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VASCULAR ACCESS DEVICE
专利权人:
Access Scientific; LLC
发明人:
Steven F. Bierman,Richard A. Pluth,Tu Nguyen
申请号:
US14207120
公开号:
US20140276432A1
申请日:
2014.03.12
申请国别(地区):
US
年份:
2014
代理人:
摘要:
An access device for placing a medical article within a body space includes a needle, a dilator, and a sheath. The dilator can be coaxially and slideably disposed about the needle, and the sheath can be coaxially and slideably disposed about the dilator. The access device can further include a inner member coaxially disposed between the needle and dilator. The needle can include a fenestration in fluid communication with a space between the needle and inner member. When the needle punctures a blood vessel, the fenestration allows blood to flow into the space between the needle and inner member to provide a visual indicator to a physician or healthcare professional that the needle is in a vessel.
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