Retractors

Details Retractors Retractors

A - Human Necessities

61

B

A61B 1/32 (2006.01)

Patent

CA 2516637

Retractors discussed herein include lip retractors that have four channel retainers to retain four portions of the lips. The four channel retainers are attached to four resilient members, which are adapted to bias the four channel retainers outwardly away from one another, which in turn retract the portions of the lips that are retained by the four channel retainers to expose the teeth and/or mouth. Optionally, the retractors may be equipped with a tongue retainer. If equipped, the tongue retainer is adapted to limit the tongue to further expose the backside of the teeth.

L'invention concerne des écarteurs de lèvres comprenant quatre éléments de retenue à canal permettant de retenir quatre parties des lèvres. Les quatre éléments de retenue à canal sont fixés sur quatre éléments élastiques conçus pour solliciter les quatre éléments de retenue à canal vers l'extérieur, à distance les uns des autres, et rétractant à leur tour les parties des lèvres retenues par les quatre éléments de retenue à canal, de manière à exposer les dents et/ou la bouche. Les écarteurs peuvent éventuellement être équipés d'un élément de retenue de la langue. Si tel est le cas, l'élément de retenue de la langue est conçu pour restreindre la langue, afin d'exposer l'arrière des dents.

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