Connection of a prosthesis structure with an implant structure

a technology of prosthesis structure and implant structure, which is applied in the field of connection devices, can solve the problems of high consumption of retention parts, difficulty and labor, and irregularly not being able to place implant structures exactly at the desired target, and achieves the effects of convenient, comfortable and reliable placement or snapping, and relatively easy replacemen
US20120003606A1Inactive Publication Date: 2012-01-05FORUM IMMOBILIEN
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
FORUM IMMOBILIEN
Publication Date
2012-01-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

A connection device for connecting a prosthesis structure with an implant structure comprises a holding shell and a retention insert. The retention insert comprises an end side and a substantially ring-shaped retention rim projecting therefrom. The holding shell comprises an end side and a substantially ring-shaped holding rim projecting therefrom. The holding rim and the end side of the holding shell form a retainer in which the retention insert can be arranged such that an outer surface of the retention rim is adjacent to an inner surface of the holding rim. Moreover, the outer surface of the retention rim is at least partly spaced from and adjacent to the inner surface of the holding rim when the retention insert is arranged in the retainer of the holding shell and when essentially no radial forces are acting on the holding rim and on the retention rim. In that the adjacent outer surface of the retention rim and inner surface of the holding rim are at least partly not contacting each other but are spaced from each other when essentially no radial forces are acting on the holding rim and on the retention rim, it can, i.a., be achieved that the retention insert is connected relatively loosely with the holding shell when the connection device has not yet been placed on the implant structure. This loose connection can allow the retention insert to be relatively easily removed from the holding shell and inserted in the holding shell without having to be substantially deformed or strained in any other way. Thus, it is possible to insert and remove the retention insert gently, which can improve the flexibility and lifetime of the connection device.
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Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] This application claims priority from European application EP 10 16 8364.7, filed Jul. 2, 2010, which is incorporated herein by reference in its entirety.FIELD OF THE INVENTION

[0002] The invention relates to a connection device as well to a corresponding retention insert, a corresponding method and a corresponding demounting tool. Connection devices of this kind, which comprise a holding shell and a retention insert, wherein the holding shell has an end side and a substantially ring-shaped holding rim projecting therefrom and the retention insert has an end side and a substantially ring-shaped retention rim projecting therefrom, and wherein the holding rim and the end side of the holding shell form a retainer in which the retention insert can be arranged such that an outer surface of the retention rim of the retention insert is located adjacent to an inner surface of the holding rim of the holding shell, can be used for connecting a dental...

Claims

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