Vascular tunneler
Description
FIG. 1 is a top plan view of a vascular tunneler in a fully assembled condition, showing my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is an end elevation as seen in the direction of line 3--3 of FIG. 1;
FIG. 4 is a longitudinal cross-sectional view taken on line 4--4 of FIG. 3;
FIG. 5 is a top plan view of the outer casing of the instrument, shown separately for clarity of illustration; and
FIG. 6 is a top plan view of the inner portion of the instrument shown separately for clarity of illustration.
Referenced Cited
U.S. Patent Documents
D235173 | May 1975 | Boone |
D241278 | August 1976 | McNeil et al. |
D245451 | August 16, 1977 | Wortley |
D248969 | August 15, 1978 | Hodge |
2856934 | October 1958 | Petillo |
3385300 | May 1968 | Holter |
3999551 | December 28, 1976 | Spitz et al. |
4134405 | January 16, 1979 | Smit |
4252131 | February 24, 1981 | Hon |
4315509 | February 16, 1982 | Smit |
Patent History
Patent number: D275519
Type: Grant
Filed: Jun 29, 1983
Date of Patent: Sep 11, 1984
Inventor: Hisham I. Ismail (Heliopolis, Cairo)
Primary Examiner: Bernard Ansher
Law Firm: Reising, Ethington, Barnard, Perry & Milton
Application Number: 6/509,060
Type: Grant
Filed: Jun 29, 1983
Date of Patent: Sep 11, 1984
Inventor: Hisham I. Ismail (Heliopolis, Cairo)
Primary Examiner: Bernard Ansher
Law Firm: Reising, Ethington, Barnard, Perry & Milton
Application Number: 6/509,060
Classifications
Current U.S. Class:
D24/54;
D24/99