Bone replacement material

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone

Reexamination Certificate

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Details

C623S017110, C623S023730, C606S092000

Reexamination Certificate

active

10457484

ABSTRACT:
A bone replacement material for use in a treatment for repairing a vertebral body compression fracture is formed into a pellet having a roughly polyhedral shape. Each pellet having the roughly polyhedral shape has a pair of opposite surfaces, in which one of the opposite surfaces is inclined with respect to the other surface for a predetermined angle. The angle is preferably in the range of 10 to 60°. Further, the volume of each pellet of the bone replacement material1is in the range of 13 to 239 mm3. Furthermore, the bone replacement material is formed of calcium phosphate based compound having the Ca/P ratio of 1.0 to 2.0. By using such a bone replacement material, it is possible to carry out packing operation of the bone replacement material into a collapsed vertebral body smoothly, reliably and safely.

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Database WPI Derwent Publication Ltd., London XP002347348.
Database WPI Derwent Publication Ltd., London XP002347349.

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