Luer valve adapter with expandable end

Details Luer valve adapter with expandable end Luer valve adapter with expandable end

1993-07-15

1994-02-08

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604283, 251150, 251342, A61M 500, F16K 5100

Patent

active

052844757

ABSTRACT:
A tubular adapter and check valve for Luer fittings. The end of the adapter that receives the Luer fitting is expandable radially outwardly in a substantially uniform manner so that Luer fittings of all sizes are snugly received by the adapter. Deep longitudinally extending grooves are formed in the adapter to provide the expandability. The adapter, when in repose, is designed to tightly receive the smallest in diameter Luer fittings, but it receives even the largest Luer fittings when in its expanded configuration. The adapter is also improved by providing radially inwardly extending fingers that hold a check valve in the adapter against axial displacement and by providing an annular shoulder that limits the depth of insertion of the Luer fitting into the adapter, which shoulder prevents over distortion of the check valve.

REFERENCES:
patent: 3831629 (1974-08-01), Mackal et al.
patent: 4135501 (1979-01-01), Leunissan
patent: 4240425 (1980-12-01), Akhai
patent: 4429856 (1984-02-01), Jackson
patent: 4449693 (1984-05-01), Gereg

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