Page 167 - ASOP ROT Study Guide

compres
sion of
fragment
s

http://orthoinfo.aaos.org/topic.cfm?topic=A00
010

FIGURE ABOVE. A SCREW BEING USED TO COMPRESS FRACTURE FRAGMENTS
TOGETHER.

These achieve great accuracy and are particularly valuable in cancellous bone around joints. They
are also useful in long bones, particularly in the upper limb but in these situations extra support is
required from an onlay device.
Onlay devices

FIGURE. A PLATE COMBINED WITH
INTERFRAGMENTARY SCREWS TO

GIVE RIGID FIXATION.

http://achesandjoints.org/2010/12/07/fem
ur-fractures-around-hip-implants/