| abstract |
Catheter assemblies according to the present invention include a tip protector, a valve and a valve opener, optionally with a needle wiper. The valve opener is disposed in a catheter hub and is configured to be in fluid communication with the intravenous injection set air connector (IV) for opening of the valve to allow fluids or other solution to pass through the catheter after successful catheterization. set luer connector. The tip protector is configured to seal the needle tip to prevent an accident that the needle is stuck. A wiper is optionally included to wipe out the blood remaining in the needle when the needle exits the catheter. |