Positioning frame for resetting position of patient on phantom fixing plate

Abstract

The invention relates to a positioning frame for resetting a position of a patient on a phantom fixing plate. A rectangular frame composed of two horizontal long rods and two horizontal short rods areprovided with a vertical supporting pole at four corners respectively, horizontal bases are located at the bottoms of the vertical supporting rods at two sides of the rectangular frame, and the bodies of the horizontal long rods and the vertical supporting rods are provided with scales; the two horizontal long rods and the vertical supporting rods are provided with laser emitters for emitting redcross-shaped laser lights. The positioning frame can be used together with the phantom fixing bottom plate, and before the patient molding positioning, the marking lines are drawn on the patient's body according to the red cross-shaped lines emitted by the laser emitters, and the relevant values are recorded. When the patient is being treated, the value of the positioning frame is adjusted and the patient is moved to enable the cross-shaped markers on the patient to be overlapped with the laser cross-shaped lines. Therefore, the patient positioning and resetting is achieved. The structure issimple, the positioning is convenient and fast, and the positioning precision and efficiency are improved.

Description

technical field [0001] The invention relates to a positioning and resetting device, in particular to a device for positioning and resetting the body of a radiotherapy patient on a phantom fixing plate during treatment, and belongs to a medical device. Background technique [0002] In clinical practice, about 70% of tumor patients need radiation therapy. The radiation therapy textbook describes this: If the positioning accuracy of the radiation therapist is 3mm wrong during treatment, the curative effect will drop by 3.3%, and the curative effect will drop if the error is 5mm. 18.4%, with an error of 6mm, the curative effect will drop by 33.1%. It can be seen that radiation therapists play a key role in the whole radiation therapy, and the higher the positioning accuracy of the therapists, the better the patient's curative effect. Therefore, the industry stipulates that the error of positioning treatment by radiation therapists is allowed within 2mm. During radiation therap...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a more suitable radiotherapy treatment for radiotherapy patients in view of the problems in the prior art that it takes too long for the therapist to set up the patient, the accuracy of the positioning is not high, and the quality of radiotherapy is directly affected. The front quick reset positioning frame is convenient for any therapist to operate and use

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