Trocar
Latest Minnesota Mining and Manufacturing Company Patents:
Description
FIG. 1 is a perspective view of a trocar showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a back view thereof; and,
FIG. 7 is a front view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
1527291 | February 1925 | Zorraquin |
2001638 | May 1935 | Tornsjo |
2623521 | December 1952 | Shaw |
2630803 | March 1953 | Baran |
3713447 | January 1973 | Adair |
3774604 | November 1973 | Danielsson |
3789852 | February 1974 | Kim et al. |
4168699 | September 25, 1979 | Hauser |
4177814 | December 11, 1979 | Knepshield et al. |
4190048 | February 26, 1980 | Sampson |
4403617 | September 13, 1983 | Tretinyak |
4431426 | February 14, 1984 | Groshong et al. |
4535773 | August 20, 1985 | Yoon |
4601710 | July 22, 1986 | Moll |
4617929 | October 21, 1986 | Gill |
4617933 | October 21, 1986 | Hasson |
4654030 | March 31, 1987 | Moll et al. |
4747831 | May 31, 1988 | Kulli |
4808168 | February 28, 1989 | Warring |
4813426 | March 21, 1989 | Haber et al. |
4902280 | February 20, 1990 | Lander |
4906236 | March 6, 1990 | Alberts et al. |
4922602 | May 8, 1990 | Mehl |
4931042 | June 5, 1990 | Holmes et al. |
4952207 | August 28, 1990 | Lemieux |
4955870 | September 11, 1990 | Ridderheim et al. |
5030206 | July 9, 1991 | Lander |
5057082 | October 15, 1991 | Burchette, Jr. |
5066288 | November 19, 1991 | Deniega et al. |
5104382 | April 14, 1992 | Bringerhoff et al. |
5114407 | May 19, 1992 | Burbank |
5116353 | May 26, 1992 | Green |
5152754 | October 6, 1992 | Plyley et al. |
5158552 | October 27, 1992 | Borgia et al. |
5226891 | July 13, 1993 | Bushatz et al. |
5246425 | September 21, 1993 | Hunsberger et al. |
5256149 | October 26, 1993 | Banik et al. |
5290243 | March 1, 1994 | Chodorow et al. |
5290304 | March 1, 1994 | Storace |
5295993 | March 22, 1994 | Green |
0135364 | March 1985 | EPX |
0265193 | April 1988 | EPX |
0479130 | April 1992 | EPX |
0494520 | July 1992 | EPX |
921554 | April 1982 | SUX |
- "The Source of Laparoscopic Innovation", by Origin Medsystems, Inc., four (4) pages, 1992.
Patent History
Patent number: D349574
Type: Grant
Filed: Oct 9, 1992
Date of Patent: Aug 9, 1994
Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN)
Inventors: Gerald L. Metcalf (Burnsville, MN), Alan K. Plyley (Santa Barbara, CA), John M. Barker (Ventura, CA)
Primary Examiner: A. Hugo Word
Assistant Examiner: I. Simmons
Attorneys: Gary L. Griswold, Walter N. Kirn, Jeffrey J. Hohenshell
Application Number: 0/350
Type: Grant
Filed: Oct 9, 1992
Date of Patent: Aug 9, 1994
Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN)
Inventors: Gerald L. Metcalf (Burnsville, MN), Alan K. Plyley (Santa Barbara, CA), John M. Barker (Ventura, CA)
Primary Examiner: A. Hugo Word
Assistant Examiner: I. Simmons
Attorneys: Gary L. Griswold, Walter N. Kirn, Jeffrey J. Hohenshell
Application Number: 0/350
Classifications
Current U.S. Class:
Cutting, Abrading, Scraping Or Puncturing (31) (D24/146);
Manually Driven (32) (D24/147)