Carlen's catheter

[kärlənz]
n.
  1. A double lumen, flexible catheter for bronchospirometry and for isolation of a portion of the lung to control secretions into the remainder of the tracheobronchial tree during general anesthesia.endobronchial tube
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.