Patent · US Active

Dentists' preparation instrument

US9833298B2 · kind B2 · utility

0Cited by

5References

22Claims

0Family size

Assignee

SIRONA Dental Systems GmbH · DE

Inventors

Matthias Rein · Roßdorf, DE
Siegfried Goisser · Einhausen, DE
Metin Ertugrul · Rödermark, DE
Ralf Sutter · Weinheim, DE

Key dates

Filing date	Jul 17, 2013
Grant date	Dec 5, 2017
Priority date	—
Expiry date	Aug 8, 2033

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61C1/05
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A dental apparatus that includes a turbine, a rotor, and a disruptive contour. The turbine drives a tool by compressed air. The rotor is arranged in a turbine compartment and rotates about its longitudinal axis. The rotor includes a plurality of blades that extend up to a front side of the rotor. The disruptive contour is at least one protrusion on a wall opposite the front side of the rotor which extends over a height in a direction of the longitudinal axis of the rotor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.