Abdullah bin Buraidah narrates from his father that when the leg of Sayyiduna Amr bin Ma'adh (may Allah be pleased with him) was cut, the Holy Prophet (peace and blessings of Allah be upon him) applied his saliva on it, and it was healed.
Hadith Referenceصحیح ابن حبان / كتاب التاريخ / 6509
Hadith Gradingفضيلة الشيخ الإمام محمد ناصر الدين الألبانيصحيح - «الصحيحة» (2904).فضيلة الشيخ العلّامة شُعيب الأرناؤوطإسناده حسن