helical star shot

05:50 Apr 6, 2019
This question was closed without grading. Reason: Answer found elsewhere

English to Czech translations [PRO]
Medical - Medical: Instruments / tomoterapie
English term or phrase: helical star shot
Tomotherapy delivers an intensity-modulated radiation therapy (IMRT) treatment by the synchronization of gantry rotation, multileaf collimator (MLC), and couch movement. This dynamic nature makes the quality assurance (QA) important and challenging. The purpose of this study is to develop some methodologies using an ArcCHECK for accurate QA measurements of the gantry angle and speed, MLC synchronization and leaf open time, couch translation per gantry rotation, couch speed and uniformity, and constancy of longitudinal beam profile for a Tomotherapy unit.

Four test plans recommended by AAPM Task Group 148 (TG148) and the manufacturer were chosen for this study. Helical and static star shot tests are used for checking the leaves opened at the expected gantry angles.
Ivan Šimerka
Czech Republic
Local time: 04:47

Summary of answers provided
3spirálové snímkování s hvězdicovými efekty/artefakty
Dalibor Uhlik

Discussion entries: 2



11 days   confidence: Answerer confidence 3/5Answerer confidence 3/5
spirálové snímkování s hvězdicovými efekty/artefakty

co řikáte? http://astronuklfyzika.cz/Fyzika-NuklMed.htm

Note added at 11 days (2019-04-17 17:10:52 GMT)


Note added at 11 days (2019-04-17 17:11:08 GMT)

spirální tedy

Dalibor Uhlik
Czech Republic
Local time: 04:47
Specializes in field
Native speaker of: Native in CzechCzech
PRO pts in category: 40
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