Patent ID: 9642583
Date: 2017-05-09
CPC Classifications: A61B,G03C

Claim:
1. A disposable sheath for a dental direct imaging digital device, comprising a first sheet body that is in connection with a peripheral edge of a symmetrical second sheet body, and forming a bag structure with an opening, wherein a direct imaging digital device is positioned in the interior of the bag structure; a first housing segment that is in connection with an opening exists on one end of the bag structure, the other end of the first housing segment is in connection with a second housing segment, wherein a size of the opening is larger than a sectional surface area of the direct imaging digital device; a tapered channel is formed from the opening of the first housing segment towards the second housing segment, enabling a through hole that is smaller in size compared the opening to be formed in between the first housing segment and the second housing segment, and a covered channel is formed by the second housing segment that is in alignment with the through hole, the first sheet structure and the second sheet structure of the bag structure comprise an elastic material, enabling the second housing segment to expand, and subsequently changing the size of the covered channel, following the expansion of the direct imaging digital device.