Bone screw
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 20, 2010
Grant Date -
Feb 22, 2007
app pub date -
Oct 29, 2004
filing date -
Oct 29, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention concerns a bone screw comprising a head (2), a stem (3) and a thread (4) provided in the form of turns on the stem (3). A plurality of first turns (6) comprising smooth cutting edges (7) extend towards the head (2) from the free end (5) of the stem (3). Second turns (8) adjacent to the first turns (6), arranged in steps towards the head (2), comprise recesses (9) provided in the cutting edges (7). The size of the recesses (9) of the second turns (8) gradually increases from the free end (5) while the are of the edges in the peripheral direction gradually decreases.
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