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A patient-controlled analgesia infusion pump, configured for intravenous administration of morphine for postoperative analgesia. In a hospital setting, an intravenous PCA (IV PCA) refers to an electronically controlled infusion pump that delivers an amount of analgesic when the patient presses a button. [4]
A push-button (also spelled pushbutton) or simply button is a simple switch mechanism to control some aspect of a machine or a process. Buttons are typically made out of hard material, usually plastic or metal. [1] The surface is usually flat or shaped to accommodate the human finger or hand, so as to be easily depressed or pushed.
A push switch (button) is a momentary or non-latching switch which causes a temporary change in the state of an electrical circuit only while the switch is physically actuated. An automatic mechanism (i.e. a spring ) returns the switch to its default position immediately afterwards, restoring the initial circuit condition.
The most common type is a "push-to-make" (or normally-open or NO) switch, which makes contact when the button is pressed and breaks when the button is released. Each key of a computer keyboard, for example, is a normally-open "push-to-make" switch. A "push-to-break" (or normally-closed or NC) switch, on the other hand, breaks contact when the ...
The user interface of pumps usually requests details on the type of infusion from the technician or nurse that sets them up: . Continuous infusion usually consists of small pulses of infusion, usually between 500 nanoliters and 10 milliliters, depending on the pump's design, with the rate of these pulses depending on the programmed infusion speed.
Target-controlled infusion (TCI) automates the dosing of intravenous drugs during surgery. After the anesthetist sets the desired parameters in a computer and presses the start button, the system controls the infusion pump, while being monitored by the anesthetist. [1] TCI is as safe and effective as manually controlled infusion. [2] [3]
Intravenous therapy (abbreviated as IV therapy) is a medical technique that administers fluids, medications and nutrients directly into a person's vein.The intravenous route of administration is commonly used for rehydration or to provide nutrients for those who cannot, or will not—due to reduced mental states or otherwise—consume food or water by mouth.
An infusion set is used with devices such as an insulin pump. The purpose of an infusion set is to deliver insulin under the skin, fulfilling a similar function like an intravenous line. [ 1 ] It is a complete tubing system to connect an insulin pump to the pump user and as such includes a subcutaneous cannula , adhesive mount, quick-disconnect ...
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