The Prophet ﷺ used to say to the patient, "In the Name of Allah The earth of our land and the saliva of some of us cure our patient."
أَنَّ النَّبِيَّ ﷺ كَانَ يَقُولُ لِلْمَرِيضِ بِسْمِ اللَّهِ تُرْبَةُ أَرْضِنَا بِرِيقَةِ بَعْضِنَا يُشْفَى سَقِيمُنَا بِإِذْنِ رَبِّنَا