Pull-apart sheath introducer for percutaneous catheter introduction


FIG. 1 is a front perspective view of a pull-apart sheath introducer for percutaneous catheter introduction, showing my new design;

FIG. 2 is an enlarged front elevational view thereof, the rear elevational view being identical thereto;

FIG. 3 is a side elevational view thereof, the opposite side being identical thereto;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
RE31855 March 26, 1985 Osborne
3739778 June 1973 Monestere, Jr. et al.
4318401 March 9, 1982 Zimmerman
4596559 June 24, 1986 Fleischhacker
4629450 December 16, 1986 Suzuki et al.
4634432 January 6, 1987 Kocak
Patent History
Patent number: D318733
Type: Grant
Filed: Mar 24, 1988
Date of Patent: Jul 30, 1991
Assignee: Quinton Instrument Company (Seattle, WA)
Inventor: Mark H. Wyzgala (Bellevue, WA)
Primary Examiner: Stella Reid
Attorneys: Andrew J. Beck, Montgomery W. Smith, Curtis D. Kinghorn
Application Number: 7/172,351