US Patent 9173726 Illuminated intra-oral delivery device

A medical syringe with a light source mounted on a distal end of the syringe to provide illumination of an injection site, a battery pack receiver configured to receive a battery pack with magnetic attraction a proximal end of the syringe, and a control circuit that is configured to illuminate the light source when the control circuit detects movement of the syringe and disconnects the battery from the light source either after a fixed period of time or after motion of the syringe ceases. Ideally the light source is a disc-shaped array of LED lights. The syringe is constructed of materials that can be sterilized.