FLUID CONVEYANCE SAFETY DEVICES, METHODS, AND SYSTEMS

The disclosed subject matter includes a structure and method for making a dual-lumen needle from single lumen needles to take advantage of the much higher economies of scale. Variations include two needles joined by a flow junction and one needle and a single cannula joined by a flow junction. In ad...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BURBANK JEFFREY H, BRUGGER JAMES M, TURK JOSEPH E
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The disclosed subject matter includes a structure and method for making a dual-lumen needle from single lumen needles to take advantage of the much higher economies of scale. Variations include two needles joined by a flow junction and one needle and a single cannula joined by a flow junction. In addition disclosed are methods of using a dual-lumen needle in a two needle access for blood treatment is disclosed in which at least venous flow is provided through a dual-lumen needle with arterial flow just sufficient to provide air infiltration detection in the event of withdrawal of the dual-lumen needle.