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Formation of structural grafts from cancellous bone fragments.

Bonutti Pm, Cremens Mj, Miller Bg

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Abstract

Autogenous cancellous bone fragments can be compressed rapidly during surgery to create reproducible load-bearing grafts. Of the 32 grafts tested, 10 were constructed of composite cortical-cancellous bovine bone and 22 of cancellous human bone. Compressed composite bovine grafts and compressed human cancellous grafts supported average axial compressive loads of 2148 N and 960 N, respectively. Compared to iliac crest grafts, compression grafts may have better load-bearing capabilities and greater reproducibility. Potential applications include trauma, delayed unions, arthrodesis, and spinal fusions.

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What this paper is about

Autogenous cancellous bone fragments can be compressed rapidly during surgery to create reproducible load-bearing grafts. Of the 32 grafts tested, 10 were constructed of composite cortical-cancellous bovine bone and 22 of cancellous human bone. Compressed composite bovine grafts and compressed human cancellous grafts supported average axial compressive loads of 2148 N and 960 N, respectively. Compared to iliac crest grafts, compression grafts may have better load-bearing capabilities and greater reproducibility. Potential applications include trauma, delayed unions, arthrodesis, and spinal fusions.

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Available abstract

Autogenous cancellous bone fragments can be compressed rapidly during surgery to create reproducible load-bearing grafts. Of the 32 grafts tested, 10 were constructed of composite cortical-cancellous bovine bone and 22 of cancellous human bone. Compressed composite bovine grafts and compressed human cancellous grafts supported average axial compressive loads of 2148 N and 960 N, respectively. Compared to iliac crest grafts, compression grafts may have better load-bearing capabilities and greater reproducibility. Potential applications include trauma, delayed unions, arthrodesis, and spinal fusions.

Key concepts: Cancellous bone, Iliac crest, Medicine, Arthrodesis, Compression (physics), Biomedical engineering, Composite number, Load bearing

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