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MITRAL VALVE DELIVERY DEVICE
专利权人:
Cardiology Division; Inc.;St. Jude Medical
发明人:
Brian Joseph Perszyk
申请号:
US15592737
公开号:
US20170325954A1
申请日:
2017.05.11
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A delivery device for a collapsible prosthetic heart valve may include a catheter assembly and an operating handle. The catheter assembly may include an inner shaft around which a compartment is defined, and a distal sheath having proximal and distal segments configured to enclose the compartment. The operating handle may include a first lead screw fixedly coupled to the proximal segment, a second lead screw coupled to the distal segment, a knob rotatable relative to a housing of the operating handle and threadedly engaged with the first lead screw, and a coupling assembly. The coupling assembly may have a first condition in which rotation of the knob in one direction moves the first lead screw but not the second lead screw, and a second condition in which rotation of the knob in the one direction simultaneously moves the first lead screw and the second lead screw.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
相关发明人
christian rossby
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