Method for treating articular cartilage defect and magnetic focusing instrument used in method
A technology of articular cartilage and magnetic focusing, applied in treatment, magnetic therapy, electrotherapy, etc., can solve problems such as synovial hyperplasia, and achieve the effect of easy control, simple operation, and simple structure
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[0020] A kind of method for the treatment of articular cartilage defect of the present embodiment, comprises the following steps:
[0021] a, Prepopulated stem cells were labeled with superparamagnetic iron oxide (SPIO) to make them magnetic;
[0022] b, using a magnetic resonance scanner to scan the joint to determine the cartilage defect site, this embodiment uses a 1.5T MRI scanner for joint scanning;
[0023] c, The SPIO-labeled stem cells were injected into the joint cavity with cartilage defect; the SPIO-labeled stem cells were driven from different directions by external magnetic force, so that they could reach the articular cartilage defect accurately.
[0024] The invention utilizes the magnetic properties of the SPIO-labeled stem cells, so that the magnetic force in different directions interacts with the SPIO to control the transfer route of the stem cells, so that they can be accurately transplanted to the cartilage defect position to achieve the purpose of treatme...
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