When platelet-rich plasma (PRP) is separated with centrifuge and injected into the tympanum through the eardrum, PRP is activated within the tympanum to secrete growth factors, which are absorbed into the labyrinth through the fenestra rotunda to assist in the restoration of the damaged functions of the nerves.
At this time, it is necessary to inject PRP into an exact spot in the eardrum and ShimSPOT assists with injection accuracy.