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Multifunctional measurement device for stereotactic radiotherapy

A measuring device and stereotaxic technology, applied in the directions of X-ray/γ-ray/particle irradiation therapy, etc., can solve the problems of time-consuming and laborious, single measurement function, unable to measure the focusing characteristics of a single source itself, and achieve simple structure and installation. handy effect

Active Publication Date: 2011-01-19
戴建荣 +1
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AI Technical Summary

Problems solved by technology

First of all, a device is often designed according to one or a few measurement indicators, and the measurement function is relatively single. During the measurement process, the measurement device needs to be replaced to complete the measurement of all indicators, which is time-consuming and laborious.
Secondly, it can only measure the focusing characteristics of the dose distribution formed by the joint irradiation of all radiation sources, and cannot measure the focusing characteristics of a single source itself

Method used

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  • Multifunctional measurement device for stereotactic radiotherapy
  • Multifunctional measurement device for stereotactic radiotherapy
  • Multifunctional measurement device for stereotactic radiotherapy

Examples

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Embodiment Construction

[0012] Below in conjunction with accompanying drawing and specific embodiment, the present invention is described in further detail: the specific application method of illustration:

[0013] Figure 1 The embodiment shown is a measuring device for head stereotactic radiotherapy. The outer layer 1 is a cylinder with an arc top, and the inner layer 2 is a cylinder with a spherical top. The layer 2 is respectively fixed on the base ring 6 with screws 7, and a film is just inserted into the reserved gap 4 between the outer layer 1 and the inner layer 2 to form a complete measuring device.

[0014] When measuring, use figure 2 (a) The multi-function plug-in shown in (a) is inserted into the central measuring hole 5 image 3 (b) For the cylindrical adapter rod shown in (b), each radiation source will leave two radiation spots on the film between the outer layer 1 and the inner layer 2, and gold or The projection of the tungsten ball 8, according to which the path of each ray bea...

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Abstract

The invention discloses a multifunctional measurement device for stereotactic radiotherapy, and aims to provide a measurement device which combines multiple measurement functions, does not need to be replaced, can measure each item of physical performance parameter in the stereotactic radiotherapy by only replacing an insert therein and can obtain focusing characteristic of a single source per se. The key points of the technical scheme are that: the device consists of a die body outer layer, a die body inner layer, a die body multifunctional insert and a base ring, wherein a body of the measurement device is formed by fixing the outer layer and the inner layer on the base ring with screws; a gap is reserved between each outer layer and each inner layer for inserting a film; and a columnarcircular hole is reserved on the inner layer close to the central position of the base ring for placing the multifunctional insert.

Description

technical field [0001] The invention relates to a medical measuring device, in particular to a multifunctional measuring device with various plug-ins for stereotactic radiotherapy. Background technique [0002] Stereotactic radiotherapy technology has the characteristics of large dose gradient and high fractional dose. The quality assurance / control of the whole system is very important. At present, various stereotactic radiotherapy measurement devices used in the medical field at home and abroad can measure some characteristic parameters of the dose field. Such as focus accuracy, focus absorbed dose rate, focus field size deviation and penumbra. But there are at least two deficiencies in these measuring devices. First of all, a device is often designed according to one or a few measurement indicators, and the measurement function is relatively single. During the measurement process, the measurement device needs to be replaced to complete the measurement of all indicators, w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N5/10
Inventor 戴建荣徐英杰
Owner 戴建荣
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