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Radiotherapy locating device for skull tumors

A technology for tumor radiation and positioning devices, which is applied in radiation therapy, treatment, medical science, etc., and can solve problems such as difficulty in popularization and use, poor accuracy and repeatability, and expensive equipment

Inactive Publication Date: 2010-10-06
王萍
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

With the continuous improvement of today's radiotherapy equipment and the emergence of precise radiotherapy technology, the brain tumor can be accurately treated by the treatment planning system (TPS) under the CT simulation positioning. For a country with a population of 1.3 billion, it is difficult to popularize and use, and the traditional visual method is poor in accuracy and repeatability

Method used

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  • Radiotherapy locating device for skull tumors
  • Radiotherapy locating device for skull tumors
  • Radiotherapy locating device for skull tumors

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] 1. There must be preoperative and postoperative imaging examination films.

[0011] 2. Let the patient lie on his side on the positioning pillow, and put his arms on both sides of his body naturally.

[0012] 3. Find out the lesion according to the change of the tumor position in the preoperative and postoperative images.

[0013] 4. Measure the three-dimensional position of the tumor in the intracranial plane, that is, the transverse plane, sagittal plane, and coronal plane.

[0014] 5. Lower the hand-operated lifting screw to the base of the skull and attach the ruler to the scalp. At this time, overlap the X-axis with the horizontal line of the base of the skull, look at the numbers on the Y-axis, and move upward to the position of the cross-sectional tumor measured on the upper side of the image. The marking rod drops the marking head, leaving a mark on the scalp. Look at the numbers on the X-axis again, move the upstream scale on the X-axis to the sagittal tumor ...

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Abstract

The invention relates to a radiotherapy locating device for skull tumors. On the basis of three-dimensional conformal construction, the skull of a patient is fixed on the rectangular base with a U pillow; and a hand-operated thread lifting lever is used for ensuring accurate location of the cross section of the intracranial tumor of the patient and the sagittal plane. The invention is convenient and safe to operate; and a vernier is used for measuring the position of the tumor in the skull, thereby further ensuring accurate position of the skull tumor. Compared with a CT simulated locator, the invention has the advantages of flexible movement and low cost, and is economical and practical.

Description

Technical field [0001] The purpose of designing a radiotherapy positioning device for brain tumors in medical clinics is to improve the accuracy and repeatability of positioning intracranial tumors. Background technique [0002] Brain tumors are common tumors. About 80-90% of patients with brain tumors need radiation therapy after surgery. This emphasizes the accuracy of the tumor projection site, and a slight mistake will damage the normal brain tissue. With the continuous improvement of today's radiotherapy equipment and the emergence of precise radiotherapy technology, the brain tumor can be accurately treated by the treatment planning system (TPS) under the CT simulation positioning. For a country with a population of 1.3 billion, it is difficult to popularize and use it, and the traditional visual method is poor in accuracy and repeatability. Contents of the invention [0003] For the postoperative radiotherapy of brain tumors in municipal, county, and town hospitals...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B19/00A61N5/00
Inventor 王平
Owner 王萍
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