. . "For example, each vial or other container can comprise anesthetics or other pain-relieving medications (e.g., Lidocaine, other slow or fast acting anesthetics, etc.) steroids (e.g., Depo-Medrol???, methylprednisolone acetate, etc.), hyaluronic acid, saline, pharmaceutical compositions, other medications or drugs, cells, liquid and non-liquid fluids and flowable materials, nanoparticles, cement, mi" . .