Patents Assigned to Maillefer Instruments Holding S.A.R.L.
  • Dental instrument for the extraction of an object from a root canal
    Patent number: 7021935
    Abstract: A dental instrument for the extraction of an object from a root canal, comprising a shaft (1) having an open-end part (3) designed to receive at least a part of object (9), this open-end part (3) able to be deformed to permit seizing object (9) by clamping and then extracting it from the root canal, is characterized in that open-end part (3) is tubular and is able to plastically deform, in a manner that involves a reduction of its inner section, under the effect of a given stress.
    Type: Grant
    Filed: December 15, 2003
    Date of Patent: April 4, 2006
    Assignee: Maillefer Instruments Holding S.A.R.L.
    Inventors: Francois Aeby, Gilbert Rota