Renal failure therapy machines and methods including conductive and convective clearance
First Claim
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1. A renal failure therapy method comprising:
- (a) causing therapy fluid to flow to a renal failure therapy filter;
(b) restricting flow to cause the therapy fluid to be pressed through a membrane of the renal failure therapy filter into an extracorporeal circuit so that at least twenty-five percent of the therapy fluid to the renal failure therapy filter performs convective clearance; and
(c) using the renal failure therapy filter to cause at least a substantial amount of the remaining therapy fluid to perform diffusive clearance.
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Abstract
A renal failure therapy method includes causing therapy fluid to flow to a renal failure therapy filter, directing at least twenty-five percent of the therapy fluid to the renal failure therapy filter to perform conductive clearance, and using the renal therapy failure filter to cause at least a substantial amount of the remaining therapy fluid to perform diffusive clearance.
167 Citations
20 Claims
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1. A renal failure therapy method comprising:
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(a) causing therapy fluid to flow to a renal failure therapy filter; (b) restricting flow to cause the therapy fluid to be pressed through a membrane of the renal failure therapy filter into an extracorporeal circuit so that at least twenty-five percent of the therapy fluid to the renal failure therapy filter performs convective clearance; and (c) using the renal failure therapy filter to cause at least a substantial amount of the remaining therapy fluid to perform diffusive clearance. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A renal failure therapy method comprising:
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(a) using a disposable cassette to deliver therapy fluid to a filter; (b) restricting flow to cause the therapy fluid to be pressed through a membrane of the filter into an extracorporeal circuit so that at least ten percent of the therapy fluid to the filter performs convective clearance; and (c) enabling at least a substantial amount of the remaining therapy fluid at the filter to perform diffusive clearance. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A renal failure therapy machine comprising:
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a blood cleaning filter; a dialysate pump in communication with the blood cleaning filter; a flow restrictor in fluid communication with the blood cleaning filter and the dialysate pump; and a controller configured to activate the flow restrictor to cause therapy fluid traveling from the dialysate pump to the blood cleaning filter to be pressurized so that at least twenty-five percent of the therapy fluid performs convective clearance and at least a substantial amount of the remaining therapy fluid performs diffusive clearance. - View Dependent Claims (18, 19, 20)
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Specification