Gradient cross linking and modifying type durable prosthetic biological valve and preparation method thereof

The invention belongs to the field of medical equipment, and relates to a gradient cross linking and modifying type durable prosthetic biological valve and a preparation method thereof. According to the preparation method, a compound chemical modification and gradient immersing manner is mainly adop...

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Bibliographische Detailangaben
Hauptverfasser:	LUO QIYI, LI YU, LE CHENGJUN, LIU XIANG, WANG YUNLEI, LIN SHAOYE, CHEN DAKAI, CHEN CHENG, CHEN GUOMING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HUMAN NECESSITIES HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL
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Beschreibung
Zusammenfassung:	The invention belongs to the field of medical equipment, and relates to a gradient cross linking and modifying type durable prosthetic biological valve and a preparation method thereof. According to the preparation method, a compound chemical modification and gradient immersing manner is mainly adopted to taw pericardium material so as to prepare the gradient cross linking and modifying type durable prosthetic biological valve during the chemical modification process of the prosthetic biological valve, and the performance attenuation caused by chemical modification saturation can be avoided so as to prevent calcification. Therefore, the service life of the biological valve can be prolonged.