Patent · US Active

Intervertebral disc replacement and associated instrumentation

US8814938B2 · kind B2 · utility

2Cited by

78References

17Claims

0Family size

Assignee

K2M, Inc. · US

Inventors

Casey K. Lee · Florham Park, US
George Makris · West Orange, US
Alastair J. T. Clemow · Princeton, US

Key dates

Filing date	Oct 24, 2006
Grant date	Aug 26, 2014
Priority date	—
Expiry date	Mar 21, 2030

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61F2002/30884
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An endplate for an intervertebral prosthesis includes an inner domed region (330) and a peripheral rim (332) wherein the inner domed region has a non-circular plan and has an area that is at least 50% of the area of the endplate. A surgical instrument for milling a recess in a vertebral endplate includes a cutting tool having a drive shaft with a positioning collar, a guard frame, and a pair of guide plates attached to the guard frame and space to confine the positioning collar and having guide slots for the drive shaft.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.