Trial implant assembly

US9078771B2 · kind B2 · utility

Assignee

• DePuy Synthes Products, Inc. · US

Inventors

• Marc Reichen · Brugg, CH
• David Chow · West Chester, US
• K. Daniel Riew · Chesterfield, US
• Kurt Schmura · North Middleboro, US
• Christopher Bonner · Downingtown, US
• David Gerber · Exton, US

Key dates

• Filing date: Apr 15, 2010
• Grant date: Jul 14, 2015
• Expiry date: Jul 5, 2031

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2250/0008
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A trial implant assembly is provided that includes a threaded shaft having exterior threading adjacent a distal end and a trial implant that includes a trial base having an interiorly threaded through hole couplable to the distal end of the shaft and a trial head having a superior endplate and an inferior endplate and a support connecting the superior endplate to the inferior endplate. A variety of visualization windows are provided through the trial implant as well as a variety of mechanically adjustable stops to prevent over insertion of the trial head within the intervertebral disc space.