Exchangeable oscillating pipette needle

US6447728B1 · kind B1 · utility

Assignee

• Dade Behring Marburg GmbH · DE

Inventors

• Hugo Wilmes · Bad Soden, DE
• Oliver Kube · Worms, DE

Key dates

• Filing date: Oct 15, 1999
• Grant date: Sep 10, 2002
• Expiry date: Oct 15, 2019

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T436/2575
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

An exchangeable oscillating pipette needle for an automatic analyzer for examining biological body fluids is provided, in which the analyzer has a holder provided with a tension spring, and with which the oscillating arm, carrying the pipette needle and resting on a knife-edge bearing, is fixed in a stationary position and is releasably connected.