A kind of natural inorganic bone matrix and preparation method thereof
A bone matrix and inorganic technology, which is applied in the field of natural inorganic bone matrix and its preparation, can solve the problems of patients' postoperative quality of life, insufficient porosity, insufficient strength, etc., and achieves no immune rejection, low mechanical strength, sufficient The effect of mechanical strength
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Embodiment 1
[0032] Embodiment 1, the preparation of natural inorganic bone matrix
[0033] 1. Preparation of natural inorganic bone matrix
[0034] 1. Preparation of spongy bone
[0035] (1) Collect fresh long bones of pigs that have just been slaughtered from standardized management slaughterhouses, avoid contact with pollutants as much as possible, and freeze them immediately after collection.
[0036] (2) The long bone obtained in step (1) is thawed and fully cleaned, the cancellous bone is cut out, and then the cancellous bone is cut into a form that is easy to handle, and the surface attachments are washed away.
[0037] 2. Preparation of natural inorganic bone matrix
[0038] (1) Decellularization treatment
[0039] Treat spongy bone with a surfactant solution soak.
[0040] The purpose of this step is to destroy the cell membrane structure, break and dissolve the cells, and remove most of the fat and fat-soluble impurities in the bone tissue.
[0041]Specific steps: Soak in 0....
Embodiment 2
[0076] Embodiment 2, the preparation of natural inorganic bone matrix
[0077] 1. Preparation of spongy bone
[0078] (1) Collect fresh long bones of cattle that have just been slaughtered from standardized management slaughterhouses, avoid contact with pollutants as much as possible, and freeze them immediately after collection.
[0079] (2) The long bone obtained in step (1) is thawed and fully cleaned, the cancellous bone is cut out, and then the cancellous bone is cut into a form that is easy to handle, and the surface attachments are washed away.
[0080] 2. Preparation of natural inorganic bone matrix
[0081] (1) Decellularization treatment
[0082] Treat spongy bone with a surfactant solution soak.
[0083] Specific steps: Soak in 2g / 100ml Tween-80 aqueous solution at 28±2°C for 5 hours, then wash with water.
[0084] (2) The first alkali treatment
[0085] The product of step (1) is soaked in an alkaline solution.
[0086] Specific steps: Use 1M KOH aqueous solu...
Embodiment 3
[0106] Embodiment 3, the preparation of natural inorganic bone matrix
[0107] 1. Preparation of spongy bone
[0108] (1) Collect fresh long bones of pigs that have just been slaughtered from standardized management slaughterhouses, avoid contact with pollutants as much as possible, and freeze them immediately after collection.
[0109] (2) The long bone obtained in step (1) is thawed and fully cleaned, the cancellous bone is cut out, and then the cancellous bone is cut into a form that is easy to handle, and the surface attachments are washed away.
[0110] 2. Preparation of natural inorganic bone matrix
[0111] (1) Decellularization treatment
[0112] Treat spongy bone with a surfactant solution soak.
[0113] Specific steps: Soak in 1g / 100ml Tween-80 aqueous solution at 6±2°C for 168 hours, then wash with water.
[0114] (2) The first alkali treatment
[0115] The product of step (1) is soaked in an alkaline solution.
[0116] Specific steps: Use 0.5M NaOH aqueous so...
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