Implants and methods for treating bone
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Abstract
This invention relates to biomedical implants for filling, supporting or treating bone. In one embodiment, the implant comprises an electrospun polymer scaffold that is thereafter plated with a metal to provide a selected high modulus. Such an implant can be fabricated with a selected porosity for tissue ingrowth. The implant can be further provided with a varied modulus along the length of the implant body for inducing bending of the implant for packing in a bone. In another embodiment, the implant is fabricated in an elongated configuration for introducing into bone to treat a vertebral fracture. In another embodiment, the implant can be configured with helical threads for helically driving the implant into a bone.
214 Citations
49 Claims
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1-34. -34. (canceled)
- 35. A bone implant comprising an elongate member extending along an axis, the member having alternating first non-deformable axial regions and second intermediate axial regions that are at least one of deformable, fracturable and separable.
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43. A method of making a bone implant, comprising the steps of:
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(a) metal injection molding an elongate member that includes distributed sacrificial portions; and
(b) sacrificing the sacrificial portions thereby providing a porous monolith. - View Dependent Claims (44, 45, 46, 47, 48, 49)
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Specification