Protective sheath structure for a catheter assembly

Details Protective sheath structure for a catheter assembly Protective sheath structure for a catheter assembly

1983-10-24

1986-03-04

Pellegrino, Stephen C.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604192, A61M 500

Patent

active

045739811

ABSTRACT:
A protective sheath structure of the type primarily designed to be selectively positioned and removed from a surrounding, protective and substantially enclosing position relative to the cannula portion of a catheter assembly. Selective engagement and disengagement of the sheath structure is accomplished through activation of a locking structure including a pair of oppositely disposed finger elements pivotally disposed to selectively engage and disengage correspondingly positioned flange structure on the base of the catheter assembly. Positioning ribs on the interior of the sheath body provides substantial centering of the cannula within the interior of the sheath.

REFERENCES:
patent: 3225763 (1965-12-01), Waterman
patent: 3677247 (1972-07-01), Brown
patent: 4139010 (1979-02-01), Dykstra
patent: 4334536 (1982-06-01), Pfleger
patent: 4362156 (1982-12-01), Feller, Jr. et al.
patent: 4468223 (1984-08-01), Minagawa
patent: 4500312 (1985-02-01), McFarlane

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