Patent ID: 11903794
Assignee: ALIGN TECHNOLOGY, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 19:
20. The system of claim 16, wherein the dental tray has one or more channels through the dental tray between an internal surface of the dental tray and an external vacuum port, wherein a vacuum is to couple to the external vacuum port to remove air from the one or more channels and adhere an optically clear disposable contamination control film to the internal surface of the dental tray, wherein the one or more channels are to apply the vacuum at a plurality of locations on the internal surface of the dental tray, the vacuum having sufficient suction to secure the optically clear disposable contamination control film to the internal surface of the dental tray without tearing the optically clear disposable contamination control film, wherein the optically clear disposable contamination control film does not impact imaging quality or geometry of the plurality of images captured by the plurality of cameras.