Terumo Surshield Winged Blood Collection & Infusion Sets. Unique one-handed needle locking mechanism, helps reduce the risk of needle stick injuries in a cost-effective, intuitive way. The shield simply presses over the needle and locks into place with an audible click, allowing safe use without the need to change insertion technique. Sterile and disposable, adapters fit into standard infusion sets transforming them into winged blood collection sets. This allows multiple draws into evacuated tubes.