FIELD: medical devices.
SUBSTANCE: dental retractor with fixators for the tongue and attachment of the saliva ejector contains a fixator for the lips and cheeks and a fixator for the tongue. The inner plate of the retainer for lips and cheeks has a notch. The V-shaped tongue retainer is V-shaped, attached to the lip and cheek retainer with elastic connectors, and attached to the inner plate of the lip and cheek retainer at an angle of 90°. The notch of the retainer for the lips and cheeks is made along the midline and has a depth of 10 mm for the location of the frenulums of the upper and lower lips. The dimensions of the V-shaped tongue holder are 35× 20× 10 mm. Elastic connectors are made with the possibility of fixation in the retromolar region behind the third molars of the lower jaw for simultaneous pressing of the corners of the mouth from the outside, have a length of 30 mm and a distance between them of 50 mm. The retainer for the saliva ejector is located with the possibility of placement in the region of the corners of the mouth from the outside and has a diameter of 17 mm.
EFFECT: improved usability.
1 cl, 3 dwg
