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Tent-and-mortise clamp type radiotherapy head and neck positioning hollow pillow flat plate fixing frame

A technology of radiation therapy and fixing frame, which is applied in radiation therapy, therapy, X-ray/γ-ray/particle irradiation therapy, etc., to achieve the effect of convenient operation, strong practicability and versatility, and scientific design

Active Publication Date: 2018-11-02
ZHEJIANG CANCER HOSPITAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the disadvantages of traditional head radiotherapy positioning, and provide a precise radiotherapy positioning device - mortise and tenon type radiotherapy head and neck positioning hollow pillow flat plate fixing frame

Method used

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  • Tent-and-mortise clamp type radiotherapy head and neck positioning hollow pillow flat plate fixing frame
  • Tent-and-mortise clamp type radiotherapy head and neck positioning hollow pillow flat plate fixing frame
  • Tent-and-mortise clamp type radiotherapy head and neck positioning hollow pillow flat plate fixing frame

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Example 1 Mortise and tenon snap-in type radiotherapy head and neck positioning hollow pillow plate fixing frame

[0028] see figure 1 , figure 2 and Figure 16 , the innovation is composed of three parts: a fixed frame, a headrest and a head membrane, and the three need to be used in conjunction.

[0029] 1. See figure 1 , the fixed frame is composed of hollow part 306, head base plate 147, groove edge 307, shoulder base plate 290, base plate positioning hole 299, base plate composite positioning hole 301, body groove 304, body base plate 305, crotch stopper 309, base plate slope 300 , the upper limb limiter 296, the single locking plate locking assembly 289 and the mortise and tenon locking assembly 302 are jointly composed. The main structure is composed of a head base plate 147 with an isosceles trapezoidal structure, a shoulder base plate 290 with a rectangular structure and a body base plate 305. The bottom of the head base plate 147 is hollowed out along it...

Embodiment 2

[0036] Embodiment 2: the present invention uses method

[0037] The first step: preparation work. This fixed frame is placed on the position bed, then the fixed headrest is put into the groove edge 307 on the head base plate 147 . Advise the patient to lie down on the fixed frame so that the head is close to each curved surface of the headrest, that is: the patient's headrest part is in close contact with the occipital bone curve 292, and the neck is in close contact with the strong curve 293.

[0038] Step Two: Upper Body Restraint. When in use: the operator turns the dial 69, and the handle 37 moves up and down to be adjusted to a suitable position held by the patient.

[0039] The third step: crotch restriction. During use: the operator toggles the dial 69, the handle 37 moves up and down, and the handle 37 is adjusted to clamp the patient's sacrum.

[0040] The fourth step: pull the mold. Two people cooperate to carry out together, immerse the present invention in the...

Embodiment 3

[0043] Embodiment 3 uses the comparison of this invention fixed frame and original mode

[0044] The comparison results are shown in Table 1.

[0045] Table 1

[0046]

[0047]

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Abstract

The invention provides a hollow pillow flat plate fixing frame for head and neck positioning for tenon-and-mortise card deck type radiation therapy. The hollow pillow flat plate fixing frame consists of a fixing frame, a head pillow and a head film, wherein the braking direction and the regulation moment of an upper limb position limiter and a crotch position limiter are in a spirally crossed state; the one-way braking locking state is completely realized; the fine adjustment precise control is realized; the worry about the fixation loosening in the use period is not needed; the occurrence of human body injury events such as clamping and extrusion is avoided; the influence on the bottom ray attenuation is reduced to minimum; the displacement error of the head and neck part can be controlled to the minimum. Through the humanized detail design, the operation of a technician is simplified, and is convenient and fast. The position limitation fixation on the head part of the human body can be completely realized. The zero displacement is reached or is approximately reached; all disadvantages and defects of the existing head radiation therapy positioning structure are effectively avoided and overcome. The hollow pillow flat plate fixing frame has the advantages that the design is reasonable; the operation is convenient; safety and environment protection are realized; the fixation effect is obvious; the practicability and the universality are high.

Description

technical field [0001] The invention belongs to the technical field of human body positioning devices in radiotherapy, and relates to a mortise-and-tenon clamp type radiotherapy head and neck positioning hollow pillow plate fixing frame, which is a head and neck positioning device in radiotherapy, and is suitable for human body activities The overall fixation of the large head and neck is an important part of precise positioning and implementation in modern radiation therapy. Background technique [0002] Low-temperature thermoplastic sheet (membrane) is a new type of medical material made of specially synthesized high-molecular polyester through a series of physical and chemical methods. It is used for radiotherapy position fixation, orthopedic external fixation, orthotics, braces, etc. Materials. Because the material has outstanding properties such as non-absorbing radiation, good shaping effect after heating and softening, and unique shape memory function (when the shapi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61N5/00A61N5/10
CPCA61N5/00A61N5/10A61N2005/1097
Inventor 姚乐静张鹏封巍
Owner ZHEJIANG CANCER HOSPITAL
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