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Mahar, Andrew
01-10-2003, 06:11 AM
Hello to the group,

I have a request for literature regarding extrapedicular screws. I have
been searching the various medical resources for biomechanical information
on fixation strength of extrapedicular screws which engage the rib head.
The screws are also known as "in-out-in" screws. This technique is often
required for posterior spinal surgery when the pedicle area is too small for
a standard screw or there is a pedicle fracture. I have searched nearly
every possible combination of
"biomechanics-spine-pedicle-screw-extrapedicular..." but have found little
material. The surgeons have assured me that this data *must* exist. I have
also searched reseacher names for "Kuklo" and "Polly", again without
success.

So.......

Does anyone working in in-vitro spine biomechanics have knowledge of these
articles or abstracts?

Kind regards to all,

Andrew

Andrew Mahar, MS
Orthopedic Biomechanics Research Center

Children's Hospital - San Diego
MC5054
3020 Children's Way
San Diego, CA
92123-4282
P: 858-966-4975 "For want of a nail,
F: 858-614-7494 the empire was lost."
amahar@chsd.org -proverb

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