The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 27, 2001
Filed:
Nov. 09, 1999
Applicant:
Inventor:
Burkhard Hugo, Hettstadt, DE;
Assignee:
Geno Know-How Sarnen AG, Sarnen, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61C 5/04 ;
U.S. Cl.
CPC ...
A61C 5/04 ;
Abstract
The device for the retention and the adaptation of a matrix to the treated portion of a tooth includes a tightener clamp whose ends are each provided with an adaptation cushion having anchoring elements and adaptation elements, the cushion being destined to adapt to the contour of the border area of the cavity of the treated tooth portion in a formfitting manner. Such a device effectively prevents the formation of proximal excesses in composite fillings.