HEMODIALYSIS SYSTEM WITH CASSETTE AND PINCH CLAMP
First Claim
1. A hemodialysis system comprising:
- blood tubing;
a peristaltic blood pump contacting the blood tubing to pump blood through the blood tubing;
a dialyzer in fluid communication with the blood tubing;
first and second peristaltic dialysate pumps;
a dialysate heater;
a plurality of pinch valves; and
a cassette including a rigid structure, a heating portion, first and second dialysate pumping tubes, and a plurality of incoming tubes, the rigid structure when the cassette is mounted for operation orienting (i) the heating portion adjacent to the dialysate heater so that dialysate can be heated by the dialysate heater, (ii) the first and second dialysate pumping tubes adjacent to the first and second peristaltic dialysate pumps, and (iii) the plurality of incoming tubes adjacent to the plurality of pinch valves to enable the tubes to be individually closed by the pinch valves.
1 Assignment
0 Petitions
Accused Products
Abstract
A hemodialysis system includes (i) blood tubing; (ii) a peristaltic blood pump contacting the blood tubing to pump blood through the blood tubing; (iii) a dialyzer in fluid communication with the blood tubing; (iv) first and second peristaltic dialysate pumps; (v) a dialysate heater; (vi) a plurality of pinch valves; and (vii) a cassette including a rigid structure, a heating portion, first and second dialysate pumping tubes, and a plurality of incoming tubes, the rigid structure when the cassette is mounted for operation orienting (a) the heating portion adjacent to the dialysate heater so that dialysate can be heated by the dialysate heater, (b) the first and second dialysate pumping tubes adjacent to the first and second peristaltic dialysate pumps, and (c) the plurality of incoming tubes adjacent to the plurality of pinch valves to enable the tubes to be individually closed by the pinch valves.
-
Citations
20 Claims
-
1. A hemodialysis system comprising:
-
blood tubing; a peristaltic blood pump contacting the blood tubing to pump blood through the blood tubing; a dialyzer in fluid communication with the blood tubing; first and second peristaltic dialysate pumps; a dialysate heater; a plurality of pinch valves; and a cassette including a rigid structure, a heating portion, first and second dialysate pumping tubes, and a plurality of incoming tubes, the rigid structure when the cassette is mounted for operation orienting (i) the heating portion adjacent to the dialysate heater so that dialysate can be heated by the dialysate heater, (ii) the first and second dialysate pumping tubes adjacent to the first and second peristaltic dialysate pumps, and (iii) the plurality of incoming tubes adjacent to the plurality of pinch valves to enable the tubes to be individually closed by the pinch valves. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13)
-
-
11. The hemodialysis system of claim 11, wherein the at least two pinch valves are cam driven by a common camshaft.
-
14. A hemodialysis system comprising:
-
first and second peristaltic dialysate pumps; a dialysate heater; a plurality of pinch valves; and a cassette including a rigid structure, the rigid structure supporting a heating portion, first and second dialysate pumping tubes; and a plurality of inlet tubes arranged in a row along a side of the rigid structure, and wherein the rigid structure when the cassette is mounted for operation orients (i) the heating portion adjacent to the dialysate heater so that dialysate can be heated by the dialysate heater, (ii) the first and second dialysate pumping tubes adjacent to the first and second peristaltic dialysate pumps, and (iii) the row of incoming tubes adjacent to the plurality of pinch valves to enable the incoming tubes to be individually closed by the pinch valves. - View Dependent Claims (15, 16, 17, 18)
-
-
19. A method for enabling a treatment to be setup on a hemodialysis machine, the method comprising:
-
enabling the machine to accept a dialysate cassette, wherein a plurality of tubes are joined with a side of the cassette; spacing the joined tubes so as to each be located adjacent to one of a plurality of pinch valves provided by the hemodialysis machine upon accepting the dialysate cassette; and causing the plurality of pinch valves to be able to individually open and close the joined tubes when the hemodialysis machine accepts the dialysate cassette. - View Dependent Claims (20)
-
Specification