[Skip to Content]
[Skip to Content Landing]
Article
January 25, 1908

AUTOMATIC TIME SWITCH FOR X-RAY WORK.

JAMA. 1908;L(4):280-281. doi:10.1001/jama.1908.25310300032003d

This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.

Abstract

In using either the x-ray or electricity in therapeutics, the inconvenience and loss of time required to time the length of treatment properly is an annoying feature of the work. More especially is this true when the x-ray is used, as the length of exposure is of the utmost importance. The safety of the patient requires great care in order that over-exposure be avoided, and safety to the operator requires that he should not remain present longer than necessary, even when ordinary protection is employed.

I have devised a new automatic time switch which is very simple and positive in operation, and can be depended on to stop the treatment when the time is up by cutting off the current. This not only makes it unnecessary for the physician to be present during the time of treatment, but also relieves the patient from anxiety caused by fear of too long

First Page Preview View Large
First page PDF preview
First page PDF preview
×