The Cope Needle

Louis J. Kettel, David W. Cugell

Research output: Contribution to journalLetterpeer-review


Dr. Cope's comments are a welcome supplement to our report on pleural biopsy. Space limitations precluded considerations of the physical characteristics of the biopsy needle, and acknowledgement of Dr. Cope's pioneering work with this device. We have had some difficulty due to backward bending of the hook and because of catching of the hook on the cannula. We agree that such difficulties are always ascribable to errors of technique. Such complications do not occur when the procedure is performed properly. It is true, however, that the sturdiness of the instrument has varied depending on the manner of manufacture. We are pleased to learn that henceforth this instrument will be stronger than in the past and thus no longer subject to the difficulties we have encountered.

Original languageEnglish (US)
Pages (from-to)663
Number of pages1
JournalJAMA: The Journal of the American Medical Association
Issue number7
StatePublished - Nov 13 1967
Externally publishedYes

ASJC Scopus subject areas

  • General Medicine


Dive into the research topics of 'The Cope Needle'. Together they form a unique fingerprint.

Cite this