Bone screw and fastening tool for same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 20, 2004
Grant Date -
Jan 30, 2003
app pub date -
Jul 17, 2002
filing date -
Jul 27, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a bone screw and a tool for fixing same. A bone screw has a screw element (1), comprising a screw shank (2) and a screw head (3), a cylindrical receiver part (5) with a bore coaxial to the cylindrical axis coming from one end (8) of the cylinder, an opening (6) extending cross-wise to the cylindrical axis for receiving a rod (16) to be connected to the bone screw, an inner thread (10) at one end (8) and a screw (13) cooperating with it and also an outer thread (11) at one end (8) and a nut (14) cooperating with it. Both threads (10, 11) are constructed as running in opposite directions. A fastening tool (21, 21') acts as tool for fixing a bone screw, with a central shank (23), which is constructed at one end for engagement with a screw or nut and at its other end has a first handle (22), a sleeve-shaped shank (24), surrounding the central shank (23), which is constructed at one end for engagement with a screw or nut and at its other end has a second handle (25), both shanks (23, 24) being rotatable with respect to one another.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully