Dual-chamber liquid receiving and containing device

Details Dual-chamber liquid receiving and containing device Dual-chamber liquid receiving and containing device

2007-02-06

2007-02-06

Hindenburg, Max F. (Department: 3736)

Surgery

Diagnostic testing

Liquid collection

C604S324000

Reexamination Certificate

active

10846443

ABSTRACT:
A dual-chamber device for receiving and containing a liquid, particularly urine, employs a generally cylindrical body having a detachable top cover and an internal, transverse, funnel-shaped wall. The transverse wall has a central circular orifice and divides the body into lower and upper chambers for respectively receiving and retaining fore-stream and mid-stream urine liquid samples. A floatable orifice stopper in the lower chamber is responsive to fore-stream liquid filling the lower chamber to a predetermined level for closing the orifice, so that subsequent, mid-stream urine liquid is received into the upper chamber. A bottom cover has an upstanding stopper pushing column and a flexible, spring-like, annular web around a bottom cover pedestal region.

REFERENCES:
patent: 3982898 (1976-09-01), McDonald
patent: 4494581 (1985-01-01), Gordon
patent: 4559049 (1985-12-01), Haan
patent: 4573983 (1986-03-01), Annis
patent: 4769215 (1988-09-01), Ehrenkranz
patent: 5105824 (1992-04-01), Rasch
patent: 5711310 (1998-01-01), Vinayagamoorthy et al.

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