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Syringes & Needles

QuestionAnswer
Syringe Measures and dispenses liquids.
What is the hub (needle hub, base) ? The plastic portion of the needle that attaches to the syringe. It secures the needle and connects the lumen to the syringe.
What is the cannula (shaft, needle shaft, metal shaft)? The long, hollow stainless-steel tube of the needle that enters the body and carries fluid.
What is the lumen (bore, needle lumen)? The hollow channel inside the cannula through which medication or blood flows.
What is the bevel face of a needle? The slanted, flat surface at the tip that forms the angled point.
What is the bevel edge of a needle? The sharp cutting edge around the bevel face that pierces skin and tissue
What is the point ( tip)? The very end of the needle that first pierces the skin. NOZZLE is the end of it where liquid leves
What is the heel (heel of the bevel)? The back edge of the beveled surface where the bevel joins the shaft.
What is needle gauge (gauge size)? The measurement of the needle's outside diameter (thickness). * Higher gauge = thinner needle * Lower gauge = thicker needle
What is needle length? The distance from the hub to the point of the needle, measured in inches or millimeters.
What is the protective cap (needle cap, needle cover, protective sheath)? A plastic cover placed over the needle to keep it sterile before use and help prevent accidental needlesticks.
What is the needle safety shield (needle guard, safety guard)? A built-in protective device that covers or retracts the needle after use to prevent needlestick injuries.
What is a filter needle? A needle with a built-in filter used only to withdraw medication from an ampule. It removes glass particles and is never used to inject a patient.
What is a blunt fill needle (blunt needle)? A non-sharp needle used only to draw medication from vials. It is not used for patient injections.
Created by: user-2044691
 

 



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