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Baxter interlink injection cap and blue threaded lock cannula

We have recently switched from CLC 2000 cap to interlink injection cap on all CVCs and peripheral IVs.  There have been several cases of line disconnections at the connection of  blue threaded lock cannula to interlink extension tubing, resulting in patient blood loss.  Has any one experienced this when using these products?  I work in  peds heme/onc and IV lines tend to be loaded with three to four lines all hooked to a trifuse attached to  each lumen of CVC.  Double lumen catheters may have up to six lines attached to lumen.  I am not sure if the weight and twisting of the lines in very active children may have contributed to these cases of disconnection.  Any thoughts would be appreciated.

Halle Utter
I haven't used the Interlink
I haven't used the Interlink system in a while, but do remember this happening. I think it's because there is torque on the tubings when you twist them together, and over time they can come unscrewed.  We used to tape the connection to avoid this.  I'm not sure why it doesn't happen with all the screw on needleless connectors, but it doesn't seem to be an issue.  I remember having the same problem with the interlink...taping worked.  

Hallene E Utter, RN, BSN Intravenous Care, INC

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