Device for supporting the spinal column
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 14, 1992
Grant Date -
N/A
app pub date -
Oct 9, 1990
filing date -
Feb 9, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for supporting a spinal column includes a screw having a U-shaped head, a joining element received within the head, a threaded bolt received within and threadedly engaging the head, and a cap covering an upper portion of the head. The head is internally threaded. The threaded bolt engages the joining element to block relative movement between the joining element and the screw. The cap avoids spreading of the head upon tightening of the bolt in the head.
First Claim
Family
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Cited Art Landscape
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