| 摘要 |
A stent is formed of a body member arranged in a cylindrical shape for forming the stent to be placed in a body lumen, at least one hollow portion with at least one open surface formed in the body member, and a medically treating material disposed in the hollow portion. The medically treating material held in the hollow portion is gradually released through the open surface to treat a portion where the stent is disposed for a desired term.
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