TUBES AND THEIR MANUFACTURE

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专利权人:

Smiths Medical International Limited

发明人:

BATEMAN, Timothy,FIELD, Stephen James

申请号：

EP16763301

公开号：

EP3349833A1

申请日:

2016.08.26

申请国别(地区):

EP

年份:

2018

代理人:

摘要：

The inner cannula (3) of a tracheostomy tube includes a shaft (30) extruded of an ePTFE material. The axial strength of the shaft is increased by heating elongate portions (34 and 35) along the shaft such as by contact with a heated roller (205). The heating is sufficient to alter the structure of the material and make the heated portions (34 and 35) more rigid than the remainder of the shaft.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/