Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Amir Belson0
Date of Patent
October 10, 2017
0Patent Application Number
141676020
Date Filed
January 29, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Intravenous access is achieved by introducing a catheter over an access needle which is initially present in the catheter. A tapered dilating element is positioned over the needle and provides a transition between the needle and a larger catheter lumen. The access needle is hollow and has a port which allows blood to flash back through a lumen of the catheter so that flashback can be observed on a catheter hub or the catheter itself.
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