Hemodialysis system using sorbent and reservoir
First Claim
1. A hemodialysis system comprising:
- a dialyzer;
a blood circuit including a blood pump in fluid communication with the dialyzer;
a dialysate circuit including a dialysate circulation pump in fluid communication with the dialyzer, at least a portion of the dialysate circuit incorporated into a disposable dialysate cassette;
a sorbent cartridge for cleaning used dialysate flowing in the dialysate circuit;
a reservoir holding an initial supply of dialysate mixed from water and concentrate in the reservoir;
a reservoir pump in fluid communication with the dialysate circuit and the reservoir;
a supply of infusate; and
an infusate pump in fluid communication with the dialysate circuit and the supply of infusate.
1 Assignment
0 Petitions
Accused Products
Abstract
A hemodialysis system including (i) a dialyzer; (ii) a blood circuit including a blood pump in fluid communication with the dialyzer; (iii) a dialysate circuit including a dialysate circulation pump in fluid communication with the dialyzer, at least a portion of the dialysate circuit incorporated into a disposable dialysate cassette; (iv) a sorbent cartridge for cleaning used dialysate flowing in the dialysate circuit; (v) a reservoir holding an initial supply of dialysate; (vi) a reservoir pump in fluid communication with the dialysate circuit and the reservoir; (vii) a supply of infusate; and (viii) an infusate pump in fluid communication with the dialysate circuit and the supply of infusate.
-
Citations
19 Claims
-
1. A hemodialysis system comprising:
-
a dialyzer; a blood circuit including a blood pump in fluid communication with the dialyzer; a dialysate circuit including a dialysate circulation pump in fluid communication with the dialyzer, at least a portion of the dialysate circuit incorporated into a disposable dialysate cassette; a sorbent cartridge for cleaning used dialysate flowing in the dialysate circuit; a reservoir holding an initial supply of dialysate mixed from water and concentrate in the reservoir; a reservoir pump in fluid communication with the dialysate circuit and the reservoir; a supply of infusate; and an infusate pump in fluid communication with the dialysate circuit and the supply of infusate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
-
-
14. A hemodialysis system comprising:
-
a disposable cassette; a dialyzer; a blood circuit including a blood pump in fluid communication with the dialyzer; a dialysate circuit including a dialysate circulation pump in fluid communication with the dialyzer, at least a portion of the dialysate circuit provided by the disposable cassette; a sorbent cartridge for cleaning used dialysate flowing in the dialysate circuit; a dialysate reservoir receiving dialysate from the sorbent cartridge; a reservoir pump positioned and arranged to communicate dialysate from the dialysate reservoir to the dialyzer; a supply of infusate; and an infusate pump in fluid communication with the supply of infusate for supplying infusate to the dialysate circuit, the infusate pump positioned and arranged to pump infusate from the supply of infusate directly to the reservoir. - View Dependent Claims (15, 16, 17, 18)
-
-
19. A hemodialysis system comprising:
-
a disposable cassette; a dialyzer in fluid communication with the disposable cassette; a blood circuit including a blood pump in fluid communication with the dialyzer, the blood pump including a blood carrying portion provided by the disposable cassette; a dialysate circuit including a dialysate circulation pump in fluid communication with the dialyzer, the dialysate circulation pump including a dialysate fluid carrying portion provided by the disposable cassette; a sorbent cartridge for cleaning used dialysate flowing in the dialysate circuit; a reservoir holding an initial supply of dialysate mixed from water and concentrate in the reservoir, wherein the dialysate exiting the sorbent cartridge enters the reservoir; a reservoir pump in fluid communication with the dialysate circuit and the reservoir, the reservoir pump including a fluid carrying portion provided by the disposable cassette; a supply of infusate; and an infusate pump in fluid communication with the dialysate circuit and the supply of infusate.
-
Specification