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Characteristics Of The Ideal Blood Pump

Characteristics Of The Ideal Blood Pump. Low Priming Volume Durable/ No mechanical failures Easy to set up and operate No Hemolysis Or damage to the other formed elements of the blood Antithrombogenic No anticoagulation required . BLOOD PUMPS. ROLLER PUMP.

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Characteristics Of The Ideal Blood Pump

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  1. Characteristics Of The Ideal Blood Pump • Low Priming Volume • Durable/ No mechanical failures • Easy to set up and operate • No Hemolysis • Or damage to the other formed elements of the blood • Antithrombogenic • No anticoagulation required

  2. BLOOD PUMPS

  3. ROLLER PUMP

  4. Roller Pumps in ECMO • Roller Pumps with Venous Reservoir dominated the US market. • Roller pumps predated Centrifugal. • Centrifugal Pumps becoming more widely used because of technology improvements. • New Centrifugal pumps have no shafts, seals or bearings.

  5. Non Positive Displacement Centrifugal Pump Flow affected by : Preload: CVP, Cannula/Tubing Dia, Hct Afterload: MAP, Cannula/Tubing Dia, Hct, Circuit Resistance Size of pump RPM’s

  6. Blood Flow Monitoring for BioMedicus Pump Pump RPM’s does not give absolute blood flow only correlates with flow. In line Ultrasonic Flow Probe is used to monitor blood flow.

  7. Ultra sonic Flow Measurement Flow probe bounces ultra sound off of red cells and determines rate of flow from the Doppler shift created by the movement of the red cells. Computer converts rate of flow to volume of flow (per unit of time or mls/min). By knowing rate of flow and diameter of tubing indexed to the tubing diameter by the proper sized flow probe.

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