Shielded cannula assembly

Details Shielded cannula assembly Shielded cannula assembly

1993-03-03

1994-05-17

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604198, A61M 532

Patent

active

053123662

ABSTRACT:
The shielded cannula assembly includes a tubular shield of latex rubber which is mounted over the cannula of the assembly. The shield includes a resilient collapsible tubular portion which is able to collapse in an accordion-like manner when a longitudinal force is imposed thereon. The shield also has a cap at the distal end which seals off a chamber in which the cannula is contained in a sterile manner. The cap includes a transverse wall which may be pierced by the cannula when the cannula is passed into a vial of medication or into a connector of an administration set.

REFERENCES:
patent: 3134380 (1964-05-01), Armao
patent: 4449539 (1984-05-01), Sarstedt
patent: 4564054 (1986-01-01), Gustausson
patent: 4629453 (1986-12-01), Cooper
patent: 4695274 (1987-09-01), Fox
patent: 4725267 (1988-02-01), Vaillancourt
patent: 4735618 (1988-04-01), Hagen
patent: 5122123 (1992-06-01), Vaillancourt

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