public void updateMemo() {
// メモ内容に変更がなければ何もしない
if (oldText.equals(memoArea.getText().trim())) return;
if (patientMemoModel == null) {
patientMemoModel = new PatientMemoModel();
}
// 上書き更新
Date confirmed = new Date();
patientMemoModel.setKarte(context.getKarte());
patientMemoModel.setCreator(Project.getUserModel());