胶乳气囊导尿管球折的研究  

Study of the Bending of the Basic Shaft Inside the Natural Rubber Latex-Made Balloon Catheter

作　　者：李志锋[1] 杨子明[1] 李普旺[1] 

机构地区：[1]中国热带农业科学院农产品加工研究所,湛江524001

出　　处：《高分子通报》2015年第5期50-55,共6页Polymer Bulletin

基　　金：中国热带农业科学院橡胶研究所基本科研业务费专项(No.1630022013019)资助;海南省国际科技合作专项(KJHZ2014-10)资助;湛江市非资助科技攻关计划项目(No.2013B01083)

摘　　要：针对使用充液漏斗向天然胶乳气囊导尿管(以下简称导尿管)气囊注入额定容量空气或无菌水时,气囊内的基础管身因被拉伸变形而产生弯曲(简称球折)的问题进行研究。实验结果表明:工艺上控制导尿管基础管身的直径达到合理值、控制导尿管气囊胶膜单层厚度为0.50~0.65mm、用模数低的硫化配方生产导尿管气囊和导尿管基础管身胶料掺合20份左右MG49天甲胶乳一起硫化或加入30份左右碳酸钙分散体来提高其硬度等,是减少导尿管球折的有效途径。The bending of the basic shaft inside the natural rubber latex-made balloon catheter caused the stretching deformation of the basic shaft which is resulted from the introduction of nominal capacity of air or sterile water into the balloon using charging funnel was investigated.The experimental results showed that,the control of the basic shaft diameter of the catheter to a rational value,the control of the single-layer thickness of balloon film from 0.50 to 0.65 mm,the using of low-modulus prevulcanization formula,and the using of prevulcanized blend of natural rubber latex concentrate and 20 phr of MG 49 latex as the basic shaft compound or incorporation of 30 phr of calcium carbonate into the compound for the basic shaft to increased to hardness of the shaft are effective methods to reduce the bending of the basic shaft of natural rubber latex-made balloon catheter.

关 键 词：天然乳胶 气囊 导尿管 球折 

分 类 号：R472[医药卫生—护理学]