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Medical Delivery Devices Having Low Lubricant Syringe Barrels
专利权人:
W.L. Gore &; Associates; Inc.
发明人:
Michael C. Berg,Daniel H. Todd,Eric J. Van Voorhees
申请号:
US16600609
公开号:
US20200054834A1
申请日:
2019.10.14
申请国别(地区):
US
年份:
2020
代理人:
摘要:
The present disclosure relates to medical delivery devices that include a barrel having an inner surface, and in at least one embodiment, the inner surface is hydrophilic. The medical delivery device may further include a stopper may having an elastomeric body, one or more fluoropolymer layers, and two or more ribs laminated to the one or more fluoropolymer layers. In some embodiments, the contact angle of the inner surface of the barrel is less than about 58°. Additionally, the stopper includes a sliding surface that is less than about 2.0 mm. The barrel provides inner surface that in combination with the fluoropolymer laminate or fluoropolymer film achieve high levels of air and liquid impermeability while also maintaining an acceptably low break loose force, low average glide force, and low glide force variation. In some embodiments, the compressibility stopper against the barrel is greater than about 7.9%.
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中国工程科技知识中心
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http://www.ckcest.cn/home/

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