| 摘要 |
A stent which has been subjected to a first treatment so that after it has been located at the target area within a patient and subjected to a further treatment causes the stent to become radioactive. To reduce incidence of restenosis. According to a first aspect of the invention, the stent is coated with an antigen or antibody and a radioactive antibody or antigen respectively is introduced into the bloodstream to bind to the stent coating and thus make it radioactive. According to a second aspect, the stent is rendered magnetic and a radioactive and magnetic substance is introduced into the bloodstream to bind to the stent. |
