Threaded screw cannula
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Description
FIG. 1 is a perspective view of a threaded screw cannula showing our new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a side elevational view thereof;
FIG. 5 is a front end elevational view thereof; and,
FIG. 6 is a back elevational view thereof.
Referenced Cited
U.S. Patent Documents
Other references
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D354810 | January 24, 1995 | Nazre |
D357534 | April 18, 1995 | Hayes |
D358645 | May 23, 1995 | Ryan et al. |
D359557 | June 20, 1995 | Hayes |
3892232 | July 1975 | Neufeld |
4450834 | May 29, 1984 | Fischer |
4450835 | May 29, 1984 | Asnis et al. |
4512344 | April 23, 1985 | Barber |
4683896 | August 4, 1987 | Herbst et al. |
4872451 | October 10, 1989 | Moore et al. |
4963144 | October 16, 1990 | Huene |
5147367 | September 15, 1992 | Ellis |
5211647 | May 18, 1993 | Schmieding |
5431651 | July 11, 1995 | Goble |
Patent History
Patent number: D398996
Type: Grant
Filed: Feb 27, 1997
Date of Patent: Sep 29, 1998
Assignee: Smith & Nephew, Inc. (Memphis, TN)
Inventors: Ricardo J. Simmons (Franklin, MA), Rebecca A. Blough (Lincoln, RI), Donald J. Fournier (North Providence, RI)
Primary Examiner: Doris Clark
Law Firm: Fish & Richardson P.C.
Application Number: 0/67,417
Type: Grant
Filed: Feb 27, 1997
Date of Patent: Sep 29, 1998
Assignee: Smith & Nephew, Inc. (Memphis, TN)
Inventors: Ricardo J. Simmons (Franklin, MA), Rebecca A. Blough (Lincoln, RI), Donald J. Fournier (North Providence, RI)
Primary Examiner: Doris Clark
Law Firm: Fish & Richardson P.C.
Application Number: 0/67,417
Classifications
Current U.S. Class:
Guide Or Gauge (D24/140);
Cutting, Abrading, Scraping Or Puncturing (31) (D24/146)
International Classification: 2402;
International Classification: 2402;