THE EFFECTS OF FREEZING OR FREEZE-DRYING ON THE BIOMECHANICAL PROPERTIES OF THE CANINE INTERVERTEBRAL-DISK

被引：14

作者：

FLYNN, J ^{[1
]}

RUDERT, MJ ^{[1
]}

OLSON, E ^{[1
]}

BARATZ, M ^{[1
]}

HANLEY, E ^{[1
]}

机构：

[1] UNIV PITTSBURGH,DEPT ORTHOPAED SURG,PITTSBURGH,PA 15260

来源：

SPINE | 1990年 / 15卷 / 06期

关键词：

Biomechanics; Canine; Freeze-drying; Freezing; Intervertebral disc;

D O I：

10.1097/00007632-199006000-00025

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

The transplantation of spinal allografts to correct defects that include disc, body, or segments of both is currently under experimental investigation. A method of graft preservation that will least compromise the biomechanical integrity of the bodies or discs is required. Using a five-mode biomechanical analysis, the authors compared the change in stiffness of ten preserved canine spines. The freeze-dried specimens lost a significantly greater amount of stiffness in compression, flexion, extension, and torsion than did the frozen specimens. Therefore, from a biomechanical viewpoint, deep-freezing is superior to freeze-drying for spinal allograft preservation. © Lippincott-Raven Publishers.

引用

页码：567 / 570

页数：4

共 11 条

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