Automated dialysis system
First Claim
1. A dialysis system comprising:
- a portable hardware unit, the hardware unit including an enclosure defining an interior and including a pump shell, a valve actuator and a heater;
a disposable unit removably and operably positionable with respect to the interior of the enclosure, the disposable unit having a pump portion that forms a pump chamber with the shell of the hardware unit, a valve portion that is moved by the valve actuator and a heating portion that is heated by the heater; and
a pump actuator configured to pneumatically and mechanically move the pump portion of the disposable unit with respect to the pump shell of the enclosure.
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Accused Products
Abstract
The present invention provides automated peritoneal dialysis systems, methods of operating the systems and devices for performing same. A typical therapy performed by the present invention begins by draining dialysis solution that is already in the patient'"'"'s peritoneal cavity. The system pumps fresh dialysate from one of a plurality of supply bags, through an in-line heater to the patient'"'"'s peritoneal cavity. After a dwell period, the spent dialysate in the cavity is pumped out of the patient to a drain or other disposal means. The system then pumps fresh dialysate from the supply bags to the patient and the procedure is repeated as defined in the therapy protocol. The system can pump a last bag of dialysate to the peritoneal cavity for an extended dwell, such as a daytime dwell.
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Citations
22 Claims
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1. A dialysis system comprising:
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a portable hardware unit, the hardware unit including an enclosure defining an interior and including a pump shell, a valve actuator and a heater; a disposable unit removably and operably positionable with respect to the interior of the enclosure, the disposable unit having a pump portion that forms a pump chamber with the shell of the hardware unit, a valve portion that is moved by the valve actuator and a heating portion that is heated by the heater; and a pump actuator configured to pneumatically and mechanically move the pump portion of the disposable unit with respect to the pump shell of the enclosure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A dialysis system comprising:
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a disposable unit removably and operably positionable with respect to a hardware unit, the disposable unit including a heating portion, a valve portion and a pump portion; and wherein the hardware unit houses a heater operable with the heating portion of the disposable unit, a valve actuator operable with the valve portion of the disposable unit, and a pump actuator including a pump shell operable with the pump portion of the disposable unit, the pump actuator configured to pneumatically and mechanically operate with the pump portion of the disposable unit. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification