Apparatus for use in artificial kidney system
Patent 4153554 Issued on May 8, 1979. Estimated Expiration Date: 
February 22, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 22, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesInventorsAssigneeApplicationNo. 05/770789 filed on 02/22/1977US Classes:210/96.2, With membrane210/135, Including manually controlled element210/137, Maintaining stream pressure or flow210/197, From bottom of separator210/321.65Permeated liquid quantity measurement or controlExaminersPrimary: Hart, Charles N.Assistant: Sadowski, David R. Attorney, Agent or FirmInternational ClassA61M 1/16 (20060101)AbstractA machine is disclosed for use with an artificial kidney. The machine has three separately controllable pumps enabling delivery and return of a dialysate solution to an artificial kidney with precise control of various dialysate parameters such as temperature, pressure, conductivity, and flow rate.The machine has redundant control and monitor circuits to assure safe operation. The monitor circuit is capable of causing the machine to stop dialysis if any one of various monitored parameters goes out of limits.Other References
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