Patent ID: 8430102

Claim:
An adjustable mouthpiece for use in radiation therapy comprising: a base member and a bite-member, said base member and bite-member being suitably sized and configured for positioning in the oral cavity of a human patient, such that the base member depresses the patient's tongue when positioned in the oral cavity, and the bite-member accommodates the front teeth of the patient's upper jaw, wherein said base member includes a substantially hollow cavity to reduce scattering of radiation and said bite-member is adjustable in height in an anteroposterior direction relative to the base member, wherein the base member comprises a platform having an end configured to be placed into the patient's mouth and a block-shaped member rising above said platform on one face thereof, said block-shaped member comprising two or more holes for reversibly engaging a pin coupled to the bite-member, wherein each of the two or more holes provides a different height of the bite-member relative to the base member.