The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The annular phased aray (APA)1 has been under study at the University of Utah since late 1980. The prototype instrument was upgraded to its present configuration by April 1982. Its clinical engineering features and application are described. As of December 1982, 46 patients have been treated in a feasibility study to evaluate the use of the APA in inducing experimental regional hyperthermia for the...