Care and Maintenance to Reduce Vascular Access Complications
Care and Maintenance to Reduce Vascular Access Complications
Care and Maintenance to Reduce Vascular Access Complications
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Nursing Best Practice GuidelineAppendix E: Groshong ® Valve FunctionThe Groshong ® catheter has a rounded, closed catheter tip that incorporates a three-way valve. Thispressure sensitive valve remains closed during normal vena cava pressure. Applying negative pressure(aspirating) allows the valve <strong>to</strong> open inward <strong>and</strong> infusing fluids creates positive pressure in<strong>to</strong> the catheter<strong>and</strong> forces the valve <strong>to</strong> open outward.Blood Flows in<strong>to</strong> catheterfrom venous systemInfusate Flows <strong>to</strong>venous systemCatheter not in use(locked, capped)Aspirating Infusing Closed (Neutral)Illustrated by: Nancy A. Bauer, BA, Bus. Admin, RN, ET.69
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