Patent · US Active

Activity levels for diffusing alpha-emitter radiation therapy

US12070620B2 · kind B2 · utility

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9References
4Claims
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Key dates

Filing dateJan 9, 2023
Grant dateAug 27, 2024
Priority date
Expiry dateJan 9, 2043

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61N2005/1087
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A method for treating a cancerous tumor, by implanting in the cancerous tumor at least one diffusing alpha-emitter radiation therapy (DaRT) source (21) with a suitable radon release rate and for a given duration, such that the source (21) provides during the given duration a cumulated activity of released radon of at least 10 Mega becquerel (MBq) hour, per centimeter length. Optionally, the sources (21) are implanted in an array (160) of sources (21), each source separated from its neighboring sources (21) in the array by not more than 4.5 millimeters.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.