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Reduction of recirculation in catheters
专利权人:
Attilio E. Difiore
发明人:
Attilio E. Difiore,Daniel J. Triplett
申请号:
US13329166
公开号:
US08920404B2
申请日:
2011.12.16
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A catheter tip designed to reduce the outflow velocity and/or directional momentum of fluid being infused by a catheter having such a tip. In one variation, a plurality of channels is provided at the distal portion of the catheter to increase the outflow cross-sectional area. In another variation, the diameter of the catheter at its distal portion where the fluid exits is increased. In yet another variation, a bullet-shaped nose is implemented which may decrease turbulence at the distal end of catheter tip. The low velocity outflow catheter tip may also be implemented on a dual lumen catheter, such as a hemodialysis catheter, to reduce recirculation rate. Various device configurations and methods for such implementations are also disclosed.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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