IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0573030
(2009-10-02)
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등록번호 |
US-8090074
(2012-01-03)
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발명자
/ 주소 |
- Filiberti, Reto W.
- Kunz, Patrik
- Morf, Daniel
|
출원인 / 주소 |
- Varian Medical Systems International AG
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
0 |
초록
▼
A medical system includes a treatment radiation source configured to deliver treatment radiation during a treatment session, an imaging system configured to obtain image data during the treatment session, and a processor configured to determine a beam break, and automatically operate the imaging sys
A medical system includes a treatment radiation source configured to deliver treatment radiation during a treatment session, an imaging system configured to obtain image data during the treatment session, and a processor configured to determine a beam break, and automatically operate the imaging system to obtain the image data during the beam break. A medical system includes a treatment radiation source, an imaging system configured to automatically obtain image data in a beam break that occurs during a treatment session, and a processor configured to automatically operate the treatment radiation source to deliver treatment radiation during the treatment session after the beam break ends.
대표청구항
▼
1. A medical system, comprising: a radiation treatment system having a treatment radiation source configured to deliver treatment radiation during a treatment session;an imaging system configured to obtain image data during the treatment session; anda processor configured to determine a beam break,
1. A medical system, comprising: a radiation treatment system having a treatment radiation source configured to deliver treatment radiation during a treatment session;an imaging system configured to obtain image data during the treatment session; anda processor configured to determine a beam break, and automatically operate the imaging system to obtain the image data during the beam break;wherein the radiation treatment system includes a component that remains activated while the imaging system obtains the image data during the beam break. 2. The medical system of claim 1, wherein the processor is configured to determine an image using at least some of the image data, wherein the image has an image plane that is perpendicular to an axis of the treatment radiation source. 3. The medical system of claim 1, wherein the beam break comprises a treatment beam break. 4. The medical system of claim 1, wherein the beam break comprises an enforced beam break. 5. The medical system of claim 1, wherein the processor is configured to cause the imaging system to obtain additional image data during an additional beam break, wherein the beam break and the additional beam break comprise a plurality of treatment beam breaks, a plurality of enforced beam breaks, or a treatment beam break and an enforced beam break. 6. The medical system of claim 1, wherein the imaging system has a diagnostic radiation source that is capable of moving relative to the treatment radiation source. 7. The medical system of claim 1, wherein an operation of the treatment radiation source is synchronized with an operation of the imaging system. 8. The medical system of claim 1, wherein the processor is configured for reconstruction of an image using at least some of the image data during the treatment session. 9. The medical system of claim 8, wherein the at least some of the image data comprises most recent image data that are obtained within a prescribed time or prescribed gantry angle range. 10. The medical system of claim 8, wherein the reconstructed image comprises a beam's eye view image that corresponds with a position of the treatment radiation source. 11. The medical system of claim 10, wherein the at least some of the image data for the beam's eye view image comprises projection image data, wherein none of the projection image data is obtained at a direction of the treatment radiation source. 12. The medical system of claim 8, wherein the reconstructed image comprises a tomosynthesis image. 13. The medical system of claim 1, wherein the beam break is predetermined and is included in a treatment plan, and wherein the processor is configured to determine the predetermined beam break by processing the treatment plan. 14. The medical system of claim 1, wherein the radiation treatment system is configured to move the treatment radiation source during the beam break to a position prescribed by a treatment plan for delivering the treatment radiation, and wherein the processor is configured to automatically operate the imaging system to obtain the image data during the beam break while the treatment radiation source is being moved. 15. A medical system, comprising: a treatment radiation source configured to deliver treatment radiation during a treatment session;an imaging system configured to obtain image data during the treatment session; anda processor configured to determine a beam break, and automatically operate the imaging system to obtain the image data during the beam break;wherein the beam break comprises an enforced beam break, and wherein the processor is configured to determine the enforced beam break by:determining a period that has lapsed since a last image data acquisition;comparing the period with a prescribed threshold; anddetermining the enforced beam break based at least in part on the comparison. 