A connector that links a patient to a device that collects or administers gases or liquids. It consists of a wide base onto which is mounted a cylinder with progressively smaller external threading (and looks a little like the tapering trunk of an evergreen tree). Christmas tree adapters are used to drain body fluids (for example by serving as connectors from indwelling urinary catheters to collection systems) or to administer medications (such as radiological contrast) or medical gases (such as oxygen).
When administering oxygen to a patient, all connectors used are green. Health care providers should confirm this color on the source of the gas and on all patient connections to avoid giving the wrong gas to the patient.
Christmas tree adapter
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Venes, Donald, editor. "Christmas Tree Adapter." Taber's Medical Dictionary, 23rd ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/757670/all/Christmas_tree_adapter.
Christmas tree adapter. In: Venes D, ed. Taber's Medical Dictionary. 23rd ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/757670/all/Christmas_tree_adapter. Accessed November 21, 2019.
Christmas tree adapter. (2017). In Venes, D. (Ed.), Taber's Medical Dictionary. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/757670/all/Christmas_tree_adapter
Christmas Tree Adapter [Internet]. In: Venes D, editors. Taber's Medical Dictionary. F.A. Davis Company; 2017. [cited 2019 November 21]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/757670/all/Christmas_tree_adapter.
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