Patent · US Active

Semi-constrained bone screw

US8449585B2 · kind B2 · utility

49Cited by

67References

19Claims

0Family size

Assignee

K2M, Inc. · US

Inventors

Todd Wallenstein · Ashburn, US
Larry McClintock · Gore, US
Scott A. Jones · Carmel, US
Megan E. McMullen · Leesburg, US
Adam Wassinger · Beaverton, US

Key dates

Filing date	Nov 5, 2010
Grant date	May 28, 2013
Priority date	—
Expiry date	May 27, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B17/8635
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A bone screw for attaching a bone plate to bone includes a shank defining a lumen extending at least partially therethrough from a proximal end thereof, a head defining a lumen therethrough, and a rod member. The rod member is configured for insertion through the lumen of the head and into the lumen of the shank. The rod member is fixedly engageable with the shank and moveably coupled to the head such that both the rod member and the shank are moveable with respect to the head.

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