Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Frank Müller0
Nora Christina Kögel0
Lukas Enggist0
Date of Patent
May 21, 2019
0Patent Application Number
153208840
Date Filed
June 22, 2015
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The invention relates to a film clamping element, in particular for carrying out dental treatment in the mouth area of a patient, comprising a vestibular ring (14) and a lip ring (12), between which and optionally beyond which a film (16) extends. The film is held in a stretched manner by the rings, and the film (16) and the rings are elastically deformable, in particular the film and the rings can be pressed together into a substantially oval shape. The invention is characterized in that the vestibular ring (14) has a recess on at least one circumferential point, the width of said recess being greater than the width of a frenulum and smaller than the radius of the vestibular ring (14).
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