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System, process and apparatus to determine linac isocenter

An isocenter and collimator technology, applied in the field of systems, processes and devices for determining isocenters of linear accelerators, and can solve problems such as mechanical instability of mobile subsystems

Pending Publication Date: 2021-09-10
AKTINA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some causes of non-concentric rotation can be non-circular swivel bearings, the effect of gravity on the part as it rotates, and mechanical instability of the moving subsystem

Method used

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  • System, process and apparatus to determine linac isocenter
  • System, process and apparatus to determine linac isocenter
  • System, process and apparatus to determine linac isocenter

Examples

Experimental program
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Embodiment Construction

[0128] The main components / components of the disclosed system are:

[0129] Signal Transmitting Module

[0130] Figure 8 The signaling module shown contains a fixed orientation spherical marker [14]. These spheres are labeled with the detectors of the camera pod [10] ( Figure 6 ) detectable frequencies of reflected or emitted light. The signal transmitting module passes through the collimator installation mechanism ( Figure 6 in [11]) are rigidly mounted to a LINAC collimator. Once mounted, it will rotate with the gantry and collimator as a trackable physical extension of them.

[0131] Signal Receiver Module / Camera Pod

[0132] camera compartment [10] (see Figure 9 ) contains cameras housed in a rigid outer body with known fixed orientations to each other. The camera pod acquires time-synchronized images and transmits these images to a computer / processor for analysis. With stereo imaging processing, the position and orientation of an object in real space can ...

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PUM

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Abstract

A system to determine the isocenter of a LINAC includes apparatus and processes. One embodiment does this by determining the axis of rotation for the collimator, the gantry, and may include the couch. In another embodiment only determining the axis of the rotation of the collimator is required. The system and apparatus enable the tracking of the translation-rotation of mechanical components attached to the LINAC to compute the axis of rotation of gantry, collimator and couch. Based on the data collected related to these axes the LINAC isocenter is determined. The primary apparatus utilized in the system includes a single emitter module, a signal receiver module, and a positioning module. The system also includes an isocenter target module and a gravity module to determine a gravity vector relative to the signal receiver.

Description

[0001] Cross References to Related Applications [0002] This application is a continuation-in-part of non-provisional application Serial No. 16,934,586, filed July 21, 2020, and claims U.S. Provisional Patent Application Serial No. 62986957, filed March 9, 2020, and U.S. Provisional Patent Application, filed June 2, 2020 Priority to Application Serial No. 63033328, all of which are hereby incorporated by reference in their entirety for all purposes. technical field [0003] A system, process, apparatus, apparatus and method for tracking the translation-rotation of mechanical components to determine the isocenter (Isocenter) of a medical linear accelerator (LINAC) by calculating the rotational axis of a gantry, collimator and couch. Background technique [0004] mechanical rotation [0005] Radiation therapy is a type of cancer treatment that uses intense beams of high-energy radiation to kill cancer cells. [0006] During treatment, radiation beams are delivered from a me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N5/10
CPCA61N5/1001A61N5/1042A61N5/1065A61N5/1077A61N5/1049A61N2005/1061A61N2005/105A61N2005/1092A61N5/1075A61N5/1081A61N2005/1051
Inventor 尼古拉斯·扎卡罗普洛斯米兰·马科维奇大卫·芬耶斯
Owner AKTINA CORP
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