and apparatus for quality assurance of an image guided radiation treatment delivery system. A quality assurance (“QA”) marker is positioned at a preset position under guidance of an imaging guidance system of a radiation treatment delivery system. A radiation beam is emitted from a radiation source of the radiation treatment delivery system at the QA marker. An exposure image of the QA marker due to the radiation beam is generated. The exposure image is then analyzed to determine whether the radiation treatment delivery system is aligned.
    Type: Application
    Filed: February 14, 2008
    Publication date: June 19, 2008
    Inventors: William Main, Eric Earnst, Gopinath Kuduvalli
  • Patent number: 7356120
    Abstract: A method and apparatus for quality assurance of an image guided radiation treatment delivery system. A quality assurance (“QA”) marker is positioned at a preset position under guidance of an imaging guidance system of a radiation treatment delivery system. A radiation beam is emitted from a radiation source of the radiation treatment delivery system at the QA marker. An exposure image of the QA marker due to the radiation beam is generated. The exposure image is then analyzed to determine whether the radiation treatment delivery system is aligned.
    Type: Grant
    Filed: September 23, 2005
    Date of Patent: April 8, 2008
    Assignee: Accuray Incorporated
    Inventors: William Main, Eric Earnst, Gopinath Kuduvalli
  • Publication number: 20080039713
    Abstract: Treatment targets such as tumors or lesions, located within an anatomical region that undergoes motion (which may be periodic with cycle P), are dynamically tracked. A 4D mathematical model is established for the non-rigid motion and deformation of the anatomical region, from a set of CT or other 3D images. The 4D mathematical model relates the 3D locations of part(s) of the anatomical region with the targets being tracked, as a function of the position in time within P. Using fiducial-less non-rigid image registration between pre-operative DRRs and intra-operative x-ray images, the absolute position of the target and/or other part(s) of the anatomical region is determined. The cycle P is determined using motion sensors such as surface markers. The radiation beams are delivered using: 1) the results of non-rigid image registration; 2) the 4D model; and 3) the position in time within P.
    Type: Application
    Filed: August 7, 2007
    Publication date: February 14, 2008
    Inventors: Euan Thomson, John Dooley, Gopinath Kuduvalli, James Wang, Eric Earnst, Chris Raanes
  • Publication number: 20070127622
    Abstract: A unified quality assurance technique to verify alignment of a radiation treatment delivery system. In one embodiment, a radiation treatment source is instructed to move to a preset source position. An image of the radiation treatment source at its actual source position is generated and compared against a reference image to determine whether the radiation treatment source correctly achieved the preset source position. In one embodiment, a positioning system is instructed to move a target detector to a preset target position. An image of the target detector at its actual target position is generated and compared against a reference target image to determine whether the positioning system correctly achieved the preset target position.
    Type: Application
    Filed: November 14, 2005
    Publication date: June 7, 2007
    Inventors: William Main, Eric Earnst, Gopinath Kuduvalli
  • Publication number: 20070071176
    Abstract: A method and apparatus for quality assurance of an image guided radiation treatment delivery system. A quality assurance (“QA”) marker is positioned at a preset position under guidance of an imaging guidance system of a radiation treatment delivery system. A radiation beam is emitted from a radiation source of the radiation treatment delivery system at the QA marker. An exposure image of the QA marker due to the radiation beam is generated. The exposure image is then analyzed to determine whether the radiation treatment delivery system is aligned.
    Type: Application
    Filed: September 23, 2005
    Publication date: March 29, 2007
    Inventors: William Main, Eric Earnst, Gopinath Kuduvalli