The Cope Needle
Abstract
To the Editor:—
Recent remarks in The Journal by Kettel and Cugell (200:317, 1967) and Levine (201:492, 1967) concerning the "fragility" of the Cope Biopsy needle should be set in their proper perspective, since it might otherwise be erroneously concluded that this useful biopsy instrument is a dangerous weapon!
Since devising this instrument in 1957, I have never personally bent or broken its tip. Much effort was spent to strengthen the...