Sheathed syringe

Details Sheathed syringe Sheathed syringe

1986-12-31

1988-02-09

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604263, A61M 532

Patent

active

047239433

ABSTRACT:
A syringe with a body and a needle at one end and an injection plunger movable into the body at the opposite end. A guide lug is fixed on the syringe body near the needle end. A sheath is positioned over the syringe body with a longitudinal groove that engages the guide lug. The sheath is movable with respect to the syringe body and guided by the lug so that it can selectively cover or expose the needle while not impeding use of the syringe.

REFERENCES:
patent: 2571653 (1951-10-01), Bastien
patent: 3890971 (1975-06-01), Leeson et al.
patent: 4425120 (1984-01-01), Sampson et al.

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