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Ion beam kinetic energy dissipater apparatus and method of use thereof

a kinetic energy dissipation apparatus and ion beam technology, applied in the field of control of ion beams, can solve the problems of reducing the ability to repair damaged dna, affecting the sensitivity of dna attack,

Inactive Publication Date: 2017-12-07
PROTOM INT HLDG CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent is about controlling the energy of a charged particle beam in a device used to image and treat cancer. The technical effect is improved precision in the delivery of radiation to cancer cells while minimizing damage to healthy cells.

Problems solved by technology

These particles damage the DNA of cells, ultimately causing their death.
Cancerous cells, because of their high rate of division and their reduced ability to repair damaged DNA, are particularly vulnerable to attack on their DNA.

Method used

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  • Ion beam kinetic energy dissipater apparatus and method of use thereof
  • Ion beam kinetic energy dissipater apparatus and method of use thereof
  • Ion beam kinetic energy dissipater apparatus and method of use thereof

Examples

Experimental program
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example i

[0166]Still referring to FIG. 13, a first input to the semi-automated radiation treatment plan development system 1300, used to generate the radiation treatment plan 1310, is a requirement of dose distribution 1320. Herein, dose distribution comprises one or more parameters, such as a prescribed dosage 1321 to be delivered; an evenness or uniformity of radiation dosage distribution 1322; a goal of reduced overall dosage 1323 delivered to the patient 230; a specification related to minimization or reduction of dosage delivered to critical voxels 1324 of the patient 230, such as to a portion of an eye, brain, nervous system, and / or heart of the patient 230; and / or an extent of, outside a perimeter of the tumor, dosage distribution 1325. The automated radiation treatment plan development system 1300 calculates and / or iterates a best radiation treatment plan using the inputs, such as via a computer implemented algorithm.

[0167]Each parameter provided to the automated radiation treatment ...

example ii

[0171]Still referring to FIG. 13, a second input to the semi-automated radiation treatment plan development system 1300, is a patient motion 1330 input. The patient motion 1330 input comprises: a move the patient in one direction 1332 input, a move the patient at a uniform speed 1333 input, a total patient rotation 1334 input, a patient rotation rate 1335 input, and / or a patient tilt 1336 input. For clarity of presentation and without loss of generality, the patient motion inputs are further described, supra, in several cases.

[0172]Still referring to FIG. 13, in a first case the automated radiation treatment plan development system 1300, provides a guidance input, such as the move the patient in one direction 1332 input, but a further associated directive is if other goals require it or if a better overall score of the radiation treatment plan 1310 is achieved, the guidance input is optionally automatically relaxed. Similarly, the move the patient at a uniform rate 1333 input is als...

example iii

[0175]Still referring to FIG. 13, a third input to the automated radiation treatment plan development system 1300 comprises output of an imaging system, such as any of the imaging systems described herein.

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Abstract

The invention comprises a method and apparatus for reducing a kinetic energy of positively charged particles, comprising the steps of: (1) transporting the positively charged particles from an accelerator into an exit nozzle system along a beam line; (2) providing a first chamber of the exit nozzle system, the first chamber comprising: an incident side comprising an incident aperture, an exit side comprising an exit aperture, and a beam path of the positively charged particles from the incident aperture to the exit aperture; (3) filling the beam path in the chamber with a liquid; and (4) using the liquid to reduce the kinetic energy of the positively charged particles. The kinetic energy dissipater is optionally used in combination with a proton therapy cancer treatment system and / or a proton tomography imaging system.

Description

CROSS-REFERENCES TO RELATED APPLICATIONS[0001]This application is a continuation-in-part of U.S. patent application Ser. No. 15 / 467,840 filed Mar. 23, 2017, which is a continuation-in-part of U.S. patent application Ser. No. 15 / 402,739 filed Jan. 10, 2017, which is a continuation-in-part of U.S. patent application Ser. No. 15 / 348,625 filed Nov. 10, 2016, which is a continuation-in-part of U.S. patent application Ser. No. 15 / 167,617 filed May 27, 2016.BACKGROUND OF THE INVENTIONField of the Invention[0002]The invention relates generally to controlling an ion beam, such as for imaging and treating a tumor.Discussion of the Prior ArtCancer Treatment[0003]Proton therapy works by aiming energetic ionizing particles, such as protons accelerated with a particle accelerator, onto a target tumor. These particles damage the DNA of cells, ultimately causing their death. Cancerous cells, because of their high rate of division and their reduced ability to repair damaged DNA, are particularly vul...

Claims

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Application Information

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IPC IPC(8): A61N5/10
CPCA61N5/1081A61N5/1049A61N2005/1061A61N2005/1054A61N2005/1087A61N5/1082A61B6/032A61B6/4258A61B6/5205A61N5/1067A61N5/1069A61N5/107A61N5/1077G21K5/04A61N5/1037A61N5/1039A61N2005/1051A61N2005/1095A61N2005/1097G21K1/10A61B6/4441A61B6/4085
Inventor LEE, W. DAVISAMATO, MARK R.
Owner PROTOM INT HLDG CORP
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