US 12,127,905 B2
Film clamping element
André Schmid, Hinterforst (CH); Lukas Enggist, Sargans (CH); Frank Müller, Feldkirch (AT); and Eser Atilim, Boldoz (DE)
Assigned to Ivoclar Vivadent AG, Schaan (LI)
Filed by Ivoclar Vivadent AG, Schaan (LI)
Filed on Dec. 11, 2020, as Appl. No. 17/118,727.
Claims priority of application No. 19215633 (EP), filed on Dec. 12, 2019.
Prior Publication US 2021/0177251 A1, Jun. 17, 2021
Int. Cl. A61C 5/90 (2017.01); A61B 1/24 (2006.01); A61B 1/32 (2006.01); A61C 5/82 (2017.01)
CPC A61C 5/90 (2017.02) [A61B 1/24 (2013.01); A61B 1/32 (2013.01); A61C 5/82 (2017.02)] 15 Claims
OG exemplary drawing
 
1. A film clamping element for dental treatments, comprising
a lip ring (14) and
a vestibular ring (16), between which a film (12) extends,
wherein the film (12) and the lip and vestibular rings are elastically deformable,
wherein the film (12) comprises one or more attachments (24, 26) at, at least one position, starting from the one or more attachments, at least one elastic band (20, 22) extends which may be pulled over a part (28, 30) of the vestibular ring (16) and/or the lip ring (14) and with which the film (12) may be tensioned radially towards the inside,
wherein a portion of the at least one elastic band (20, 22) is not in contact with the film (12) when not pulled over a part (28, 30) of the vestibular ring (16) and/or the lip ring; wherein the at least one elastic band is mounted on the one or more attachments, floatingly in relaxed state and spaced apart from the film when not pulled over a part of the vestibular ring and/or the lip ring (14).