Dynamic weight balancing of flow in kidney failure treatment systems
First Claim
Patent Images
1. A kidney failure treatment system comprising:
- a dialysate supply;
a weighing device;
a control container coupled operably to the weighing device;
a diffusion membrane;
a drain;
first and second pumps;
a first fluid conduit coupled fluidly to the dialysate supply and the diffusion membrane, the first fluid conduit coupled operably to the first pump;
a second fluid conduit coupled fluidly to the control container and the drain, the second fluid conduit coupled operably to the first pump; and
a third fluid conduit coupled fluidly to the diffusion membrane and the control container, the third fluid conduit coupled operably to the second pump.
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Accused Products
Abstract
A kidney failure treatment system includes: (i) a dialysate supply; (ii) a weighing device; a control container coupled operably to the weighing device; (iii) a diffusion membrane; (iv) a drain; first and second pumps; (v) a first fluid conduit coupled fluidly to the dialysate supply and the diffusion membrane, the first fluid conduit coupled operably to the first pump; (vi) a second fluid conduit coupled fluidly to the control container and the drain, the second fluid conduit coupled operably to the first pump; and (vii) a third fluid conduit coupled fluidly to the diffusion membrane and the control conduit, the third fluid conduit coupled operably to the second pump.
54 Citations
39 Claims
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1. A kidney failure treatment system comprising:
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a dialysate supply; a weighing device; a control container coupled operably to the weighing device; a diffusion membrane; a drain; first and second pumps; a first fluid conduit coupled fluidly to the dialysate supply and the diffusion membrane, the first fluid conduit coupled operably to the first pump; a second fluid conduit coupled fluidly to the control container and the drain, the second fluid conduit coupled operably to the first pump; and a third fluid conduit coupled fluidly to the diffusion membrane and the control container, the third fluid conduit coupled operably to the second pump. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A kidney failure treatment system comprising:
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a dialysate supply; a weighing device; a control container coupled operably to the weighing device, the control container divided into fresh dialysate and spent dialysate portions; a logic implementor coupled operably to the weighing device, the logic implementor configured to maintain a desired weight of fluid in the control container; a diffusion membrane; a drain; first and second pumps; a first fluid conduit coupled fluidly to the dialysate supply and the diffusion membrane, the first fluid conduit coupled operably to the first pump; a second fluid conduit coupled fluidly to the diffusion membrane and the drain, the second fluid conduit coupled operably to the second pump; and a third fluid conduit coupled fluidly to the fresh, and spent portions of the control container, the third fluid conduit coupled operably to the first pump. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
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Specification