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A bone recuperating drilling device includes a trephine in the form of a tube designed to be driven in rotation, open at both ends and provided with teeth on the periphery of its front opening. The trephine is internally equipped with a bone crushing blade which has one end provided with cutting edg

A bone recuperating drilling device includes a trephine in the form of a tube designed to be driven in rotation, open at both ends and provided with teeth on the periphery of its front opening. The trephine is internally equipped with a bone crushing blade which has one end provided with cutting edges extending substantially in the plane of the trephine front opening.

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1. A bone recuperating drilling device comprising:a trephine in the form of a tube designed to be driven in rotation, open at both ends and provided with teeth on the periphery of its front opening; and a bone crushing blade internal to said trephine, said bone crushing blade is fixed in rotation wi

1. A bone recuperating drilling device comprising:a trephine in the form of a tube designed to be driven in rotation, open at both ends and provided with teeth on the periphery of its front opening; and a bone crushing blade internal to said trephine, said bone crushing blade is fixed in rotation with said trephine and has one end provided with cutting edges, said cutting edges extend substantially in the plane of the front opening of the trephine so that the bone crushing blade and the trephine are adapted to operate simultaneously in order that a core sample extracted by said trephine is immediately crushed by said blade and a crushed bone progressively fills said trephine. 2. The drilling device according to claim 1, wherein the blade extends longitudinally along a longitudinal axis of the trephine.3. The drilling device according to claim 1, wherein said blade is part of a cutter adapted to be removably mounted on the trephine and including a rotation stem, at the end of which the trephine is mounted, fastened to said blade, and extending in an opposite direction thereto.4. The drilling device according to claim 3, wherein said stem has an internal irrigation bore over the whole of its length.5. The drilling device according to claim 4, wherein said blade has a U-shape with a median opening, said internal irrigation bore of the stem extending into an interior of said median opening.6. The drilling device according to claim 3, wherein the trephine is removably mounted on the cutter by pin means.7. The drilling device according to claim 3, wherein the trephine is removably mounted on the cutter by bayonet means.8. The drilling device according to claim 3, wherein the trephine is removably mounted on the cutter by clip means.9. The drilling device according to claim 3, wherein the trephine is removably mounted on the cutter by screw means.10. The drilling device according to claim 1, wherein said blade includes a spike centered between two of said cutting edges and extending to an exterior of the trephine to guide the trephine during drilling.11. The drilling device according to claim 1, wherein said blade extends longitudinally and globally transversely to the longitudinal axis of the trephine.12. The drilling device according to claim 11, wherein said blade is in one piece with the trephine.13. The drilling device according to claim 1, wherein the trephine includes irrigation bores, such as slots or perforations, in the vicinity of its rear end.14. A bone recuperating drilling device, comprising:a cylindrical trephine structured and arranged to be driven in rotation, said trephine being open at first and second ends and having a plurality of teeth on a periphery of said first end, said second end having at least one female mounting member; and a cutting member having a bone crushing blade extending within said trephine, a distal end of said blade having cutting edges that extend substantially in a same plane as said first end of said trephine, said cutting member having at least one male mounting member immediately adjacent a proximal end of said blade and releasably engaging said at least one female mounting member. 15. The drilling device according to claim 14, wherein said blade is U-shaped with legs of the U being at the proximal end of said blade.16. The drilling device according to claim 14, wherein said trephine comprises irrigation bores adjacent said second end.17. The drilling device according to claim 16, wherein said bores are one of slots and perforations.18. A bone recuperating drilling device, comprising:a cylindrical trephine structured and arranged to be driven in rotation, said trephine being open at first and second ends and having a plurality of teeth on a periphery of said first end; and a bone crushing blade internal to said trephine and fixed in rotation with said trephine, a distal end of said blade having two cutting edges that extend substantially in a same plane as said first end of said trephine.