US Patent 9539170 Lacrimal duct therapy device

The lacrimal duct therapy device includes a frame assembly and an actuator assembly mounted on the frame assembly. The actuator assembly includes a contact assembly and a motor assembly configured to drive the contact assembly. The contact assembly includes at least one cam member having a base portion and a lobe portion and at least one arm member. The at least one cam member is mounted on a rod member attached to the motor assembly for rotation therewith. The at least one cam member bears against a leg member pivotally attached to the frame assembly, the leg member terminating in a knob bearing against the user's lacrimal duct region. Actuation of the motor periodically pivots the leg member so that the knob massages the lacrimal duct.