Disposable safety needle sheath

Details Disposable safety needle sheath Disposable safety needle sheath

1984-05-11

1986-11-18

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604263, 604110, A61M 532

Patent

active

046233369

ABSTRACT:
A disposable safety needle sheath (10) has a funnel shaped receiving end (16) to protect the user's hand and guide a used needle into a sleeve (12). Retaining means (28, 30) within the sheath engage an inserted needle and a cap (18) seals the needle sheath after the used needle has been inserted and disengaged from a syringe (36). In the preferred embodiment of the invention, the retaining means comprises shoulders (28) at the open end of sleeve (12) to frictionally engage a needle hub (26), a cap (18) is mounted by a hinge to the receiving end (16), and locking means comprised of continuous annular ridge (32) and continuous annular groove (34) is provided to prevent the cap from being opened after closing.

REFERENCES:
patent: 2953243 (1960-09-01), Roehr
patent: 3021942 (1962-02-01), Hamilton
patent: 3073307 (1963-01-01), Stevens
patent: 3074542 (1963-01-01), Myerson
patent: 3294231 (1966-12-01), Vanderbeck
patent: 3329146 (1967-07-01), Waldman
patent: 3333682 (1967-08-01), Burke
patent: 3367488 (1968-02-01), Hamilton
patent: 3434473 (1969-03-01), Smith
patent: 3893608 (1975-07-01), Koenig
patent: 3934722 (1976-01-01), Goldberg
patent: 4113090 (1978-09-01), Carstens
patent: 4296786 (1981-10-01), Brignola
patent: 4332323 (1982-06-01), Reenstierna
patent: 4351433 (1982-09-01), Elisha
patent: 4375849 (1983-03-01), Hanifl
patent: 4452358 (1984-06-01), Simpson

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