Cement-directing orthopedic implants

Details Cement-directing orthopedic implants Cement-directing orthopedic implants

2005-04-14

2008-12-16

Robert, Eduardo C (Department: 3733)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

C606S092000

Reexamination Certificate

active

07465318

ABSTRACT:
A cement-directing structure for use in cement-injection bone therapy includes a collapsible, self-restoring braided structure with regions of differential permeability to the bone cement. The regions of differential permeability may be provided by areas where the braided mesh density is greater or lesser than surrounding areas and/or by means of a baffle. After the structure is placed in a void within a bony structure, cement is injected into the interior of the structure then oozes out in preferred directions according to the locations of the regions of differential permeability.

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