Medical fluid cassettes and related systems and methods
First Claim
Patent Images
1. A medical fluid delivery method, comprising:
- drawing medical fluid into a fluid pump chamber defined between a membrane and a rigid base of a medical fluid cassette by applying an outward force to an inner surface of a portion of the membrane overlying the fluid pump chamber in an absence of an outward force on an outer surface of the portion of the membrane overlying the fluid pump chamber, wherein the outward force is applied to the membrane by a member disposed in the fluid pump chamber.
1 Assignment
0 Petitions
Accused Products
Abstract
A medical fluid delivery cassette configured for use with a medical fluid pumping system and related systems and methods. The medical fluid delivery cassette includes a base and a membrane that together define a fluid pump chamber. The medical fluid delivery cassette further includes a member configured to apply an outward force to an inner surface of the membrane.
533 Citations
21 Claims
-
1. A medical fluid delivery method, comprising:
drawing medical fluid into a fluid pump chamber defined between a membrane and a rigid base of a medical fluid cassette by applying an outward force to an inner surface of a portion of the membrane overlying the fluid pump chamber in an absence of an outward force on an outer surface of the portion of the membrane overlying the fluid pump chamber, wherein the outward force is applied to the membrane by a member disposed in the fluid pump chamber. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
Specification