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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

su·per·volt·age

(sū'pĕr-vol'tăj),
In radiation therapy, a descriptor for high-energy radiation exceeding 1000 V.
Farlex Partner Medical Dictionary © Farlex 2012
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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For the Supervoltage Therapy Unit, in 1961 Alf designed an automatic "Isodose Recorder" (11) (now superseded by an isotype radiation source, etc.)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.