This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
To the Editor:—
The purpose of this paper is to describe significant improvements in the design of the Crutchfield skull tongs. After examining many skull tongs and drill bits of my basic design produced by various manufacturers, it became apparent why there were complaints about some of the instruments pulling out of the skull. There was a wide variation in the size and shape of the pins and some of the drill bits were too small to be used for the satisfactory application of any instrument.Basically, the modified skull tongs are essentially the same as the original ones made in 1935, the significant difference being in the pins, which now provide a firmer grasp and therefore should eliminate the "pulling out problem" when used under normal circumstances. The modified pins can be installed in most of the stainless steel instruments made since 1935 that have a minimum spread of
Crutchfield WG. Improved Skull Tongs. JAMA. 1965;192(5):423. doi:10.1001/jama.1965.03080180081034