Middle ear ventilation tube

Description

FIG. 1 is a top perspective view of a middle ear ventilation tube embodying the new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a perspective view taken in the direction of the arrow 5 of FIG. 3;

FIG. 6 is a top perspective view of a second embodiment of a middle ear ventilation tube embodying the new design;

FIG. 7 is an enlarged bottom perspective view of the embodiment of FIG. 5; and

FIG. 8 is a side elevational view of the embodiment of FIG. 5.

The front elevational view of FIG. 4 and the perspective view of FIG. 5 are also illustrative of the embodiment of FIGS. 6-8.

Claims

The ornamental design for a middle ear ventilation tube, substantially as shown and described.

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Inventors:	Armstrong; Beverly W. (Charlotte, NC)
Appl. No.:	06/422,860
Filed:	September 24, 1982

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Current U.S. Class:	D24/173
Field of Search:	;D24/8,34,35,53,54,59,67 ;128/1R,151,305,152 ;604/264,280,281,282 ;181/130,134,135

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References Cited [Referenced By]

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U.S. Patent Documents

D224672	August 1972	Geraci
D239330	March 1976	Shea, Jr.
886790	May 1908	Frank
3530860	September 1970	Majoros
3645268	February 1972	Capote
3807409	April 1974	Paparella et al.
3871380	March 1975	Heros
3888258	June 1975	Akiyama
3913584	October 1975	Walchle et al.
3916873	November 1975	Wasserman
3976081	August 1976	Lapidot
3982545	September 1976	Silverstein
4015607	April 1977	Wright
4094303	June 1978	Johnston
4168697	September 1979	Cantekin
4174716	November 1979	Treace
4326512	April 1982	Peerless

Other References

Richards Microsurgery Catalog Price List No. 1584, Oct. 1, 1982, pp. 3-16.1. . American V. Mueller, Catalog No. 80, p. 680. . Xomed Inc. Catalog, pp. 4-10, 1979..

Primary Examiner: Lucas; Susan J.
Attorney, Agent or Firm: Bell, Seltzer, Park & Gibson