Surgical instrument with rotary cutting member and quick release coupling arrangement

US7066940B2 · kind B2 · utility

Assignee

• Medtronic, Inc. · US

Inventors

• Danny C. Riedel · Weatherford, US
• Durrell Tidwell · Burleson, US
• Bryan Simmons · North Canton, US
• Larry Dale Estes · Oosterdijk, US
• Allen P. Hilton · Arlington, US
• Rex Shores · The Colony, US
• John Henderson · Flower Mound, US
• James Spitler · Midlothian, US
• Michelle Walker · Lewisville, US
• Dana A. Eskridge · Ojai, US
• Dennis L. Foster · Carmel, US
• Douglas W. Haight · Camarillo, US
• Laura A. Kriese · Ventura, US
• Stephen G. Savage · Oxnard, US

Key dates

• Filing date: Mar 21, 2002
• Grant date: Jun 27, 2006
• Expiry date: Oct 31, 2023

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2017/320032
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A surgical instrument for the dissection of bone and other tissue includes a spindle, a dissection tool and a male member carried by the spindle. The spindle includes a cavity. The dissection tool is releasably received in the cavity. The dissection tool extends along an axis and includes a first end and a second end with the first end having a cutting element and a second end having a generally cylindrical cross-section and a centrally located aperture partially extending along the axis. The male member is carried by the spindle and extends into the aperture of the dissection tool.