Myringotomy tube

- Treace Medical, Inc.

FIG. 1 is a front elevational view of the myringotomy tube, showing my new design, the rear, top and bottom being substantially similar thereto.

FIG. 2 is a left end elevational view thereof.

FIG. 3 is a right end elevational view thereof.

FIG. 4 is a sectional view taken on line IV--IV of FIG. 1.

FIG. 5 is a right front perspective view thereof.

FIG. 6 is a left front perspective view thereof.

Referenced Cited
U.S. Patent Documents
D239330 March 1976 Shea, Jr.
3807409 April 1974 Paparella et al.
3871380 March 1975 Heros
4094303 June 13, 1978 Johnston
4168697 September 25, 1979 Cantekin
Patent History
Patent number: D276937
Type: Grant
Filed: Sep 29, 1982
Date of Patent: Dec 25, 1984
Assignee: Treace Medical, Inc. (Memphis, TN)
Inventor: Calvin C. Griggs (Memphis, TN)
Primary Examiner: Catherine E. Kemper
Law Firm: Walker & McKenzie
Application Number: 6/428,060
Current U.S. Class: D24/34