Method for manufacturing biomedical bone material with concrete characteristic

Abstract

A method for manufacturing biomedical bone material with concrete characteristic includes mixing different sizes of biomedical bones to form bone filler with concrete feature and characteristic. The biomedical bone material thus produced is featured by a solid having particles of different sizes, and a predetermined strength.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is the flow chart of the method for manufacturing a biomedical bone material with concrete characteristic according to the present invention;

FIG. 2 is a schematic view of biomedical bones of different sizes according to the present invention;

FIG. 3 is a schematic view of mixed biomedical bones of different sizes according to the present invention; and

FIG. 4 is the scanned electron microscopic diagram of the mixed biomedical bones of different sizes according to the present invention.

Claims

1. A method for manufacturing a biochemical bone material with concrete characteristic, including: mixing a diluted acid solution and a bone cement, to form a bone cement slurry;mixing multiple fine bones into the bone cement slurry, to for a bone cement mortar, andmixing multiple coarse bones into the bone cement mortar, to form a biochemical bone material with concrete characteristic.

2. The method according to claim 1, wherein the diluted acid solution is diluted phosphoric acid.

3. The method according to claim 1, wherein the bone cement is α,β-phase hemihydrate calcium sulfate.

4. The method according to claim 1, wherein the fine bones are di-hydrate calcium sulfate particles, calcium phosphate-based biomedical glass, biomedical glass-ceramics, biomedical ceramics or PLLA.

5. The method according to claim 1, wherein the fine bones have a particle size smaller than 590 μm.

6. The method according to claim 1, wherein the coarse bones are di-hydrate calcium sulfate particles, calcium phosphate-based biomedical glass, biomedical glass-ceramics, biomedical ceramics or PLLA.

7. The method according to claim 1, wherein the coarse bones have a particle size from 840˜1410 μm.

8. The method according to claim 1, further comprising a step of mixing a special additive to the biomedical bone with concrete characteristic, to form a special biomedical bone material with concrete characteristitibiotic or growth factor.

9. The method according to claim 8, wherein the special additive is antibiotic or growth factor.