Combined epidural introducer and spinal needle

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Description

FIG. 1 is a perspective view of a combined epidural introducer and spinal needle showing my new design;

FIG. 2 is a rear end elevational view thereof;

FIG. 3 is a front end elevational view thereof;

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

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D269549 June 28, 1983 Gross
3399674 April 1963 Pannier et al.
4808157 February 28, 1989 Coombs
4935008 June 19, 1990 Lewis, Jr.
4958901 September 25, 1990 Coombs
5012818 May 7, 1991 Juishy
Patent History
Patent number: D353454
Type: Grant
Filed: Oct 15, 1992
Date of Patent: Dec 13, 1994
Assignee: Neurodelivery Technology, Inc. (Lebanon, NH)
Inventor: Dennis W. Coombs (Etna, NH)
Primary Examiner: A. Hugo Word
Assistant Examiner: I. Simmons
Attorney: Michael J. Weins
Application Number: 0/491