LIQUID DRUG TRANSFER DEVICES FOR FAILSAFE CORRECT SNAP FITTING ONTO MEDICINAL VIALS

摘要

Liquid drug transfer devices including a vial adapter designed for failsafe correct snap fitting on a medicinal vial for ensuring flow communication with the vial's interior. The vial adapters include at least two non-adjacent vial retention flex members for snap fitting over a vial opening for vial retention purposes and at least two non-adjacent vial guidance flex members longer than their counterpart vial retention flex members for guiding a vial adapter with respect to a vial prior to snap fittnig the vial adapter thereon.