diff --git a/netforce_clinic/layouts/clinic_dialyzer_form.xml b/netforce_clinic/layouts/clinic_dialyzer_form.xml
index 45894c5..62ef27d 100644
--- a/netforce_clinic/layouts/clinic_dialyzer_form.xml
+++ b/netforce_clinic/layouts/clinic_dialyzer_form.xml
@@ -3,6 +3,7 @@
         <field name="state"/>
         <button string="Options" dropdown="1">
             <item string="Copy" method="copy"/>
+            <item string="To Draft" method="to_draft" states="active"/>
         </button>
     </head>
     <group span="6" columns="1">
@@ -12,7 +13,7 @@
         <field name="department_id" required="1"/>
         <field name="date"/>
         <field name="exp_date"/>
-        <field name="membrane_type"/>
+        <field name="membrane_type" required="1"/>
     </group>
     <group span="6" columns="1">
         <field name="product_id" onchange="onchange_product"/>
@@ -31,9 +32,8 @@
         <!--<separator string="Note: 'Use time' will count automatic after finish HD Case."/>-->
     </group>
     <foot>
-        <button string="Confirm" type="success" states="new" method="confirm"/>
+        <button string="Validate" type="success" states="new" method="validate"/>
         <button string="Drop" type="danger" icon="remove" states="active" method="drop"/>
-        <button string="Renew" type="primary" icon="refresh" states="active" method="renew"/>
     </foot>
     <related>
         <field name="pickings" click_action="view_picking"/>
diff --git a/netforce_clinic/models/dialyzer.py b/netforce_clinic/models/dialyzer.py
index f1103b6..a02a7b4 100644
--- a/netforce_clinic/models/dialyzer.py
+++ b/netforce_clinic/models/dialyzer.py
@@ -95,7 +95,7 @@ class Dialyzer(Model):
         obj=self.browse(ids)[0]
         obj.write({"state":"voided"})
 
-    def confirm(self,ids,context={}):
+    def validate(self,ids,context={}):
         id=ids[0]
         obj=self.browse(id)
         patient=obj.patient_id
@@ -211,11 +211,10 @@ class Dialyzer(Model):
             'flash': 'Dializer %s is cancelled'%(obj.number),
         }
     
-    def renew(self,ids,context={}):
+    def to_draft(self,ids,context={}):
         obj=self.browse(ids[0])
-        # XXX
-        if obj.use_time > obj.max_use_time:
-            raise Exception("Dialyzer %s is expired. (use time > max use time)"%obj.number or '')
+        #if obj.use_time > obj.max_use_time:
+            #raise Exception("Dialyzer %s is expired. (use time > max use time)"%obj.number or '')
         obj.cancel()
         obj.write({"state": "new"})
 
diff --git a/netforce_clinic/models/setting.py b/netforce_clinic/models/setting.py
index 0af8077..01a8ad8 100644
--- a/netforce_clinic/models/setting.py
+++ b/netforce_clinic/models/setting.py
@@ -108,9 +108,10 @@ class ClinicSetting(Model):
         if user_id !=1:
             print("Only admin!!")
             return
-        for pt in get_model("clinic.patient").search_browse([]):
-            pt.write({
-                'hn_no': pt.number or "", 
+        for hdi in get_model("clinic.hd.case.dialyzer").search_browse([]):
+            dlz=hdi.dialyzer_id
+            hdi.write({
+                'membrane_type': dlz.membrane_type,
             })
         print("Done! ")