Patent ID: 9248004
Filing Date: 2016-02-02
CPC Classification: A61B,A61C

Claim Text:
1. An ultrasonic tip for minimally invasive crown lengthening, the ultrasonic tip comprising: a distal end with an external side, an internal side, and a cutting edge; a proximal end adapted for mechanical coupling to a surgical handpiece that provides ultrasonic vibrations; and a body portion extending in a longitudinal direction from the proximal end towards the distal end, wherein the distal end has a longer longitudinal axis parallel to an axis of the body portion, and a shorter transverse axis orthogonal to the longitudinal axis, the longitudinal and transverse axes defining a plane, wherein the external side of the distal end comprises a serrated edge and a diamond and/or rough surface extending outward from the longitudinal axis substantially parallel to the plane, an entirety of the external side of the distal end associated with the cutting edge being the diamond and/or rough surface, wherein the internal side of the distal end comprises a polished surface extending outward by smoothly and continuously tapering in a direction along the longitudinal axis away from a proximal-most portion of the distal end towards a distal-most portion of the distal end, wherein the polished surface of the internal side of the distal end also extends in a direction along the transverse axis from the longitudinal axis by smoothly and continuously tapering from the longitudinal axis to the cutting edge, wherein the external side and the smoothly and continuously tapering internal side form an acute angle at the cutting edge, and wherein a straight base of the distal end extends away from longitudinal sides of the body portion.