Biomechanical evaluation of cranial flap fixation techniques: comparative experimental study of suture, stainless steel wire, and rivetlike titanium clamp.

Abstract:

OBJECTIVE:To study the techniques of cranial flap fixation (suture, stainless steel wire, and rivetlike titanium clamp) on biomechanics. METHODS:Twenty-four cadaver craniotomy flaps were reattached with either suture, stainless steel wire, or rivetlike titanium clamp. Cranial flap fixation was timed and measured for the offset between cranial flap with craniotomy skull for every fixation technique. Load-bearing tests were performed by applying an external force until the failure of the fixation system. RESULTS:Rivetlike titanium clamp required significantly less time to fix (94 +/- 13 seconds) than either suture (172 +/- 14 seconds) or stainless steel wire (399 +/- 45 seconds). The offset of cranial flap after rivetlike titanium clamp fixation (0.20 +/- 0.12 mm) was significantly smaller than either suture (2.20 +/- 0.24 mm) or stainless steel wire (1.32 +/- 0.34 mm). Rivetlike titanium clamp was also stronger than suture and stainless steel wire in the load-bearing test. CONCLUSION:Rivetlike titanium clamp is easy to use, requires less time consumption, and shows accuracy and strength.

journal_name

Ann Plast Surg

authors

Wang YR,Su ZP,Yang SX,Guo BY,Zeng YJ

doi

10.1097/01.sap.0000239352.89088.26

subject

Has Abstract

pub_date

2007-04-01 00:00:00

pages

388-91

issue

4

eissn

0148-7043

issn

1536-3708

pii

00000637-200704000-00007

journal_volume

58

pub_type

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