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Focus type strength regulated shape-adapted radiation therapeutic machine

A focused therapy and focused technology, which is applied in radiation therapy, treatment, ultrasonic therapy, etc., can solve the problems not involved in the conformity of focused irradiation intensity modulation, and achieve ideal dose distribution, convenient implementation and low cost

Inactive Publication Date: 2007-10-24
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

[0005] The above-mentioned intensity-modulated conformal therapy devices are large-field intensity-modulated conformal devices, or the large field is divided into fields or small fields, and the intensity of each field is superimposed to form the required overall intensity distribution. None of them involve the intensity-modulated adaptive method of focused irradiation. shape

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  • Focus type strength regulated shape-adapted radiation therapeutic machine
  • Focus type strength regulated shape-adapted radiation therapeutic machine
  • Focus type strength regulated shape-adapted radiation therapeutic machine

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Embodiment Construction

[0019] As shown in FIG. 1 , the focused treatment machine consists of a frame 1 , a focused treatment head 2 , a scanning positioning bed 3 , a control device 4 and a data processing device 5 . The focused treatment head 2 is installed on the frame 1, and is used to focus energy beams such as gamma rays, X-rays or ultrasonic waves to a focal point with high energy density. The scanning positioning bed 3 is used to carry the patient, and moves accordingly under the control of the control device 4 . The data processing device 5 is used to plan the treatment plan and complete functions such as reconstruction of the three-dimensional model of the lesion, model hierarchical processing, and intensity partitioning. And transmit the planning parameters to the control device 4, the control device 4 converts the planning parameters into motion control parameters, and controls the scanning positioning couch 3 to complete the treatment.

[0020] In accompanying drawing 2, the control dev...

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Abstract

The invention relates to a radiation therapy machine, comprising frame, three-dimensional scan location bed, focusing therapeutic head which is used to irradiate therapeutic energy to focal; electric control bed that is used to drive three-dimensional scan location; and data processing device that is used to control focusing head to scan continuously focal. The data processing device controls scan location bed to move, the focus scans in liner direction or along isodose curve and irradiates tumor focal and changes momentary scanning speed to realize proper distribution of irradiation dosage. The invention combines focusing irradiation with momentary control, and is characterized by convenient operation and high gain ratio.

Description

technical field [0001] The invention relates to a focus-type intensity-modulated conformal radiotherapy machine, in particular to an intensity-modulated conformal radiotherapeutic machine that adopts energy beams such as gamma rays and ultrasonic waves to focus and irradiate. Background technique [0002] Ideal radiotherapy should meet: a. In the irradiation direction, the field shape (including the focus scanning shape) is consistent with the shape of the target area; b. The irradiation intensity of points in each field can be adjusted according to requirements to achieve the best effect. Irradiation effect. This type of irradiation is called intensity-modulated conformal irradiation. [0003] The general implementation process of intensity-modulated conformal irradiation is: use the planning system with reverse planning design function to process the image data, obtain the geometric parameters and physical parameters of the irradiation target, and then calculate each The...

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Application Information

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IPC IPC(8): A61N5/00A61N5/01A61N7/00
Inventor 段正澄邵新宇李斌黄禹李勇朱国力龚时华
Owner HUAZHONG UNIV OF SCI & TECH