An over-the-needle peel-away sheath catheter introducer for receiving the distal end of a catheter is formed of a hub having left and right halves with a wing extending transversely from each half. The hub defines between these halves a passageway for a catheter, where the passageway has sides defined by opposing wall surfaces of said halves, and top and bottom walls extending between these halves. A funnel is situated at the proximal end of the hub and a sheath is situated at the distal end of the hub. The funnel, hub and sheath have respective lumens which are aligned forming a continuous passageway. The funnel, hub and sheath furthermore have tear lines along their top and bottom surfaces adapting this catheter introducer to be split apart into two halves and discarded after introduction of a catheter therethrough.
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