Method and apparatus for ultrasound medical treatment
First Claim
1. A medical treatment apparatus, comprising:
- an imaging device to obtain image data of a treatment portion containing a treatment target;
an irradiation device to apply radiation onto the treatment target; and
a control device to control said imaging device and said irradiation device, said control device controlling said irradiation device to apply the radiation at a prescribed level and then controlling said imaging device to obtain hot spot detection image data, said control device detecting from the hot spot detection image data a hot spot indicating a change due to a temperature change caused by the radiation at the prescribed level, and said control device controlling said irradiation device to adjust a focal point of said irradiation device according to the detected hot spot and applying treatment radiation at a treatment level higher than the prescribed level.
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Abstract
An ultrasound medical treatment system capable of determining the hot spot at high spatial resolution, and preventing the displacement of the hot spot from the focal point. In the system, the imaging device for obtaining image data of a treatment portion containing a treatment target and an irradiation device for applying radiation onto the treatment target are controlled in such a manner that the imaging device is controlled to obtain hot spot detection image data after the irradiation device is controlled to apply radiation at a prescribed level, so that a hot spot indicating a change due to a temperature change caused by the radiation at the prescribed level can be detected from the hot spot detection image data. The irradiation device is then controlled to apply a treatment radiation at a treatment level higher than the prescribed level according to the detected hot spot.
241 Citations
10 Claims
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1. A medical treatment apparatus, comprising:
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an imaging device to obtain image data of a treatment portion containing a treatment target; an irradiation device to apply radiation onto the treatment target; and a control device to control said imaging device and said irradiation device, said control device controlling said irradiation device to apply the radiation at a prescribed level and then controlling said imaging device to obtain hot spot detection image data, said control device detecting from the hot spot detection image data a hot spot indicating a change due to a temperature change caused by the radiation at the prescribed level, and said control device controlling said irradiation device to adjust a focal point of said irradiation device according to the detected hot spot and applying treatment radiation at a treatment level higher than the prescribed level. - View Dependent Claims (2, 3, 4, 5)
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6. A method of medical treatment, comprising the steps of:
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applying radiation at a prescribed level onto a treatment target, said applying step being carried out by an irradiation device; obtaining hot spot detection image data of a treatment portion containing the treatment target after said applying step, said obtaining step being carried out by an imaging device; detecting a hot spot from the hot spot detection image data, the hot spot indicating a change due to a temperature change caused by the radiation at the prescribed level; and carrying out a treatment by adjusting a focal point of said irradiation device in response to the detected hot spot and applying treatment radiation at a treatment level higher than the prescribed level. - View Dependent Claims (7, 8, 9, 10)
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Specification