Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1990-08-27
1992-12-01
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604 86, 604 88, 604244, 604411, A61M 500
Patent
active
051676427
ABSTRACT:
The present invention provides a sheath for at least removably covering the blunt end of the cannula. The sheath allows the cannula to be presterilized and utilized without subsequent sterilization. The sheath comprises a body member defining an interior for receiving at least a portion of the blunt cannula, the body member including a first end and a second end, the second end having an opening for receiving at least a portion of the cannula. The first end including a wall member so constructed and arranged as to rip upon the exertion of a sufficient perpendicular force by an end of the blunt cannula. The body also includes side walls extending between the first and second end, the side walls are so constructed and arranged so as to slide back along the cannula toward the second end upon the tearing of the first end by the cannula and the application of a sufficient force upon the side walls.
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patent: 3886930 (1975-06-01), Ryan
patent: 4197848 (1980-04-01), Garrett et al.
patent: 4200100 (1980-04-01), Willis
patent: 4416290 (1983-11-01), Lutkowski
patent: 4449539 (1984-05-01), Sarstedt
patent: 4564054 (1986-01-01), Gustavsson
patent: 4804366 (1989-02-01), Zdeb et al.
patent: 4846809 (1989-07-01), Sims
patent: 4850978 (1989-07-01), Dudar et al.
patent: 4998921 (1991-03-01), Vickroy et al.
Webster's II New Riverside University Dictionary, 1984, p. 169.
Baxter International Inc.
Flattery Paul C.
Gutowski Anthony
Rockwell Amy L. H.
Schaafsma Paul E.
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