Self-sealing connector for use with plastic cannulas and vessel

Details Self-sealing connector for use with plastic cannulas and vessel Self-sealing connector for use with plastic cannulas and vessel

1981-07-16

1983-06-14

Truluck, Dalton L.

Valves and valve actuation

With correlated flow path

Valve operated by joining flow path sections

137846, 604247, 604249, F16K 3728

Patent

active

043878792

ABSTRACT:
A connector which is adapted to be connected to a plastic cannula or a vein catheter comprises a tubular and/or conical portion that is adapted to be tightly joined to a parenteral solution supply needle and/or to a hose provided with a cone fitting. To ensure that a metal cannula or a vessel catheter can be pushed through the connector without obstruction and that the connector closes automatically as soon as the metal cannula or the catheter or the cone fitting of a supply hose has been pulled from the connector, the body of the latter is provided with a receptable, which is radial with respect to the flow passage, and a disc consisting of elastomeric material and having a central slit is held in said receptacle and blocks the flow passage.

REFERENCES:
patent: 962027 (1910-06-01), Kennedy
patent: 3570484 (1971-03-01), Steer
patent: 3601151 (1971-08-01), Winnard
patent: 3620500 (1971-11-01), Santomieri
patent: 3848579 (1974-11-01), Villa-Real
patent: 4143853 (1979-03-01), Abramson

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