Transcutaneous electrical nerve stimulator

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Description

FIG. 1 is a top, front and side perspective view of a transcutaneous electrical nerve stimulator, showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a side elevational view thereof, opposite that shown in FIG. 3;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a top, front and side perspective view of a second embodiment of the transcutaneous electrical nerve stimulator;

FIG. 9 is a rear elevational view thereof;

FIG. 10 is a side elevational view thereof;

FIG. 11 is a front elevational view thereof;

FIG. 12 is a side elevational view thereof, opposite that shown in FIG. 10;

FIG. 13 is a top plan view thereof; and

FIG. 14 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D246173 October 25, 1977 Levin
D254934 May 6, 1980 Walus
D256394 August 12, 1980 Walus et al.
D261551 October 27, 1981 Boroda
D261552 October 27, 1981 Boroda
D297168 August 9, 1988 Ioffe et al.
D303430 September 12, 1989 Studer, Jr. et al.
4121594 October 24, 1978 Miller et al.
4147171 April 3, 1979 Green et al.
4759368 July 26, 1988 Stanton et al.
Other references
  • Brochure of Neuromedics, Inc. for UltraStim Stimulator, .COPYRGT.1984. Brochure of Empi, Inc. for EPIX, Publication No. 053083, .COPYRGT.1983.
Patent History
Patent number: D319881
Type: Grant
Filed: Mar 2, 1989
Date of Patent: Sep 10, 1991
Assignee: Empi, Inc. (St. Paul, MN)
Inventors: David Zuppan (New Brighton, MN), Zosim Ioffe (St. Paul, MN)
Primary Examiner: Stella Reid
Law Firm: Kinney & Lange
Application Number: 7/317,789