Needle free medical connector with expanded valve mechanism...

Details Needle free medical connector with expanded valve mechanism... Needle free medical connector with expanded valve mechanism...

2007-12-11

2007-12-11

Keasel, Eric (Department: 3753)

Valves and valve actuation

With correlated flow path

Valve operated by joining flow path sections

C604S256000

Reexamination Certificate

active

11519740

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 a compressible section having a variable inner width that forms a part of the flow path through the connector. As the piston is compressed to the flow position, the compressible section self-expands in width thereby maintaining or increasing the volume of the fluid passageway through the connector. The compressible section has a configuration permitting the continuous flow of fluid through its entirety.

REFERENCES:
patent: 6802490 (2004-10-01), Leinsing et al.
patent: 7104520 (2006-09-01), Leinsing et al.

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