Drug coating balloon stent and preparation method thereof
The invention belongs to the technical field of medical instruments, and discloses a drug coating balloon stent and a preparation method thereof. The drug coating balloon stent comprises a catheter, a balloon and a stent body, the balloon is connected with the catheter, the catheter can be used for...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention belongs to the technical field of medical instruments, and discloses a drug coating balloon stent and a preparation method thereof. The drug coating balloon stent comprises a catheter, a balloon and a stent body, the balloon is connected with the catheter, the catheter can be used for pressurizing or conveying a guide wire, the stent body wraps the balloon and is integrally connected with the catheter, the stent body and the catheter are not separated before and after use, and immunological rejection caused by foreign matter residues in blood vessels after use is avoided; the balloon is provided with the medicine part exposed out of the hollow area of the stent after being pressurized, the medicine coating is only arranged on the outer surface of the medicine part, and the medicine coating can be completely exposed out and act on the blood vessel wall, so that the medicine content is effectively saved, the medicine utilization rate is increased, medicine residues in blood are greatly reduced, an |
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