Protein tyrosine kinases are responsible for the phosphorylation of tyrosine residues in proteins, which play important roles in cell growth, proliferation, differentiation and apoptosis. Over expression or activation of tyrosine kinase receptor will lead to cell mediated disorder, abnormal activation of intra-cellular signaling, cell transformation, constantly proliferation, resistance to apoptosis, and even tumors. Moreover, it [...]
The total knee arthroplasty technique was proposed in 1860 by Verneil at first, but at that time as a result of surgery reasons and so on technical level, material, particularly few of the mature fundamental research supporting, surgery’s success ratio was extremely low. The TKA technique have made great strides as the result of hinge [...]
The total knee arthroplasty technique was proposed in 1860 by Verneil at first, but at that time as a result of surgery reasons and so on technical level, material, particularly few of the mature fundamental research supporting, surgery’s success ratio was extremely low. The TKA technique have made great strides as the result of hinge [...]
The total knee arthroplasty technique was proposed in 1860 by Verneil at first, but at that time as a result of surgery reasons and so on technical level, material, particularly few of the mature fundamental research supporting, surgery’s success ratio was extremely low. The TKA technique have made great strides as the result of hinge [...]
The total knee arthroplasty technique was proposed in 1860 by Verneil at first, but at that time as a result of surgery reasons and so on technical level, material, particularly few of the mature fundamental research supporting, surgery’s success ratio was extremely low. The TKA technique have made great strides as the result of hinge [...]
The total knee arthroplasty technique was proposed in 1860 by Verneil at first, but at that time as a result of surgery reasons and so on technical level, material, particularly few of the mature fundamental research supporting, surgery’s success ratio was extremely low. The TKA technique have made great strides as the result of hinge [...]
The 21st century is a Hi-tech era. As the development of the society and the improvement of living conditions, People pay more attention to life and health. The demand for digital medical equipments dramatically increased. China has become the third biggest digital medical equipments market in the world right after US and Japan. High-end medical [...]
Objective:To clarify the effect of the diameter of central hole and distribution of radial holes in novel cannulated pedicle screw on the mechanical strength of pedicle screw. And then to explore the biomechanical stability of cannulated pedicle screw in spinal vertebrae with osteoporosis.Methods:Set up the three-dimensional finite element models of simplified solid pedicle screw and [...]
Objective:To clarify the effect of the diameter of central hole and distribution of radial holes in novel cannulated pedicle screw on the mechanical strength of pedicle screw. And then to explore the biomechanical stability of cannulated pedicle screw in spinal vertebrae with osteoporosis.Methods:Set up the three-dimensional finite element models of simplified solid pedicle screw and [...]
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