Medical inflation and curing bone-forming agent for strengthening vertebral body
A technology of expansion agent and curing agent, applied in the direction of prosthesis, medical science, etc., can solve the problems affecting the long-term stability of vertebral body reinforcement, insufficient bone cement dosage, and decrease in fixation strength, achieve good bone conduction performance, prevent vertebral body Collapse, the effect of reducing the likelihood
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Embodiment 1
[0017] The consumption of expansion agent is 10%, the consumption of curing agent is 40%, the consumption of bone forming agent is 30%, and the consumption of distilled water is 20%.
Embodiment 2
[0019] The consumption of expansion agent is 15%, the consumption of curing agent is 35%, the consumption of bone forming agent is 30%, and the consumption of distilled water is 20%.
Embodiment 3
[0021] The consumption of expansion agent is 20%, the consumption of curing agent is 35%, the consumption of bone forming agent is 30%, and the consumption of distilled water is 15%.
[0022] In the foregoing embodiments, the expansion agent is composed of the following raw materials in parts by weight:
[0023] Take calcium sulfoaluminate powder: 600 parts, calcium sulfate powder: 1100 parts, calcium oxide powder: 350 parts and mix them evenly for use; choose calcium phosphate bone cement or calcium sulfate bone cement as the curing agent; choose hydroxyapatite as the bone forming agent.
[0024] The vertebral body strengthening medical expansion and solidification bone forming agent made in this embodiment will form ettringite, that is, calcium sulfoaluminate hydrate, after the expansion agent is mixed with water, and produce volume expansion, and its reaction is as follows:
[0025] C 4 A 3 S+8CaSO 4 +6CaO+96H 2 O→3C 3 A·3CaSO 4 32H 2 o
[0026] The volume change of...
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