supervoltage


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supervoltage

 [soo´per-vōl″taj]
in radiation therapy, voltage between 500 kilovolts and 1 megavolt, as contrasted with orthovoltage and megavoltage.

su·per·volt·age

(sū'pĕr-vol'tăj),
In radiation therapy, a descriptor for high-energy radiation exceeding 1000 V.
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References in periodicals archive ?
Intra-alveolar carcinoma of the jaw: treatment by supervoltage radiotherapy.
For the Supervoltage Therapy Unit, in 1961 Alf designed an automatic "Isodose Recorder" (11) (now superseded by an isotype radiation source, etc.) to first record the dosage of high voltage radiation absorbed by a "water phantom", a kind of simulator enabling more precise and safer treatment (3).
The driver is tri-statable and is capable of 9V swings over a 12V range, with the ability to drive 13V flash supervoltage programming levels.