Index: MainTreatmentData/loader.py
===================================================================
diff -u -r2d936e054bf8364ff42d19d616b555637749ca22 -r8d3f0d411aa713011a2204226b5ff5c5a65d5bc3
--- MainTreatmentData/loader.py	(.../loader.py)	(revision 2d936e054bf8364ff42d19d616b555637749ca22)
+++ MainTreatmentData/loader.py	(.../loader.py)	(revision 8d3f0d411aa713011a2204226b5ff5c5a65d5bc3)
@@ -77,6 +77,12 @@
 
         self.lbBolusStart       = self.find_widget(QtWidgets.QLabel             , 'lbBolusStart'                    )
 
+        self.tx_time_min        = self.find_widget(QtWidgets.QSpinBox           , 'TxTimeMinSpinBox'                )
+        self.tx_time_max        = self.find_widget(QtWidgets.QSpinBox           , 'TxTimeMaxSpinBox'                )
+        self.uf_volume_min      = self.find_widget(QtWidgets.QSpinBox           , 'UFVolumeMinSpinBox'              )
+        self.uf_volume_max      = self.find_widget(QtWidgets.QSpinBox           , 'UFVolumeMaxSpinBox'              )
+        self.dial_rate_min      = self.find_widget(QtWidgets.QSpinBox           , 'DialRateMinSpinBox'              )
+        self.dial_rate_max      = self.find_widget(QtWidgets.QSpinBox           , 'DialRateMaxSpinBox'              )
 
     def _init_connections(self):
         """
@@ -104,6 +110,12 @@
         self.dial_flow_st_pt .valueChanged.connect(self.do_tx_set_point_data)  
         self.dial_temp_st_pt .valueChanged.connect(self.do_tx_set_point_data)  
         
+        self.tx_time_min    .valueChanged.connect(self.do_param_ranges_data)
+        self.tx_time_max    .valueChanged.connect(self.do_param_ranges_data)
+        self.uf_volume_min  .valueChanged.connect(self.do_param_ranges_data)
+        self.uf_volume_max  .valueChanged.connect(self.do_param_ranges_data)
+        self.dial_rate_min  .valueChanged.connect(self.do_param_ranges_data)
+        self.dial_rate_max  .valueChanged.connect(self.do_param_ranges_data)
 
     def handle_solution_infusion_request(self, message, timestamp = 0.0):
         """
@@ -134,6 +146,13 @@
         self.tx_duration    .setValue(0)
         self.tx_elapsed     .setValue(0)
 
+        self.tx_time_min    .setValue(0)
+        self.tx_time_max    .setValue(0)
+        self.uf_volume_min  .setValue(0)
+        self.uf_volume_max  .setValue(8000)
+        self.dial_rate_min  .setValue(0)
+        self.dial_rate_max  .setValue(0)
+
     @Slot()
     def do_uf_max(self):
         """
@@ -221,6 +240,28 @@
         )
 
     @Slot()
+    def do_param_ranges_data(self):
+        """
+        the slot for treatment param ranges Data
+        :return: none
+        """
+        tx_time_min_s       = self.tx_time_min.value()
+        tx_time_max_s       = self.tx_time_max.value()
+        uf_volume_min_mL    = self.uf_volume_min.value()
+        uf_volume_max_mL    = self.uf_volume_max.value()
+        dial_rate_min_mLH   = self.dial_rate_min.value()
+        dial_rate_max_mLH   = self.dial_rate_max.value()
+
+        self.td_interface.td_param_ranges(
+            tx_time_min_s       ,
+            tx_time_max_s       ,
+            uf_volume_min_mL    ,
+            uf_volume_max_mL    ,
+            dial_rate_min_mLH   ,
+            dial_rate_max_mLH
+        )
+
+    @Slot()
     def do_all_tx_data(self):
         """
         the slot for treatment set point Data
@@ -230,3 +271,4 @@
         self.do_uf_data()
         self.do_tx_time_data()
         self.do_tx_set_point_data()
+        self.do_param_ranges_data()