diff --git a/netforce_clinic/layouts/clinic_dialyzer_form.xml b/netforce_clinic/layouts/clinic_dialyzer_form.xml
index 583ad80..63b996f 100644
--- a/netforce_clinic/layouts/clinic_dialyzer_form.xml
+++ b/netforce_clinic/layouts/clinic_dialyzer_form.xml
@@ -24,6 +24,8 @@
         <field name="company_id" invisible="1"/>
     </group>
     <group span="6" columns="1">
+        <field name="create_user_id"/>
+        <field name="write_user_id"/>
     </group>
     <group span="6" columns="1">
         <template>
diff --git a/netforce_clinic/models/dialyzer.py b/netforce_clinic/models/dialyzer.py
index ac97b11..518776a 100644
--- a/netforce_clinic/models/dialyzer.py
+++ b/netforce_clinic/models/dialyzer.py
@@ -2,6 +2,7 @@ import time
 
 from netforce.model import Model, fields, get_model
 from netforce.access import get_active_company, get_active_user, set_active_user
+from netforce.database import get_connection
 
 class Dialyzer(Model):
     _name="clinic.dialyzer"
@@ -9,7 +10,17 @@ class Dialyzer(Model):
     _audit_log=True
     _name_field="number"
     _multi_company=True
-    
+
+    def _get_user(self,ids,context={}):
+        res={}
+        db=get_connection()
+        for r in db.query("""select id,create_uid, write_uid from clinic_dialyzer where id in %s""",tuple(ids)):
+            res[r['id']]={
+                'create_user_id': r['create_uid'],
+                'write_user_id': r['write_uid'],
+            }
+        return res
+
     _fields={
         "name": fields.Char("Name",search=True),
         "number": fields.Char("Number",required=True,search=True),
@@ -32,6 +43,8 @@ class Dialyzer(Model):
         "hd_cases_dlz": fields.One2Many("clinic.hd.case.dialyzer","dialyzer_id","Dialyzer History",domain=[['hd_case_id.state','in','waiting_payment','paid']]),
         'department_id': fields.Many2One("clinic.department","Department",search=True),
         "membrane_type": fields.Selection([("unsub","Unsub cellul"),("sub","Sub cellul"),("synthetic","Synthetic")],"Membrane Type"),
+        'write_user_id': fields.Many2One("base.user","Updated By",function="_get_user",function_multi=True),
+        'create_user_id': fields.Many2One("base.user","Create By",function="_get_user",function_multi=True),
     }
 
     def _get_number(self,context={}):