Index: simulator/plugins/heparin/loader.py
===================================================================
diff -u -r69b2aacf31c5fdc28e078f87dbdee5c3ab672dd1 -r9206e36aeff354823f2c37103d79f548221cd64c
--- simulator/plugins/heparin/loader.py	(.../loader.py)	(revision 69b2aacf31c5fdc28e078f87dbdee5c3ab672dd1)
+++ simulator/plugins/heparin/loader.py	(.../loader.py)	(revision 9206e36aeff354823f2c37103d79f548221cd64c)
@@ -2,14 +2,14 @@
 The Heparin ui loader class
 """
 import os
-from simulator.runtimewidget import RunTimeWidget
+from simulator.dynamicloader import DynamicLoader
 from PySide2 import QtWidgets
 from PySide2.QtCore import Slot
 from dialin.squish import denaliMessages
 from dialin.squish.denaliMessages import txStates
 
 
-class Loader(RunTimeWidget):
+class Loader(DynamicLoader):
     """
     The Saline Bolus ui loader class
     """
@@ -26,11 +26,11 @@
     def __init__(self):
         super().__init__(os.path.dirname(__file__))
         self.requested_state = txStates.HEPARIN_STATE_PAUSED
-        self.initialize()
-        self.init_widgets()
-        self.init_connections()
+        # self.initialize()
+        # self.init_widgets()
+        # self.init_connections()
 
-    def initialize(self):
+    def _init_loader(self):
         """
         finds and creates widgets
         :return: none
@@ -44,14 +44,14 @@
         # saline data
         self.sldCumulative = self.find_slider('sldCumulative')
 
-    def init_widgets(self):
+    def _init_widgets(self):
         """
         initializes the widgets' properties
         :return: none
         """
         pass
 
-    def init_connections(self):
+    def _init_connections(self):
         """
         initializes the widgets connections
         :return: