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近端强化管件为导管制造商带来了良好的前景 - China Medical Device Manufacturer
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Wed, January 17th, 2018

2010年7月CMDM电子快讯 » 技术新知
近端强化管件为导管制造商带来了良好的前景

Polymedex (www.polymedexgroup.com)推出了一款近端强化而远端非强化的定制导管。相比常用来制造器械两端特性相同的导管的人工手糊成型而言,装配公司的制造技术(包括整合挤压、电线缠绕和焊接)能提供更高的产量和更小的过程差异。

如今的微创器械需要采用精制材料,这些材料可能相互对立。完全强化的导管其远端可能缺乏弹性。非强化的管件近端则可能出现硬度不足。管件近端嵌入的不锈钢线可以提升推送性、扭矩传递和抗扭结性能,而远端仍可保持弹性、透明光亮,且可透过X线。

前面提及的手糊成型方法利用粘合剂、热缩、退火及其它手工技术制造具有上述特性的器械。但该方法会出现较大的差异,难以达到确认的过程生产,且产量少于预期。据器械装配主管Dennis Cherok称,相反,Polymedex的整合过程能获得高产量,且具有长期生产稳定性。

可以提供各种直径的近端强化导管,从适合神经血管应用到适用于胃肠道和其它自然腔道器械的25.4 mm皆可。强化方案包括通过编织线提供扭矩传递和利用线圈优化抗扭结性能。

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