Id use the 22 to draw with... I just draw 8-10 syringes at a time... reuse the one tip since it is the first time using it, and never have a problem. So when im ready to use, the Syringes is allready... Saves on tips. But u should never reuse a needle or reinsert a needle through a rubber stopper or puncture skin for im injection.
Proper asceptic technique says always change the tip regardless of what ur puncturing. And always swab the top of ur stopper with alcohol, Everytime after penatration and pulling the needle out. Blunt tips hurt n are not considered sterile after contact with an unsterile object (rubber stopper) or living tissue... It also says if u drop the tip below the OR table, any instrument for that matter, The instrument is considered unsterile, and a new one should be unwrapped asceptically...
Certified OR tech as well..... Or surg tech...
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