Positive flow needleless connector

Details Positive flow needleless connector Positive flow needleless connector

2006-05-02

2006-05-02

Thanh, Loan H. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S905000

Reexamination Certificate

active

07037302

ABSTRACT:
The positive flow needleless connector has a cannula slideably mounted within a tubular housing. A sleeve-like septum seals the cannula from an outside environment while also sealing an internal chamber of the cannula from a flow path in a male luer housing. Movement of the cannula from an extended position to a retracted position against the force of a spring exposes a second inlet of the cannula to the flow path of the male luer housing to permit flow therebetween. During disconnect, the inlet from the cannula is sealed prior to the cannula returning the extended position. This allows fluid to move from a reservoir between the cannula and septum to move into the passage of the male luer housing.

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patent: 6113068 (2000-09-01), Ryan
patent: 6299131 (2001-10-01), Ryan

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