Patent ID: 7992246

Claim:
A 360-degree toothbrush comprising: a brush handle; and a radial brush head in a cylindrical shape, constituted by superposing a plurality of disc shaped radial vanes arranged in the axial direction and fixed to a tip portion of the handle of the toothbrush, wherein the disc shaped radial vanes each comprises: a disk-shape portion, a through hole formed at a center part of the disk-shaped portion, through which a tip portion of a handle of the toothbrush penetrates; a weld portion in an annular shape provide around the through hole; and a plurality of bristle members extending outward from the weld portion in a radial direction of the disk-shape, wherein the weld portion of each of said disc shaped radial vanes includes first and second surfaces and a protrusion formed on at least one of the first and second surfaces to form clearances between the disc shaped radial vanes fixed to the tip portion of the handle of the toothbrush.