Pumping Cassette
First Claim
Patent Images
1. A pumping cassette comprising:
- a housing having at least one fluid port and at least one air vent port wherein said air vent post vents a fluid source outside said housing; and
at least one reciprocating pressure displacement membrane pump within said housing wherein said pump pumps a fluid.
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Accused Products
Abstract
A pumping cassette, the cassette includes a housing. The housing includes at least one fluid port and at least one air vent port. The air vent port vents a fluid source outside the housing. The pumping cassette also includes at least one reciprocating pressure displacement membrane pump within the housing. The pump pumps fluid.
190 Citations
19 Claims
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1. A pumping cassette comprising:
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a housing having at least one fluid port and at least one air vent port wherein said air vent post vents a fluid source outside said housing; and at least one reciprocating pressure displacement membrane pump within said housing wherein said pump pumps a fluid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A pumping cassette comprising:
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a housing having at least one source fluid inlet fluid path, at least one source reservoir vent fluid path and at least one source fluid outlet path; and at least one reciprocating pressure displacement membrane pump within said housing wherein said pump pumps source fluid from a source tank outside said housing and through said source fluid inlet fluid path; and at least one valve comprising a valve housing having a membrane, said membrane dividing said valve housing into two chambers, a fluid chamber and an actuation chamber. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification