Composite structure suitable for use as a bone plate and method

Details Composite structure suitable for use as a bone plate and method Composite structure suitable for use as a bone plate and method

1994-10-14

1996-09-17

Withers, James

Stock material or miscellaneous articles

Structurally defined web or sheet

Including grain, strips, or filamentary elements in...

156148, 156177, 156182, 428136, 428257, 428902, 623 17, 623901, 87 8, 87 9, A61F 244, B32B 512, B32B 2902, D04C 100

Patent

active

055566871

ABSTRACT:
A method of forming a composite structure comprises the steps of forming a radially inner portion of a preform with braided reinforcing fibers extending substantially transverse to an axis of the preform and forming a radially outer portion of the preform circumscribing the inner portion with braided reinforcing fibers extending substantially parallel to the axis of the preform. The preform is heated and consolidated in a mold into the composite structure. The composite structure has braided reinforcing fibers extending throughout a radially inner portion substantially transverse to an axis of the structure along which the structure is subject to splitting to resist splitting of the composite structure along the axis and braided reinforcing fibers extending throughout a radially outer portion substantially parallel to the axis to resist bending of the composite structure. The composite structure is particularly suitable for manufacturing a bone plate.

REFERENCES:
patent: 4657795 (1987-04-01), Foret
patent: 4696290 (1987-09-01), Steffee
patent: 4743260 (1988-05-01), Burton
patent: 4828285 (1989-05-01), Foret et al.
patent: 5092893 (1992-03-01), Smith
patent: 5143669 (1992-09-01), Mott
patent: 5294391 (1994-03-01), McMillin
Composites, vol. 20., No. 6., Nov., 1989, Accelerated Testing Of A Composite Spine Plate, pp. 569-574.

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