Device for the injection of medical preparations with CT/MRI monitoring

US7566321B2 · kind B2 · utility

Assignee

• Forschungszentrum Karlsruhe GmbH · DE

Inventors

• Lothar Gumb · Karlsdorf-Neuthard, DE
• Henri Hannula · Helsinki, FI
• Swen Kohn · Karlsruhe, DE
• Andreas Melzer · Bad Hersfeld, DE
• Aribert Schaf · Bruchsal, DE
• Georg Prokott · Blankenloch, DE

Key dates

• Filing date: Dec 26, 2002
• Grant date: Jul 28, 2009
• Expiry date: Jul 1, 2025

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2090/374
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

In a device for the injection of medical preparations, into a patients body during an examination in a Computer Tomograph (CT) or in a Magnetic Resonance Tomograph (MRT) or endoscopically, including an injection needle supported by an injection-needle advancing arrangement for insertion of the injection needle into the patients body and the concurrent injection of medications with a separate dosing apparatus, a hose with a check valve for the one-way transport of the medical preparations from the dosing apparatus into the injection needle, as well as a pressure sensor for monitoring the infusion, the injection needle advancing arrangement comprises a needle holder and a linear drive for the movement of the needle holder in parallel with the injection needle and the dosing apparatus has geometric dimensions and consists of materials permitting its insertion into the CT or MRT together with the patient.