RU2005106679A - METHOD FOR DOSE VERIFICATION FOR MEDICAL USE OF OPEN RADIONUCLIDES - Google Patents

METHOD FOR DOSE VERIFICATION FOR MEDICAL USE OF OPEN RADIONUCLIDES Download PDF

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RU2005106679A
RU2005106679A RU2005106679/14A RU2005106679A RU2005106679A RU 2005106679 A RU2005106679 A RU 2005106679A RU 2005106679/14 A RU2005106679/14 A RU 2005106679/14A RU 2005106679 A RU2005106679 A RU 2005106679A RU 2005106679 A RU2005106679 A RU 2005106679A
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Russia
Prior art keywords
radionuclide
radiation intensity
dose
radionuclides
introduction
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RU2005106679/14A
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Russian (ru)
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RU2289458C2 (en
Inventor
Николай Викторович Ваганов (RU)
Николай Викторович Ваганов
Андрей Владимирович Важенин (RU)
Андрей Владимирович Важенин
Валерий Борисович Смирнов (RU)
Валерий Борисович Смирнов
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Государственное образовательное учреждение высшего профессионального образовани "Чел бинска государственна медицинска академи " Минздрава России (RU)
Государственное образовательное учреждение высшего профессионального образования "Челябинская государственная медицинская академия" Минздрава России
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Application filed by Государственное образовательное учреждение высшего профессионального образовани "Чел бинска государственна медицинска академи " Минздрава России (RU), Государственное образовательное учреждение высшего профессионального образования "Челябинская государственная медицинская академия" Минздрава России filed Critical Государственное образовательное учреждение высшего профессионального образовани "Чел бинска государственна медицинска академи " Минздрава России (RU)
Priority to RU2005106679/14A priority Critical patent/RU2289458C2/en
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Способ верификации дозы при медицинском применении открытых радионуклидов путем измерения интенсивности излучения, с учетом изменения активности источника излучения во времени, отличающийся тем, что определяют не абсолютную поглощенную дозу в очагах, а относительную дозу, при этом измеряют через тканеэквивалентный фантом исходную интенсивность излучения непосредственно перед введением радионуклида в организм пациента и среднюю интенсивность излучения от очагов, поглотивших радионуклид, и вычисляют относительную дозу по формулеA method for verifying the dose in the medical use of open radionuclides by measuring the radiation intensity, taking into account the change in the activity of the radiation source over time, characterized in that it is not the absolute absorbed dose in the foci that is determined, but the relative dose, the initial radiation intensity is measured through a tissue-equivalent phantom immediately before administration the radionuclide into the patient’s body and the average radiation intensity from the foci that absorbed the radionuclide, and calculate the relative dose by the formula
Figure 00000001
Figure 00000001
 где Дn/о - значение относительной дозы, %;where D n / o - the value of the relative dose,%; Ио - исходная интенсивность излучения в момент введения радионуклида;And o is the initial radiation intensity at the time of introduction of the radionuclide; Иn - средняя интенсивность излучения от очагов в день (или час) измерения n;And n is the average radiation intensity from the foci per day (or hour) of measurement n; Фо и Фn - фоновые значения интенсивности излучения в момент введения радионуклида и в день измерения соответственно;Ф о and Ф n are the background values of the radiation intensity at the time of introduction of the radionuclide and on the day of measurement, respectively; k - коэффициент ежедневного (ежечасного) распада радионуклида;k is the coefficient of daily (hourly) decay of the radionuclide; n - количество дней (часов), прошедших с момента введения радионуклида.n is the number of days (hours) elapsed since the introduction of the radionuclide.
RU2005106679/14A 2005-03-09 2005-03-09 Method for verification of dose during medical administration of open radioactive nuclides RU2289458C2 (en)

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RU2289458C2 RU2289458C2 (en) 2006-12-20

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