Patent · US Active

Dialysis systems having air separation chambers with internal structures to enhance air removal

US7871462B2 · kind B2 · utility

10Cited by

151References

8Claims

0Family size

Assignees

Baxter International Inc. · US
Baxter Healthcare SA · CH

Inventors

Atif M. Yardimci · Vernon Hills, US
James C. Laird · Grayslake, US

Key dates

Filing date	Oct 1, 2007
Grant date	Jan 18, 2011
Priority date	—
Expiry date	May 6, 2029

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2205/12
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A dialysis fluid cassette includes a rigid portion defining at least one valve chamber, the rigid portion further defining an air separation chamber, the air separation chamber when in an operating position including an inner surface, a fluid inlet and a fluid outlet and configured to cause a dialysis fluid to spiral around the inner surface toward the fluid outlet, such that air is removed from the dialysis fluid.

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