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US 2006/0235414 A1Published application
Intervertebral joint
AssigneeSDGI Holdings, Inc.
InventorsRoy Lim, Michael MacMillan
Life of this patent
Estimating the term…
Abstract
An intervertebral joint with one embodiment comprising a socket screw, a ball screw, and two support screws. The socket screw and ball screw form a socket joint between two vertebral members. A first support screw braces the socket screw. A second support screw braces the ball screw.
Claims33
An orthopedic device comprising:
- a threaded shaft having a longitudinal axis;
- and
- a ball socket connected to the threaded shaft and oriented at an angle to the longitudinal axis of the threaded shaft.
An orthopedic device assembly comprising:
- a socket screw including a threaded shaft and an angularly disposed ball socket;
- and
- a support screw including a shaft having seat formed in a first end thereof to engage and support said socket screw.
An orthopedice device comprising:
- a threaded shaft;
- and
- a rounded head connected to one end of the threaded shaft;
- the rounded head be offset from a longitudinal centerline extending through the threaded shaft.
1 more element
An orthopedic device comprising:
- a socket screw having a ball socket for insertion into a first bone;
- and
- a ball screw for insertion into a second bone, the ball screw including a rounded head adapted to engage with the ball socket to form a ball joint.
A method of forming an artificial joint between first and second bones comprising:
- inserting a socket screw including a ball socket into a first bone;
- and
- inserting a ball screw including a rounded head into a second bone such that the rounded head engages in said ball socket to form a ball joint.
Dependencies are inferred from the claim text.