Closure element

US6419825B1 · kind B1 · utility

Assignee

• Fresenius Medical Care Deutschland GmbH · DE

Inventors

• Uwe Hahmann · Bad Homburg vor der Höhe, DE
• Christian Sauerwald · Sankt Wendel, DE
• Klaus Heilmann · Sankt Wendel, DE
• Gerhard Breith · Sankt Wendel, DE
• Steffen Fritzsche · Tholey, DE
• Igor Raiko · Bad Homburg vor der Höhe, DE

Key dates

• Filing date: Nov 15, 1999
• Grant date: Jul 16, 2002
• Expiry date: Nov 15, 2019

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D65/022
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A closure element for sterile closure of connections, in particular connections of filter modules for dialysis, hemofiltration or ultrafiltration is described. A closure element with a simple design that provides a reliable seal is formed by having the closure element include a wall with an automatically closing slit-shaped indentation which when closed creates a germ-proof seal. The sealing element is used for sterile closure of connections of medical items, as well as for the medical items themselves.