Combined syringe-laryngotracheal cannula

- Abbott Laboratories
Description

FIG. 1 is a side elevational view of a combined syringe-laryngotracheal cannula showing my new design;

FIG. 2 is an enlarged top plan view thereof, the cannula being omitted for convenience of illustration; and

FIG. 3 is an enlarged perspective view thereof it being understood that the cannula has been broken away in the center for convenience of illustration.

Referenced Cited
U.S. Patent Documents
3376866 April 1968 Ogle
3378008 April 1968 Ogle
Patent History
Patent number: D245120
Type: Grant
Filed: Sep 9, 1974
Date of Patent: Jul 19, 1977
Assignee: Abbott Laboratories (North Chicago, IL)
Inventor: Dean Richard Katerndahl (Wheaton, IL)
Primary Examiner: Wallace R. Burke
Assistant Examiner: James M. Gandy
Attorney: Neil E. Hamilton
Application Number: 5/504,575
Classifications
Current U.S. Class: D24/60
International Classification: D2402;