A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
A61C 13/225 (2006.01) A61C 13/265 (2006.01)
Patent
CA 2229748
The device for the attachment of dental prosthesis comprises a male component (1) which can be anchored into the jaw and a removably attachable female component (2) for receiving a core, whereby the male component (1) includes a retention groove (7) and the female component (2) includes a spring element for retaining the male component (1) in the groove, whereby the spring element is a rubber elastic retention ring (3). The latter is arranged in such a way in the male component (2) that in its axial direction it is neither moved during the introduction of the male component (1) nor during its extraction and is untwistably hold. To avoid an overpressure during assembling and a vacuum during disassembling, its inner wall comprises a venting groove (15). Such a fixation means allows a smooth snapping-in and a user-friendly disassembling of the prosthesis, which will, however, be hold tightly in its axial direction.
L'invention porte sur un dispositif de fixation d'une prothèse dentaire comportant : un élément mâle (1) pouvant être ancré dans la mâchoire et un élément femelle (2) placé de façon non permanente et qui reçoit un noyau. L'élément mâle (1) comprend une rainure de retenue (7) et l'élément femelle (2), un élément à ressort qui retient l'élément mâle (1) dans la rainure. L'élément à ressort est en fait une bague de retenue élastique (3) en caoutchouc qui est disposée de telle manière dans l'élément mâle (2) que, dans son sens axial, elle ne bouge pas au moment de l'introduction ou de l'extraction de l'élément mâle (1) et est retenue sans torsion. Afin d'éviter une surpression pendant le montage et un effet de vide au cours du démontage, la paroi interne de la bague comporte une rainure d'évent (15). Un tel dispositif de fixation permet d'insérer par pression et de démonter facilement la prothèse qui est toutefois retenue fermement dans le sens axial.
Blumli Markus
Buchholz Alexis
Guenat Jean-Marc
Cendres Et Metaux Sa
Fetherstonhaugh & Co.
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