Method and device for efficiently irradiating a target from multiple irradiation angles in a particle therapy system

Patent metadata

Field	Value
Publication number	US-9764163-B2
Application number	US-201514866280-A
Country	US
Kind code	B2
Filing date	Sep 25, 2015
Priority date	Sep 25, 2015
Publication date	Sep 19, 2017
Grant date	Sep 19, 2017

Abstract

A control system is described which provides a user interface that displays a clear graphical representation of relevant data for a particle radiation therapy system (such as a pencil-beam proton therapy system) for treating multiple beam fields as efficiently as possible. The user interface allows a user to visualize a treatment session, select one or multiple beam fields to include in one or more beam applications, and dissociate beam fields previously grouped if necessary. Further embodiments extend the ability to initiate the application of the generated proton therapy beam and the grouping of beam fields to be performed remotely from the treatment room itself, and even automatically, reducing the need for manual interventions to setup between fields.

First claim

What is claimed is:

1. A method for controlling a particle therapy device, the method comprising:
receiving user input corresponding to a request for control of a particle beam to irradiate a plurality of beam fields;
receiving user input corresponding to a grouping of a subset of beam fields of the plurality of beam fields;
verifying a compatibility of the subset of beam fields;
automatically transmitting instructions to the particle therapy device to emit the particle beam as a beam for the subset of beam fields in a target subject in a contiguous beam application;
receiving a second user input corresponding to an ungrouping of the subset of beam fields;
disassociating the subset of beam fields into a plurality of discrete beam fields in response to the second user input; and
automatically updating the instructions to the particle therapy device to irradiate the plurality of discrete beam fields separately.

2. The method of claim 1 , wherein the method is performed in a client computing device.

3. The method of claim 2 , wherein the client computing device is remotely positioned with respect to the particle therapy device.

4. The method of claim 2 , further comprising receiving user input corresponding to a programming of a plurality of motions corresponding to a movement of a treatment nozzle configured to emit the particle beam at the target subject.

5. The method of claim 1 , further comprising storing the subset of beam fields in a memory device.

6. The method of claim 5 , further comprising automatically initiating treatment for the subset of beam fields in a subsequent treatment session.

7. A radiation therapy system comprising:
a gantry of a particle therapy device comprised in a first particle therapy treatment room of a plurality of particle therapy treatment rooms, the gantry being configured to rotate around a target subject of the particle therapy device;
a treatment nozzle comprised in the gantry, the treatment nozzle configured to emit a stream of irradiated particles as a beam at a plurality of iso-centers in the target subject;
a client computing device remotely located with respect to the first particle therapy treatment room, the client computing device being operable to receive a first user input corresponding to a grouping of multiple beam fields corresponding to an iso-center of the plurality of iso-centers, to automatically transmit instructions to the particle therapy device to emit the beam for the grouping of beam fields in a contiguous beam application, to receive a second user input corresponding to a dissociation of a subset of beam fields from the grouping, to update the instructions to the particle therapy device to irradiate the subset of beam fields separately, and to automate a treatment of the target subject based on the updated instructions.

8. The radiation therapy system of claim 7 further comprising a patient positioning device configured to provide support and to alter a positioning of the target subject.

9. The radiation therapy system of claim 8 , wherein the client computing device is further configured to detect and avoid an impending collision between at least two of: the target subject, the gantry, the treatment nozzle, and the patient positioning device.

10. The radiation therapy system of claim 7 , wherein the stream of irradiated particles is shared between the plurality of particle therapy treatment rooms.

11. The radiation therapy system of claim 10 , wherein the client computing device is further configured to generate and display a graphical representation of a treatment session that includes the grouping of beam fields in a single contiguous session.

12. A non transitory computer readable medium containing programmed instructions, which, when executed by a processor of a client computing system is operable to control a particle therapy device, the programmed instructions comprising:
instructions to receive user input corresponding to a request for control of a particle beam to irradiate a plurality of beam fields;
instructions to receive user input corresponding to a grouping of a subset of beam fields of the plurality of beam fields;
instructions to verify a compatibility of the subset of beam fields;
instructions to automatically transmit instructions to the particle therapy device to emit the particle beam as a beam for the subset of beam fields in a target subject in a contiguous beam application;
instructions to receive a second user input corresponding to an ungrouping of the subset of beam fields;
instructions to dissociate the subset of beam fields into a plurality of discrete beam fields in response to the second user input; and
instructions to automatically update the instructions to the particle therapy device to irradiate the plurality of discrete beam fields separately.

13. The computer readable medium of claim 12 , further comprising instructions to receive user input and instructions to program of a plurality of motions corresponding to a movement of a treatment nozzle configured to emit the particle beam at the target subject.

14. The computer readable medium of claim 12 , further comprising instructions to store the subset of beam fields in a memory device.

15. The computer readable medium of claim 12 , further comprising instructions to automatically initiate a treatment for the subset of beam fields in a subsequent treatment session.

Assignees

• Varian Medical Systems Particle Therapy Gmbh
• Varian Med Sys Inc
• Varian Medical Systems Particle Therapy Gmbh

Inventors

• Benner Anke
• Clift Julie
• Hensel Andreas
• Kane Richard
• Karis Jan
• Sinha Nilesh
• Spatola Brian
• Timmer Jan

Classifications

• A61N5/1082

  having multiple beam rotation axes · CPC title

• A61N2005/1087

  Ions; Protons · CPC title

• A61N2005/1074

  Details of the control system, e.g. user interfaces · CPC title

• A61N5/1081 Primary

  Rotating beam systems with a specific mechanical construction, e.g. gantries · CPC title

• A61N5/1049

  for verifying the position of the patient with respect to the radiation beam · CPC title