Pipes and tubular conduits – With closures and plugs – Inflation stem type
Patent
1979-09-11
1981-10-20
Callaghan, Thomas F.
Pipes and tubular conduits
With closures and plugs
Inflation stem type
138109, 128214D, 220266, 285 4, 285DIG2, F16L 5510
Patent
active
042954959
ABSTRACT:
A connection nipple for providing fluid communication with the interior of the container, such as for example a blood bag or the like. The connection nipple comprises a hollow tubular member having a first end which is adapted to be sealingly inserted within the blood bag and a second open end disposed externally of the blood bag. A circumferential rib member is provided circumferentially about the hollow tubular member intermediate the first and second ends. The circumferential rib has a cross-section which tapers substantially to a point to define a connection line about the circumference of the hollow tubular member. A releasable sealing sleeve member is integrally connected to the hollow tubular member in the vicinity of the connection line, and sealing surrounds and completely encloses the second open end of the tubular member to thereby prevent fluid communication with the interior of the blood bag through the second open end. The releasable sealing sleeve member is adapted to be disconnected from the hollow tubular member to expose the second end of the hollow tubular member by twisting of the sleeve member relative to the tubular member to cause the sleeve to break along the connection line.
REFERENCES:
patent: 2724867 (1955-11-01), Smith
patent: 3083858 (1963-04-01), Biedenstein
patent: 3327709 (1967-06-01), Nehring et al.
patent: 3368560 (1968-02-01), Gewecke
patent: 3470893 (1969-10-01), Nelson
patent: 3509879 (1970-05-01), Bathish et al.
patent: 3664338 (1972-05-01), Knox et al.
patent: 3994412 (1976-11-01), Difiglio
Killmaier Horst
Rosemeier Friedrich
Callaghan Thomas F.
Gambro Dialysatoren GmbH & Co. KG.
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