Reciprocating rasps for use in an orthopaedic surgical procedure

US8506569B2 · kind B2 · utility

Assignee

• DePuy Synthes Products, Inc. · US

Inventors

• Ryan C. Keefer · Warsaw, US
• Sarah M. Anthony · Leesburg, US
• Conrad Klotz · Nappanee, US
• Kyle E. Lappin · Fort Wayne, US
• Van A. Flamion · Warsaw, US
• James A. Caywood · Fort Wayne, US
• Francisco A. Amaral · Acushnet, US
• Michael J. Fortin · Acushnet, US
• Gabriel M. Surma · Winona Lake, US
• Joanna L. Surma · Winona Lake, US

Key dates

• Filing date: Nov 30, 2010
• Grant date: Aug 13, 2013
• Expiry date: Mar 12, 2031

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2002/30736
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Reciprocating rasps for the surgical preparation of the bone prior to the implantation of a glenoid or acetabular component with complex geometry are disclosed. Surgical methods for the use of such reciprocating rasps are also disclosed. A reciprocating rasp for use in the surgical preparation of an acetabulum includes a shaft having a first end configured to be secured in a chuck of a reciprocating tool, and a cutting head secured to a second end of the shaft. The cutting head includes a cutting surface having a plurality of cutting teeth arranged in a geometry that corresponds with a geometry of the acetabular component, and an alignment guide that is devoid of cutting teeth and configured to cooperate with a complementary alignment guide of an acetabular trial instrument when the cutting head is secured to the second end of the shaft.