FIG. 1 is a side elevational view of my catheter design;

FIG. 2 is a top plan view of the catheter;

FIG. 3 is a left end plan view of FIG. 2; and

FIG. 4 is a right end plan view of FIG. 2.

Referenced Cited
U.S. Patent Documents
D228691 October 1973 Stocton
D245451 August 16, 1977 Wortley
3769975 November 1973 Nimoy et al.
3782383 January 1974 Thompson et al.
3811440 May 1974 Moorehead et al.
3859998 January 1975 Thomas et al.
4046144 September 6, 1977 McFarlane
Patent History
Patent number: D250349
Type: Grant
Filed: Mar 15, 1977
Date of Patent: Nov 21, 1978
Inventor: Richard H. McFarlane (St. Charles, IL)
Primary Examiner: Bernard Ansher
Attorney: John Cyril Malloy
Application Number: 5/777,622
Current U.S. Class: D24/54
International Classification: D2402;