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Access device
专利权人:
Janelle Anderson
发明人:
Janelle Anderson,Michael Tal,Steven F. Bierman
申请号:
US12106119
公开号:
US08192402B2
申请日:
2008.04.18
申请国别(地区):
US
年份:
2012
代理人:
摘要:
An access device places a medical article within a body space of a patient. The device has a needle that includes a needle body and hub. The device further includes a dilator coaxially disposed and slideable over the needle body and a medical article. A viewing space is disposed between the dilator and the medical article with at least one passageway or conduit connecting the viewing space with the interior bore of the needle body. The passageway is defined at least in part by openings through the sides of the needle and dilator. At least a portion of the conduit or passageway can be defined by one or more grooves between the needle and dilator. The device can further include a guidewire and an interlock between the guidewire and the needle and/or dilator. The device can further include one or more stops disposed between the guidewire and the needle and/or dilator to limit the extent to which the guidewire can be moved (e.g., advanced) relative to the needle or inhibit such relative movement (e.g., backwards movement).
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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