The rat tail contains a dorsal vein ... Liquid anticoagulant should also be drawn into the syringe or butterfly needle tube. The anticoagulant is then expelled, leaving the sides of the syringe ...

For viscous drug formulations, such as an antifungal (Terbinafine), the shock syringe outperformed regular needles. The rat skin samples showed that the shock syringe deposited more terbinafine ...