Any funds, including social security benefits, coming into the possession of the superintendent or any employee of the hospital belonging to any patient in that hospital, shall be deposited in the name of that patient in the patients’ personal deposit fund, except that if a guardian of the property of that patient has been appointed, the guardian shall have the right to demand and receive such funds. Funds belonging to a patient deposited in the patients’ personal deposit fund may be used for the purchase of personal incidentals, desires and comforts for the patient.