Needle-free medical connector with expandable valve...

Details Needle-free medical connector with expandable valve... Needle-free medical connector with expandable valve...

2007-07-17

2007-07-17

Thanh, Loan H. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S249000, C604S256000, C604S905000

Reexamination Certificate

active

10142635

ABSTRACT:
A needle-free medical connector includes a housing with a first port and a second port. The connector also includes a piston element defining a fluid passageway between the first and second ports. The piston element is movable between flow and non-flow positions. The piston element has an expandable section having a variable inner width and volume that forms a part of the flow path through the connector. As the piston is compressed to the flow position, the expandable section is expanded in width by movement over a flow post thereby maintaining or increasing the volume of the fluid passageway through the connector. The expandable section has a configuration permitting the continuous flow of fluid through its entirety.

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