In ionic view app window.location Not working but it working in web browser

not working plz help

$scope.getpatdetails = function (item) {
sessionStorage.setItem("PatientName", item.fullname);
sessionStorage.setItem("PatientId", item.Id);

i am using window.location in controller it is not working
** window.location = 'index.html#/patient/patientsummary';**

}

in app.js --------------------------------------------------------------------------------------

.state('patient.Summary', {

         url: "/patientsummary",
         views: {
             "patContent": {
                 templateUrl: 'app/patient/patientsummary.html'

             }
         }
     })