Patent · US Active

Medical fluid circuit comprising a low level detector 1

US8394321B2 · kind B2 · utility

8Cited by

7References

17Claims

0Family size

Assignee

GAMBRO LUNDIA AB · SE

Inventors

Giuseppe Franzoni · Sassuolo, IT
Luca Caleffi · Carpi, IT
Ranko Sakota · Giugliano in Campania, IT

Key dates

Filing date	Apr 27, 2009
Grant date	Mar 12, 2013
Priority date	—
Expiry date	Sep 2, 2029

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2205/3393
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

In an infusion circuit (1), a peristaltic pump (7) displaced the infusion fluid along a line (3), sourcing it from a batch container (2). When a weight sensor (5) detects an emptying of the batch container (2), the pump is halted. If on stopping the pump the pressure measured by a sensor (6) operating in an expansion chamber (4) does not drop in excess of a predetermined threshold with respect to a non-empty container (2), a non-secure situation is signalled, due to an excessive quantity of air in the expansion chamber.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.