Patent
Low extracorporeal volume treatment system
Dennis A. Briggs
- 19 Apr 2001
13
TL;DR: A means, apparatus, and system for reducing the net fluid volume deficiency in a patient during a medical treatment process is presented in this paper. But, the authors do not specify the type of equipment that will be used.
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Abstract: A means, apparatus, and system for reducing the net fluid volume deficiency in a patient during a medical treatment process. The invention seeks to modify a batch-type process to achieve the efficiency of a continuous process by precisely measuring the net change in fluid volume within a patient and dispensing the appropriate amount of biological fluids to a patient via IV lines or by recycling blood components into the patient while biological fluids are being withdrawn. The apparatus includes subcomponent lines, valving means, pumping means, load cells, storage chambers, a centrifuge, and centrifuge bowls. The system may have numerous feedback components to accurately measure and control the flow rates and amount of fluid dispensed to a patient.
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Citations
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TL;DR: In this article, the authors calculate a volume of gas in the medical fluid pump prior to a pump-out stroke using a reading from the first pressure sensor after exposing the pump to gas pressure from the second pressure chamber and use the calculated volume in combination with a known volume of the second gas chamber and a pressure decay reading taken via the second sensor during the pump out stroke to calculate at least one volume of fluid pumped during the stroke.
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TL;DR: In this article, an apparatus for delivering saline during dialysis treatment, a controller is configured to automatically deliver saline in response to a request, but before the patient is disconnected, and an alarm is activated when treatment is about to end.
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References
Patent
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Patent
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Patent
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TL;DR: In this paper, a smart field-mounted control unit, for controlling a process, receives signals and sends a command output over a two-wire circuit which powers the control unit.
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Patent
Flow rate controller for a medication infusion pump
Indravudh Virote
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TL;DR: In this paper, a flow rate controller is provided for regulating the flow rate of medication delivered to a patient by an implantable medication infusion pump of the constant flow type, to minimize or prevent flow rate increases attributed to fluctuations in ambient pressure.
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