[Skip to Content]
[Skip to Content Landing]
March 17, 1928


Author Affiliations

Philadelphia Instructor in Surgery, University of Pennsylvania

JAMA. 1928;90(11):848-849. doi:10.1001/jama.1928.92690380004012d

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


Finding that the localization of metallic foreign bodies, particularly broken needles and pins, was a difficult procedure at times, I designed the electrical localizer here described and had it made by George P. Pilling & Son Company, Philadelphia. By its use a small incision may be made, causing less deformity and contraction than results in large exploratory incisions of the palm. Blood vessels and tendons are avoided and a minimum of trauma is performed.

When using small incisions and probing or using a small hook for localizing a foreign body, I have often felt what appeared to be the needle sought, only to find on bringing it to view that it was fibrous tissue, a tendon or a nerve. Accordingly, an instrument was developed that would register only when in contact with metal (fig. 1). In this instrument, known as an electrical foreign body localizer, a small electric bulb lights in a window

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