Herbert screw

Herbert screw

Orthopedics A specialty screw that is cannulated and threaded at both ends, used in fractures of small articular bones such as the carpals. See Screw.
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Up-to-date surgical treatment of scaphoid fractures and nonunions requires incorporation of numerous innovations of the last ten years, including the headless Herbert screw, the annulated headless screw, and improved techniques for vascularized bone grafts.
The fracture site was not exposed and a Herbert screw (Zimmer, U.
In the present report, we used the conventional Herbert screw to fix the fracture site through a small incision, however, we would like to use the headless screw with a cannulated guide wire system when we have a chance to treat the similar case in future.
Retrograde Herbert screw fixation for treatment of proximal pole scaphoid nonunions.
The Acutrak[R] system also provided greater resistance to torque than did the AO[R] and Herbert screws, heralding its rotational stability and ability to maintain interfragment contact.
The Herbert screw was introduced in the 1980s as an alternative to AO lag screws.
40 mm less than the Herbert screw specimens; this was statistically significant (p < 0.
Saeden and associates (34) prospectively compared Herbert screw fixation versus long-arm casting for stable waist fractures.
Filan SL, Herbert TJ: Herbert screw fixation of scaphoid fractures.
The Acutrak screw provides the greatest push-out force, highest amount of retained compression after cyclic loading, and highest resistance to torsional loading compared to AO and Herbert screws in cadaveric and synthetic bone material (Clin Orthop Relat Res.
Several investigators recommend internal fixation for an os acromiale using various techniques, including the use of tension-band wire, sutures, Herbert screws, and cannulated screws, with or without the use of bone graft.
5 mm cannulated Herbert screws and bone graft from the anterior acromion.