Handpiece housing for a surgical drill, reamer, sagittal saw, or the like

- Stryker Corporation
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Description

FIG. 1 is a perspective view of a handpiece housing for a surgical drill, reamer, sagittal saw or the like showing our new design, the broken lines showing a power tool support and trigger being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is an enlarged front elevational view thereof;

FIG. 3 is an enlarged rear elevational view thereof;

FIG. 4 is an enlarged left side elevational view thereof;

FIG. 5 is an enlarged top plan view thereof; and,

FIG. 6 is an enlarged bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D262489 December 29, 1981 House, II
D262572 January 5, 1982 Rogers
D269588 July 5, 1983 Ludwig
D271521 November 22, 1983 Ryan et al.
D282779 February 25, 1986 Reil
D288769 March 17, 1987 Doman
4858811 August 22, 1989 Brosius et al.
Other references
  • Zimmer, 1981; p. C15-Celsotome.TM. Bone Cement Drill. Polaroid Photograph (FIG. 1) showing comparison between present invention and a Prior Art Handpiece Marketed in the U.S. at least as early as 1983. Copy of Catalog "System II OrthoPower 90 Battery Powered Instruments" (4 pages numbered 5-8) showing the same Prior Art Handpiece, Specifically System II Handpiece Models 298-92, 298-94, 298-96, 298-98, 298-100, 298-102, 298-104.
Patent History
Patent number: D329092
Type: Grant
Filed: Feb 14, 1990
Date of Patent: Sep 1, 1992
Assignee: Stryker Corporation (Kalamazoo, MI)
Inventors: Steven J. Carusillo (Kalamazoo, MI), Kris D. Eager (Richland, MI), David H. Grulke (Battle Creek, MI)
Primary Examiner: A. Hugo Word
Assistant Examiner: Celia A. Murphy
Law Firm: Flynn, Thiel, Boutell & Tanis
Application Number: 7/480,079
Classifications
Current U.S. Class: Cutting, Abrading, Scraping Or Puncturing (31) (D24/146); D 8/68; D/8107