SHOP Micro-Introducer KitsSLIMCATHIntroducer KitsOne-Step Introducer KitsAccess and Spinal NeedlesGuidewires ACCESS AND SPINAL NEEDLES Total Vein® Systems offers a premium line of percutaneous, ultra thin wall access needles. Access needles range in size from 16 – 21g and spinal needles are available from 20 – 22g. PLEASE REGISTER TO VIEW COMPLETE PRODUCT DETAILS AND PRICING INFORMATION 16 G ACCESS NEEDLES TVS 501616g x 4″ GWI Needle WW Hub (PLEASE LOGIN/REGISTER TO SEE FULL PRODUCT INFORMATION AND PRICING) 18 G ACCESS NEEDLES TVS 501818g x 2 3/4″ Arterial Needle (PLEASE LOGIN/REGISTER TO SEE FULL PRODUCT INFORMATION AND PRICING) 19 G ACCESS NEEDLES TVS 500219g x 2 3/4″ Premium Percutaneous Needle (PLEASE LOGIN/REGISTER TO SEE FULL PRODUCT INFORMATION AND PRICING) 20 G ACCESS NEEDLES TVS 502020g x 1 1/2″ Percutaneous NeedleInner Diameter 0.89 mm (PLEASE LOGIN/REGISTER TO SEE FULL PRODUCT INFORMATION AND PRICING) TVS 502520g x 2 3/4″ Percutaneous NeedleInner Diameter 0.89 mm (PLEASE LOGIN/REGISTER TO SEE FULL PRODUCT INFORMATION AND PRICING) 21 G ACCESS NEEDLES TVS 500421g x 2 3/4″ Percutaneous Needle (PLEASE LOGIN/REGISTER TO SEE FULL PRODUCT INFORMATION AND PRICING) TVS 500521g x 2 3/4″ Percutaneous Needlefeaturing Echogenic Tip (PLEASE LOGIN/REGISTER TO SEE FULL PRODUCT INFORMATION AND PRICING) TVS 502221g x 2 3/4″ Percutaneous Needle (PLEASE LOGIN/REGISTER TO SEE FULL PRODUCT INFORMATION AND PRICING) TVS 502321g x 2 3/4″ Percutaneous Needle w/echogenic tip (PLEASE LOGIN/REGISTER TO SEE FULL PRODUCT INFORMATION AND PRICING) SPINAL NEEDLES TVS 505020g x 3 1/2″ Spinal Needle (PLEASE LOGIN/REGISTER TO SEE FULL PRODUCT INFORMATION AND PRICING) TVS 505522g x 3 1/2″ Spinal Needle (PLEASE LOGIN/REGISTER TO SEE FULL PRODUCT INFORMATION AND PRICING)