US 5,341,692 AGranted

Device for taking, preserving and transporting a fluid sample for analysis

AssigneeNorton Company

InventorsSamuel E. Sher, Stephen A. Borgianini, Robert E. Carpenter, Scott Santora, William S. Scavuzzo

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Abstract

A device made of non-contaminating inert material for taking and preserving a fluid sample containing volatile substances for analysis having a tubular body with gas tight valves at opposite end portions which are opened to allow fluid to pass into and out of a chamber and closed to seal off the escape of and preserve a fluid sample therein during transfer to a laboratory for analysis. Opposite end portions of the tubular body are adapted for attachment of a lower one-way inlet check valve unit and an upper outlet extension unit thereto used with a supporting line or rod to lower and raise the device into and out of a body of fluid and thereby take a fluid sample thereof for analysis. Closing of the valves traps fluid and seals off the sample taken into the chamber between the valves and is removed therefrom by piercing a septum located adjacent the chamber and between the valves by suitable means including a hypodermic needle.

Claims15

Dependent claims

A device for taking a preserving a fluid sample for analysis comprising:

a tubular body including an outer wall extending around an inner chamber;
opposite inlet and outlet end portions sealingly attached to and extending from opposite ends of the outer wall and having inlet and outlet passages extending therethrough to the inner chamber;
gas tight valve means in the inlet and outlet end portions for selectively allowing and preventing the flow of fluid through the inlet and outlet passages and into and out of the inner chamber;
an access passage into the inner chamber positioned in between the gas tight valve means;
seal means including a self sealing septum adjacent the inner chamber for sealing off the access passage to the inner chamber and which functions as a port for withdrawing a sample of the fluid sealed within the inner chamber for analysis by means of sealably inserting a hypodermic needle of any suitable device through the septum;
and
fastening means on both the inlet and outlet end portions for selectively connecting additional attachments or adapters and another of the said device thereto.

4 more elements

Dependencies are inferred from the claim text.