PMMA material introduction
Comparison of various repair materials
Product advantages
Product packaging and operation steps
PMMA material introduction
Polymethyl methacrylate (PMMA) is a polymer obtained from acrylic acid and its ester polymers and is collectively referred to as acrylic resin.
| Test items | Test result | Test conclusion | ||||||||||||||||||||||||||||||
| Cytotoxicity test |
Test results
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Conform | ||||||||||||||||||||||||||||||
| Subchronic systemic toxicity test | test results: Clinical observation: Clinical toxicity symptoms (local and systemic) were observed in all test animals. Visual observation: There were no abnormal changes in the main cavity of the heart, lung, spleen, adrenal gland, intestine, and gonads of the control group. Histopathological observation: Compared with the control group, there were no obvious pathological changes in 39 organs such as heart, liver, spleen, lung and kidney in the test group. Hematology examination: Among the 12 blood routine indexes, compared with the control group, there was no statistical difference in the indexes of the test group. Among the 22 blood routine indicators, compared with the control group, the white ball ratio of the test group increased, but there was no obvious biological significance. There was no statistical difference in other indexes of the test article group. |
Conform | ||||||||||||||||||||||||||||||
| Bone implantation week (1, 4, 12, 26 weeks) |
Histological observation
|
Conform | ||||||||||||||||||||||||||||||
| Test results | The inspected items of the tested samples meet the requirements of the Italian Tecres S.p.A. company bone cement YZB/IT-TEC01-46-2010 standard. |
Comparison of various repair materials
| PMMA | Hydroxyapatite | Polyetheretherketone | Titanium mesh | |
| Ductility | High | Low | Low | Low |
| Mechanical strength | High | Low | High | High |
| Histocompatibility | High | High | High | Low |
| C |