Intraosseous needle

US5484442A · kind A · utility

Assignees

• Cook Regentec LLC · US
• University of Florida Research Foundation, INC. · US

Inventors

• Richard J. Melker · Gainesville, US
• Peter F. Gearen · Gainesville, US
• Gary J. Miller · Gainesville, US
• Michael P. DeBruyne · Bloomington, US
• Lisa Molitor · Gainesville, US

Key dates

• Filing date: May 11, 1992
• Grant date: Jan 16, 1996
• Expiry date: May 11, 2012

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B17/8811
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An intraosseous needle having a threaded shaft with a passageway extending substantially therethrough, a solid and pointed tip at one end thereof, the tip having a plurality of cutting edges which facilitate boring through a bone. The shaft also includes two side ports in communication with the passageway to allow fluids to pass through the needle into the interior of the bone after successful insertion thereof. There is a hub at the opposite end of the shaft, whereby the needle is adapted to coupled with an appropriate gripping device. A handle is provided in the shape of a ball knob and is adapted to telescopically and grippingly receive the hub of the needle. The hub and handle are both equipped with mutually engaging torque-transmitting surfaces.