Michelle E Walker

US Patent:

7011661, Mar 14, 2006

Filed:

Jun 7, 2002

Appl. No.:

10/164867

Inventors:

Danny C. Riedel - Weatherford TX, US
Durrell G. Tidwell - Burleson TX, US
Bryan David Simmons - Flower Mound TX, US
Larry Dale Estes - North Richland Hills TX, US
Allen P. Hilton - Arlington TX, US
Rex Wesley Shores - The Colony TX, US
John K. Henderson - Flower Mound TX, US
James Q. Spitler - Cleburne TX, US
Michelle L. Walker - Lewisville TX, US

Assignee:

Medtronic, Inc. - Minneapolis MN

International Classification:

A61B 17/56

US Classification:

606 80, 606 79, 606170

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. The cavity may define a drive portion and a tool receiving aperture. One or more alignment projections may extend from the drive portion into the tool receiving aperture.

US Patent:

7066940, Jun 27, 2006

Filed:

Mar 21, 2002

Appl. No.:

10/102762

Inventors:

Danny C. Riedel - Weatherford TX, US
Durrell G. Tidwell - Burleson TX, US
Bryan David Simmons - Flower Mound TX, US
Larry Dale Estes - North Richland Hills TX, US
Allen P. Hilton - Arlington TX, US
Rex Wesley Shores - The Colony TX, US
John K. Henderson - Flower Mound TX, US
James Q. Spitler - Cleburne TX, US
Michelle L. Walker - Lewisville TX, US
Dana A. Eskridge - Ojai CA, US
Dennis L. Foster - Ojai CA, US
Douglas W Haight - Camarillo CA, US
Laura A. Kriese - Ventura CA, US
Stephen G Savage - Oxnard CA, US

Assignee:

Medtronic, Inc. - Minneapolis MN

International Classification:

A61B 17/00

US Classification:

606 79, 606167

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.