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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0821349 (2015-08-07) |
등록번호 | US-9579440 (2017-02-28) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 503 |
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 tha
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.
1. A method of returning blood in a patient tubing set of a dialysis delivery system to a patient after a dialysis treatment, comprising: creating a pathway between a saline source and the patient tubing set at a patient arterial access site;activating a blood pump in a forward direction, the blood
1. A method of returning blood in a patient tubing set of a dialysis delivery system to a patient after a dialysis treatment, comprising: creating a pathway between a saline source and the patient tubing set at a patient arterial access site;activating a blood pump in a forward direction, the blood pump being coupled to the patient tubing set, to draw saline from the saline source into the patient tubing set at the patient arterial access site and push blood back into the patient;tracking a number of revolutions of the blood pump to determine a volume of saline drawn into the patient tubing set; andde-activating the blood pump when a predetermined volume of saline is drawn into the patient tubing set, wherein the predetermined volume of saline is integrated into a fluid removal target for ultrafiltration during the dialysis treatment so a target weight of the patient is attained after returning the blood in the tubing set to the patient. 2. The method of claim 1 wherein the predetermined volume comprises 300-500 ml. 3. The method of claim 1, further comprising opening one or more pinch valves of the dialysis delivery system to create the pathway between the saline source and the patient tubing set. 4. The method of claim 1, wherein blood is pushed back into the patient through a patient venous access site. 5. A method of returning blood in a patient tubing set of a dialysis delivery system to a patient after a dialysis treatment, comprising: creating a pathway between a saline source and the patient tubing set at a patient arterial access site;activating a blood pump in a forward direction, the blood pump being coupled to the patient tubing set to draw saline from the saline source into the patient tubing set at the patient arterial access site and push blood back into the patient;tracking a volume of saline drawn into the patient tubing set; andde-activating the blood pump when a predetermined volume of saline is drawn into the patient tubing set, wherein the predetermined volume of saline is integrated into a fluid removal target for ultrafiltration during the dialysis treatment so a target weight of the patient is attained after returning the blood in the tubing set to the patient. 6. A method of returning blood in a patient tubing set of a dialysis delivery system to a patient after a dialysis treatment, comprising: creating a pathway between a saline source and the patient tubing set at a patient arterial access site;activating a blood pump in a forward direction, the blood pump being coupled to the patient tubing set to draw saline from the saline source into the patient tubing set at the patient arterial access site and push blood back into the patient;tracking a volume of saline drawn into the patient tubing set; andde-activating the blood pump when a predetermined volume of saline is drawn into the patient tubing set.
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