Thoracic drainage tube

Description

FIG. 1 is a side elevation view of a thoracic drainage tube, embodying my new design, the opposite side elevation view being identical thereto;

FIG. 2 is a rear elevation thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
3417750 December 1968 Carson
3463159 August 1969 Heimlich
3542026 November 1970 Bledsoe
4153058 May 8, 1979 Nehme
4392858 July 12, 1983 George et al.
4834723 May 30, 1989 Sheridan et al.
4883474 November 28, 1989 Sheridan et al.
4976688 December 11, 1990 Rosenblum
Foreign Patent Documents
86330705/50 April 1986 GBX
Patent History
Patent number: D345417
Type: Grant
Filed: Dec 6, 1991
Date of Patent: Mar 22, 1994
Assignee: AmRus Corp. (St. Louis, MO)
Inventor: Igor A. Sharipov (Moscow)
Primary Examiner: Stella Reid
Law Firm: Kalish & Gilster
Application Number: 7/805,816