Device for storing and dispensing a free-flowing substance and method of making and using the device

US7320398B2 · kind B2 · utility

Assignee

• 3M ESPE AG · DE

Inventors

• Mathias Bertl · Wildsteig, DE
• Marc Peuker · Schorndorf, DE
• Gabriele Hager · Augsburg, DE

Key dates

• Filing date: Feb 28, 2001
• Grant date: Jan 22, 2008
• Expiry date: Nov 8, 2022

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61C3/005
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A device can be especially designed for storing and dispensing dental materials. The device comprises a container comprising a first and a second film which form at least one first chamber for receiving a first substance and a recess that is separated from the chamber and serves to remove the first substance. The separation area between the recess and the first chamber is provided with a passage area that can be opened in a selective manner. The first chamber contains at least one additional container.