Dialysis system and methods
First Claim
1. A method of priming a tubing set and a dialyzer of a dialysis system, comprising the steps of:
- operating a blood pump of the dialysis system in a reverse operating mode to flow saline in a reverse direction from a saline source, into the tubing set, into a venous drip chamber, and out of the venous drip chamber, before flowing saline into a blood-side of the dialyzer, to remove air from the tubing set and the blood-side of the dialyzer; and
operating the blood pump in a forward operating mode to flow saline in a forward direction opposite to the reverse direction, into the blood-side of the dialyzer, and out of the blood-side of the dialyzer, before flowing saline into the venous drip chamber.
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Accused Products
Abstract
Dialysis systems and methods are described which can include a number of features. The dialysis systems described can be to provide dialysis therapy to a patient in the comfort of their own home. The dialysis system can be configured to prepare purified water from a tap water source in real-time that is used for creating a dialysate solution. The dialysis systems described also include features that make it easy for a patient to self-administer therapy. For example, the dialysis systems include disposable cartridge and patient tubing sets that are easily installed on the dialysis system and automatically align the tubing set, sensors, venous drip chamber, and other features with the corresponding components on the dialysis system. Methods of use are also provided, including automated priming sequences, blood return sequences, and dynamic balancing methods for controlling a rate of fluid transfer during different types of dialysis, including hemodialysis, ultrafiltration, and hemodiafiltration.
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Citations
14 Claims
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1. A method of priming a tubing set and a dialyzer of a dialysis system, comprising the steps of:
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operating a blood pump of the dialysis system in a reverse operating mode to flow saline in a reverse direction from a saline source, into the tubing set, into a venous drip chamber, and out of the venous drip chamber, before flowing saline into a blood-side of the dialyzer, to remove air from the tubing set and the blood-side of the dialyzer; and operating the blood pump in a forward operating mode to flow saline in a forward direction opposite to the reverse direction, into the blood-side of the dialyzer, and out of the blood-side of the dialyzer, before flowing saline into the venous drip chamber. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification