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先进的超声导管切割技术 - China Medical Device Manufacturer
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Fri, January 19th, 2018

2010年3月CMDM电子快讯 » 技术新知
先进的超声导管切割技术

关注2000年美国总统大选的人都知道,带有悬挂孔屑的选票可造成极大的烦扰。如果这些孔屑在泌尿道导管上摆动,还可给患者带来严重后果。当导管在生产过程中被切断时,其废料或者孔屑可能无法完全清除、或者虽然清除但仍残留在导管内。如果在制造过程中没有检测出孔屑,则它会继续移行至患者体内。位于英国莱奇沃思花园城的Rainbow Medical Engineering Ltd公司推出的超声导管切割系统采用一种防止孔屑残留在成品上的安全装置,因而可形成无毛刺的边缘。

为患者治疗时,如果器械损伤了患者的组织或者使细菌或异物进入体内,则导尿管的效能和安全性都会受到影响。Rainbow Medical公司的数据显示,44%的尿管留置患者在导管插入术72小时内出现细菌感染。

感染的部位是损伤组织,或者是由细菌结壳引起的,而造成损伤或结壳的原因是导管口边缘的毛刺,这是典型的机械切割仪器缺陷所致。据公司称,Rainbow Medical的超声切割系统可在管口形成明显比传统切割系统更平滑且不带毛刺的边缘。

该切割技术利用真空装置收集孔屑后,孔屑会通过电子计数器。如果检测到异常,系统会自动停止处理,直到不合格导管移开后方可继续生产。

该技术已为欧洲和亚太地区的多家制造商所采用。据制造商称,其生产和质量都超过了所有客户的预期。

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