| http://www.w3.org/ns/prov#value | - The device facilitates the healing of structural bone defects whose gross structure, composed of a biodegradable polymer such as polylactic acid, is in the form of partially enclosed, interconnected, randomly positioned and randomly sized and shaped voids; each void connecting with the others and communicating with the exterior of the body (quoted portion from U.S. Pat. No. 4,186,448).
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