Dual tier spinal locking and retrieving system and instrumentation for administering such system percutaneously
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 30, 1994
Grant Date -
N/A
app pub date -
Jan 14, 1993
filing date -
Jan 14, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dual-tier spinal locking and retrieving system comprises a plurality of spinal pins, one or more lower auxiliary locking members, a plurality of connecting members, one or more upper auxiliary locking members, and a plurality of locking devices. Each of the spinal pins is provided with a fastening portion, a stop portion and a first receiving portion. The lower auxiliary locking members are used to brace or tighten the first receiving portion of the spinal pin so as to establish a lower auxiliary locking framework. The connecting member is provided with a second receiving portion and a third receiving portion. Ther upper auxiliary locking members are used to brace or tighten the third receiving portion of the connecting member so as to established an upper auxiliary locking framework. The locking devices are used to construct a dual-tier spinal locking and retrieving system for which a percutaneous instrumentation is provided.
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Family
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