| abstract |
The invention discloses a carotid artery 3D printing degradable stent, comprising: a support block, a support rod and a connecting rod, wherein the support rod is arranged inside the support block, and the connecting rod is fixed on the side of the support block; the support block includes an opening In the movable cavity inside the support block, the inner wall of the movable cavity is fixed with a plurality of first locking teeth, the surface of the support block is provided with through holes; the support rod includes a plurality of second locking teeth fixed on the surface of the support rod The present invention provides support for diseased blood vessels immediately after implantation, and effectively inhibits restenosis; at the same time, during the degradation process, the drugs in the drug storage cavity can treat the blood vessels in stages to improve the therapeutic effect, and when the blood vessel repair is completed, The stent is directly and completely degraded to restore the normal physiological function of the blood vessel; through the support block, the support rod and the connecting rod, after being stretched by the balloon, the support block and the support rod undergo plastic deformation, so as to stretch the blood vessel wall and maintain the stretched state , so that the blood circulation can be smooth. |