09039395 is referenced by 7 patents and cites 148 patents.

The present invention involves, in some embodiments, systems and methods involving fluid handling apparatus for pumping fluid to and from a patient, which may include a reusable component and a disposable pumping cartridge. The reusable component may comprise a control chamber and a pressure transducer configured to measure a gas pressure associated with the control chamber, as well as a processor. The processor may be configured to supply the control chamber with a gas at a predetermined pressure, monitor the gas pressure associated within the control chamber with the pressure transducer over a predetermined period of time, and determine if the change in gas pressure associated within the control chamber exceeds a maximum allowable predetermined limit.

Title
System, method, and apparatus for utilizing a pumping cassette
Application Number
14/294122
Publication Number
9039395 (B2)
Application Date
June 2, 2014
Publication Date
May 26, 2015
Inventor
Geoffrey P Spencer
Manchester
NH, US
Robert J Bryant Jr
Manchester
NH, US
Larry B Gray
Merrimack
NH, US
Agent
Wolf Greenfield & Sacks P C
Assignee
DEKA Products Partnership
NH, US
IPC
A61M 39/22
A61M 5/145
A61M 5/14
G05D 16/20
G01M 3/32
A61M 5/172
A61M 1/36
G01M 3/26
A61M 1/16
F04B 45/00
F04B 49/06
F04B 43/067
A61M 5/142
F04B 45/06
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