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morrisod
CVC flush technique

8 years ago we switched our IV connector to ICU medical Microclave. We were instructed several times over that because it is a "neutral connector" there was no need to clamp the catheter to prevent blood backup. The "dedicated" pathway in the connector facilitates the flush solution to go forward.
However,
I was told by a new educator at my hospital today that we need to clamp before removing the syringe if the CVC offers a clamp. This is new to me.
I would welcome any clarification on this matter.
thank you

lynncrni
 The sequence of

 The sequence of disconnecting and clamping the line when using a neutral displacement NC is not required for the NC to function correctly. This is because it is a neutral displacement device. A negative and positive  displacement NC requires a very specific sequence for disconnecting and clamping. But all VADs should be clamped after their use. Many times the NC can be accidentally separated from the catheter hub exposing the patient to venous air embolism for a CVAD. 

Negative displacement NC - flush, clamp, then disconnect syringe

Positive displacement NC - flush, disconnect, allow the displacement mechanism to push fluid to the cathetrer tip and then clamp. 

Neutral displacement NC can be disconnected and clamped in an sequence. 

But final clamping is necessary IMHO regardless of what type of needleless connector is being used. 

Lynn

Lynn Hadaway, M.Ed., RN, NPD-BC, CRNI

Lynn Hadaway Associates, Inc.

PO Box 10

Milner, GA 30257

Website http://www.hadawayassociates.com

Office Phone 770-358-7861

bartina
microclave

As Lynn said, clamping is essential for safety. We continue to use Microclave. Once a sales rep, trying to sell another product, demonstrated a tiny amount of reflux with the Microclave. I was able to reproduce it. I clamp, then disconnect from Microclave. I used to wonder why I saw blood in extension tubings capped with a "positive" connector. My Max Plus Rep explained that the positive connector pushes back when the syringe is disconnected but does not maintain the pushback. Just my personal experience.

Nancy Rose 

kev1999
test reply for web site updates

test reply #1

Kevin Arnold RN, MSN

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