Patent ID: 8790331

Claim:
A surgical handpiece comprising: a switch connected to the handpiece and used for controlling the handpiece; a bezel sealed to the handpiece, the bezel having an opening, the opening aligned over the switch; a button in the opening, the button being sealed to the bezel and being sealed within the opening, such that the bezel, the button and the handpiece form a sealed enclosure around the switch, wherein a force applied to the button is transferred to the switch to operate the switch, the button including an arm channel that extends through a middle of the button, the arm channel intersecting perpendicularly with an insert channel; a button insert having a hollow cylindrical shape located at least partially within the button and within the insert channel of the button, the button insert applying outward pressure to maintain the button in the opening; a tube located within the button insert and in contact with the button insert, the tube applying pressure on the button insert and against the button; and a linkage or knob that is partially contained within the button and extends through the arm channel.