Radiation dosimetry of Interventional radiological operator using direct eye dosimeter corresponding to new radiation dose limit of ICRP
About this project
- Japan Grant Number
- JP18K07755
- Funding Program
- Grants-in-Aid for Scientific Research
- Funding organization
- Japan Society for the Promotion of Science
- Project/Area Number
- 18K07755
- Research Category
- Grant-in-Aid for Scientific Research (C)
- Allocation Type
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- Multi-year Fund
- Review Section / Research Field
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- Basic Section 52040:Radiological sciences-related
- Research Institution
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- Kyushu University
- Project Period (FY)
- 2018-04-01 〜 2023-03-31
- Project Status
- Completed
- Budget Amount*help
- 3,640,000 Yen (Direct Cost: 2,800,000 Yen Indirect Cost: 840,000 Yen)
Research Abstract
In this research, there was no IR (interventional radiology) operators who evaluated the lens dose with neck glass dosimeter outside protective lead glasses and exceed the new occupational lens dose limit (20 mSv/year, averaged over defined periods of 5 years). In high volume center of IR, however, there may be some IR operators who may exceed the new occupational lens dose limit. The lens dose inside lead glasses which was estimated with the shieling effect and the lens dose of neck dosimeter tended to be lower and underestimated, compared to the eye lens dose by using a novel direct eye dosimeter, the DOSIRIS(Hp(3)) under protective glasses. This underestimated eye lens dose may cause the risk of radiation induced cataracts. Finally, To comply with new limit of eye dose and minimize the radiation-induced risk at the eye lenses, protective lead devices and correct evaluation of the eye dose using direct eye dosimeter like DOSIRIS under protective lead glasses might be needed.
Details 詳細情報について
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- CRID
- 1040282256977038848
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- Text Lang
- ja
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- Data Source
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- KAKEN