一种人工心肺机体外循环管道

Artificial heart-lung machine extracorporeal circulation pipeline

Abstract

本发明涉及一种人工心肺机体外循环管道,其所用原料由聚氯乙烯树脂、增塑剂、稳定剂、润滑剂组成,原料中具体组份含量(质量)为:聚氯乙烯树脂100份、环己烷1,2-二甲酸二异壬基酯增塑剂30~60份、有机锡或钙锌稳定剂0.5~5份、环氧大豆油稳定剂5~10份、润滑剂0.2~5份。将上述各种原料混合均匀,然后在双螺杆挤出造粒机中造粒,得到的聚氯乙烯复合料,而后直接在十万级净化车间内的注塑机、挤出机上进行成型,得到制品。所得制品色泽均匀,外观良好,检验合格。满足心肺转流系统人工心肺机体外循环管道系列产品要求。
The invention relates to an artificial heart-lung machine extracorporeal circulation pipeline. The artificial heart-lung machine extracorporeal circulation pipeline is prepared from the following raw materials in parts by mass: 100 parts of poly vinyl chloride resin, 30-60 parts of 1,2-cyclohexanedimethanoicacid and diisononyl ester plasticizer, 0.5-5 parts of organic tin or calcium zinc stabilizer, 5-10 parts of epoxidized soybean oil stabilizer and 0.2-5 parts of lubricating agent. A preparation method of the artificial heart-lung machine extracorporeal circulation pipeline comprises the following steps: uniformly mixing the raw materials, then pelletizing the mixture in a double screw extrusion pelletizing machine to obtain a polyvinyl chloride composite material, and then directly moulding the polyvinyl chloride composite material on an injection moulding machine and an extruding machine in a 100000-degree purification workshop, thereby obtaining the artificial heart-lung machine extracorporeal circulation pipeline product. The obtained artificial heart-lung machine extracorporeal circulation pipeline product is uniform in colour and lustre, good in appearance and qualified; requirements of artificial heart-lung machine extracorporeal circulation pipeline series products are met.

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