| CPC A61B 1/32 (2013.01) [A61B 90/96 (2016.02); A61C 5/90 (2017.02); G06K 19/06037 (2013.01)] | 4 Claims |
|
1. A cheek retractor comprising:
a cheek hook having a right cheek hook part and a left cheek hook part for widening a mouth of a user horizontally; and
an arm having a substantially U shape and connecting the right cheek hook part to the left cheek hook part of the of cheek hook, wherein
each of the right cheek hook part and the left cheek hook part of the cheek hook includes a crescent shaped outer flange configured to be located outside the mouth when the cheek retractor is mounted on the mouth of the user and a crescent shaped inner flange configured to be located inside the mouth of the user, and a crescent member is configured to be located between the outer flange and the inner flange,
each of the inner flange and the outer flange includes a plurality of
through holes connecting to respective protruding pins on each of left and right plate portions, each of the plate portions having a quadrangular shape and a predetermined size,
an identifier portion including an identifier information of the user, the identifier portion having a predetermined size and printed or pasted on each of the plate portions disposed on the outer flange,
through holes of the plurality of through-holes are formed at a predetermined interval on vertical lines intersecting a horizontal line at a substantially right angle, the horizontal line passing through centers of the outer flange of the right cheek hook part and the outer flange of the left cheek hook part, and
each of the plate portions includes a plurality of the protruding pins for a connection to the respective through-holes on a side facing the mouth of the user when the cheek retractor is mounted in the mouth, and connected to the respective outer flanges.
|