public HdMachine() { Dialyzer = new Dialyzer(); ExtracorporealBloodCircuit = new ExtracorporealBloodCircuit.ExtracorporealBloodCircuit(); DialyzingFluidDeliverySystem = new DialyzingFluidDeliverySystem.DialyzingFluidDeliverySystem(); ControlSystem = new ControlSystem(Dialyzer, ExtracorporealBloodCircuit, DialyzingFluidDeliverySystem); FromPatientArtery = new BloodFlowDelegate(); ToPatientVein = new BloodFlowDelegate(); }