Medical instrument for analyzing the middle ear

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Description

FIG. 1 is a top, back and right side perspective view of a medical instrument for analyzing the middle ear showing the design;

FIG. 2 is a back elevational view;

FIG. 3 is front elevational view;

FIG. 4 is a right side elevational view, the left side elevational view being mirror image thereto;

FIG. 5 is a top elevational view; and,

FIG. 6 is a bottom elevational view, thereof.

This medical instrument is used to analyze an ear for middle ear pathologies, and is called an acoustic reflectometer. The design also may be applied to other articles such as radiation thermometers, otoscopes, tympanometers, audiometers and other medical instruments.

The characteristic feature of the design resides in the combination of a cylindrical head piece and a handle having a flat front and ridged grip.

The broken line showing of the control panel and removable tip are for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D238099 December 1975 Pulos
4567881 February 4, 1986 Heller
4688582 August 25, 1987 Heller et al.
5738633 April 14, 1998 Christiansen
Patent History
Patent number: D408914
Type: Grant
Filed: Nov 24, 1997
Date of Patent: Apr 27, 1999
Assignee: MDI Instruments, Inc. (Woburn, MA)
Inventors: Sandra Kimball (Boston, MA), Thomas E. Devlin (Somerville, MA)
Primary Examiner: Stella Reid
Assistant Examiner: I Simmons
Law Firm: Wolf, Greenfield & Sacks, P.C.
Application Number: 0/79,782
Classifications
Current U.S. Class: Auricular (D24/151); Auricular (45) (D24/173)
International Classification: 2402;