BD InSyte™ Autoguard™ I.V. Catheter 24G x 0.75" (381412). BD Insyte™ Autoguard™ shielded IV catheters mean added safety for you. The patented BD Autoguard™ shielding technology is proven to effectively safeguard healthcare workers from accidental needlestick injuries. The unique BD notched needle in the 24 gauge sizes provides immediate confirmation of vessel entry along the safety IV catheter shaft. Made of BD Vialon™ biomaterial. Color-coded: Yellow. 50/BX 4BX/CS. Price per box.