Patent · US Active

Robotic linac adaptation (RLA) for the in-line MRI-linac configuration

US9155913B2 · kind B2 · utility

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Assignee

The Board of Trustees of the Leland Stanford Junior University · US

Inventors

Rebecca Fahrig · Palo Alto, US
Dragos E. Constantin · Los Altos, US

Key dates

Filing date	Aug 2, 2012
Grant date	Oct 13, 2015
Priority date	—
Expiry date	Aug 2, 2032

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61N2005/1055
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An in-line MRI-linac apparatus is provided that includes an MRI magnet of an MRI scanner, where the MRI magnet generates a magnetic field, where the magnetic field has a quasi-uniform fringe field, where the fringe field is proximal to an axis of symmetry of the MRI magnet, and a magnetically unshielded dynamically moveable linac that includes a treatment beam that is aligned with field lines of the fringe field in a quasi axial symmetric configuration, where a position of the linac in the fringe field continuously adapts according to a target position to enable continuous dose delivery to the target.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.