| 摘要 |
<p>This invention is a method and apparatus for intravascular radiotherapy for prevention of stenosis following angioplasty or other trauma to coronary arteries (30) caused by smooth muscle cell hyperplasia in which a uniform dosage of radiation is delivered to the walls of the artery (30) by positively positioning a radioactive source at the radial center of the artery (30) being treated.</p> |