16. A medical system, comprising: a treatment radiation source configured to deliver treatment radiation during a treatment session;an imaging system configured to obtain image data during the treatment session; anda processor configured to determine a beam break, and automatically operate the imaging system to obtain the image data during the beam break;wherein the beam break comprises an enforced beam break, and wherein the processor is configured to determine the enforced beam break by:determining a gantry angle undergone by a gantry since a last image data acquisition;comparing the gantry angle with a prescribed threshold; anddetermining the enforced beam break based at least in part on the comparison. 17. A medical system, comprising: a treatment radiation source;an imaging system configured to automatically obtain image data in a beam break that occurs during a treatment session; anda processor configured to automatically operate the treatment radiation source to deliver treatment radiation during the treatment session after the beam break ends. 18. The medical system of claim 17, wherein the processor is configured to determine an image using at least some of the image data, wherein the image has an image plane that is perpendicular to an axis of the treatment radiation source. 19. The medical system of claim 17, wherein the beam break comprises a treatment beam break. 20. The medical system of claim 17, wherein the beam break comprises an enforced beam break. 21. The medical system of claim 17, wherein the processor is configured to cause the imaging system to obtain additional image data during an additional beam break, wherein the beam break and the additional beam break comprise a plurality of treatment beam breaks, a plurality of enforced beam breaks, or a treatment beam break and an enforced beam break. 22. The medical system of claim 17, wherein the imaging system has a diagnostic radiation source that is capable of moving relative to the treatment radiation source. 23. The medical system of claim 17, wherein an operation of the treatment radiation source is synchronized with an operation of the imaging system. 24. The medical system of claim 17, wherein the processor is configured for reconstruction of an image using at least some of the image data during the treatment session. 25. The medical system of claim 24, wherein the at least some of the image data comprises most recent image data that are obtained within a prescribed time or prescribed gantry angle range. 26. The medical system of claim 24, wherein the reconstructed image comprises a beam's eye view image that corresponds with a position of the treatment radiation source. 27. The medical system of claim 26, wherein the at least some of the image data for the beam's eye view image comprises projection image data, wherein none of the projection image data is obtained at a direction of the treatment radiation source. 28. The medical system of claim 23, wherein the reconstructed image comprises a tomosynthesis image. 29. The medical system of claim 17, wherein the beam break is predetermined and is included in a treatment plan, and wherein the processor is configured to determine the predetermined beam break by processing the treatment plan. 30. The medical system of claim 17, wherein the treatment radiation source is a part of a radiation treatment system, and wherein the radiation treatment system includes a component that remains activated while the imaging system obtains the image data during the beam break, so that the radiation treatment system is in a state during the beam break in which it is ready for delivering the treatment radiation. 31. The medical system of claim 17, wherein the treatment radiation source is a part of a radiation treatment system, and wherein the radiation treatment system is configured to move the treatment radiation source during the beam break to a position prescribed by a treatment plan for delivering the treatment radiation, and wherein the imaging system is configured to automatically obtain the image data in the beam break while the treatment radiation source is being moved. 32. A medical system, comprising: a treatment radiation source;an imaging system configured to automatically obtain image data in a beam break that occurs during a treatment session; anda processor configured to automatically operate the treatment radiation source to deliver treatment radiation during the treatment session after the beam break ends;wherein the beam break comprises an enforced beam break, and wherein the processor is configured to determine the enforced beam break by:determining a period that has lapsed since a last image data acquisition;comparing the period with a prescribed threshold; anddetermining the enforced beam break based at least in part on the comparison. 33. A medical system, comprising: a treatment radiation source;an imaging system configured to automatically obtain image data in a beam break that occurs during a treatment session; anda processor configured to automatically operate the treatment radiation source to deliver treatment radiation during the treatment session after the beam break ends;wherein the beam break comprises an enforced beam break, and wherein the processor is configured to determine the enforced beam break by:determining a gantry angle undergone by a gantry since a last image data acquisition;comparing the gantry angle with a prescribed threshold; anddetermining the enforced beam break based at least in part on the comparison.
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