Stephan Fröhlich, Cornel Schlossbauer, Andreas Blumhofer: Exact patient positioning by compairing reconstructed x-ray images and linac x-ray images. BrainLAB, Renner Otto Boisselle & Sklar, February 4, 2003: US06516046 (197 worldwide citation)

A method for exact positioning of a patient for radiotherapy or radiosurgery comprising the following steps: a) pre-positioning the patient relative to a linear accelerator, b) producing at least one X-ray image of the patient or one of his/her body parts in the vicinity of the radiation treatment t ...

Mark P Carol: Method and apparatus for lesion position verification. NOMOS Corporation, Ben D Tobor, May 2, 1995: US05411026 (157 worldwide citation)

A method and apparatus for verifying the position of a lesion in a patient's body compares the location of the lesion in CT slices with the position of the lesion in ultrasound images taken while the patient lays on the treatment table of a linear accelerator.

Andrey V Mishin, Russell G Schonberg: CW particle accelerator with low particle injection velocity. Ron Falk & Fish Fish, April 28, 1998: US05744919 (144 worldwide citation)

An RF linear accelerator using CW or low amplitude pulsed RF excitation which can efficiently accelerate charged particles from 0.1 C to relativistic velocities in excess of 0.9 C. A charged particle source feeds charged particles having velocities of about 0.1 C into a first type RF LINAC having a ...

Eric R Cosman: Curved-shaped floor stand for use with a linear accelerator in radiosurgery. Richard J Birch, November 3, 1992: US05160337 (126 worldwide citation)

This invention relates to a design of a floor stand structure to be used in conjunction with stereotactic radiosurgery or radiotherapy with a linear accelerator (LINAC). The floor stand is typically mounted on the floor bearing of the LINAC and rotates about a vertical axis. It has a contoured shape ...

Mark P Carol: Method and apparatus for patient positioning for radiation therapy. Nomos Corporation, Ben D Tobor, April 22, 1997: US05622187 (122 worldwide citation)

A method and apparatus for positioning a patient upon a treatment table of a linear accelerator includes a camera secured to the gantry of the linear accelerator and a plurality of light emitting diodes mounted with respect to the patient which are viewed by the camera.

Frank J Bova, William A Friedman: Apparatus for stereotactic radiosurgery. University of Florida Research Foundation, Kerkam Stowell Kondracki & Clarke, February 23, 1993: US05189687 (109 worldwide citation)

Stereostactic radiosurgery apparatus for eliminating misalignments due to mechanical inaccuracies and sag of a linear accelerator radiation-emitting head which is swung through an arc comprises a guiding and support structure with a first bearing system for accurately rotating a collimator through a ...

Ichiro Yamashita, Yuichiro Kamino, Ikuo Wakamoto, Kazumasa Mihara: Radiotherapy apparatus. Mitsubishi Heavy, Armstrong Kratz Quintos Hanson & Brooks, December 20, 2005: US06977987 (107 worldwide citation)

A radiotherapy apparatus comprising an irradiation head having a linear accelerator and an intra-head waveguide unit whose one end portion is electromagnetically connected to the linear accelerator, a supporting moving mechanism which supports and moves the irradiation head on predetermined first sp ...

Avery Robert F: Support structure for electron accelerator with deflecting means and target and cooperating patient support. Varian Associates, June 1, 1971: US3582650 (104 worldwide citation)

Improved linear accelerator apparatus for directing ionizing radiation on an object is realized by utilization of a horizontal axis of rotation about which the linear accelerator axis rotates while the accelerator axis maintains a horizontal spatial orientation at different circumferential points of ...

Andreas Blumhofer, Stephan Fröhlich, Rainer Lachner, Cornel Schlossbauer: Method and device for accurately positioning a patient in radiotherapy and/or radiosurgery. BrainLAB, Renner Otto Boisselle & Sklar, March 8, 2005: US06865253 (88 worldwide citation)

A method for accurately positioning a patient for radiotherapy and/or radiosurgery, comprising the following steps: the patient is pre-positioned as accurately as possible with respect to a linear accelerator; at least two x-ray images of the patient and/or one of the parts of his body in the vicini ...

Stephen E Sampayan, George J Caporaso, Hugh C Kirbie: Enhanced dielectric-wall linear accelerator. The United States of America represented by the Department of Energy, William C Daubenspeck, William R Moser, Paul A Gottlieb, September 22, 1998: US05811944 (86 worldwide citation)

A dielectric-wall linear accelerator is enhanced by a high-voltage, fast e-time switch that includes a pair of electrodes between which are laminated alternating layers of isolated conductors and insulators. A high voltage is placed between the electrodes sufficient to stress the voltage breakdown o ...