Index: simulator/plugins/heparin/loader.py
===================================================================
diff -u -r2b0ff4367443cf0458594c81c32598df5b6c39cb -rf921975179b1c1ad61d841b9db5976c00432fdcc
--- simulator/plugins/heparin/loader.py	(.../loader.py)	(revision 2b0ff4367443cf0458594c81c32598df5b6c39cb)
+++ simulator/plugins/heparin/loader.py	(.../loader.py)	(revision f921975179b1c1ad61d841b9db5976c00432fdcc)
@@ -1,14 +1,15 @@
 """
 The Heparin ui loader class
 """
-from runtimewidget import RunTimeWidget
+import os
+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 Heparin(RunTimeWidget):
+class Loader(DynamicLoader):
     """
     The Saline Bolus ui loader class
     """
@@ -23,13 +24,10 @@
     requested_state: txStates
 
     def __init__(self):
-        super().__init__("plugins/heparin/interface.ui")
+        super().__init__(os.path.dirname(__file__))
         self.requested_state = txStates.HEPARIN_STATE_PAUSED
-        self.initialize()
-        self.init_widgets()
-        self.init_connections()
 
-    def initialize(self):
+    def _init_loader(self):
         """
         finds and creates widgets
         :return: none
@@ -43,14 +41,14 @@
         # 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: