Safety Shield System for a Single Use Flexible-Type Compression Syringe, and Injection Device

A safety shield system for a compression syringe having a compressible reservoir, a needle cannula for fluid communication with the reservoir and having a forward tip, the safety shield system comprising:

• a holder shield portion designed to be attached to said compression syringe;
• a movable shield portion, designed to be movable relative to said compression syringe from a first position wherein the tip is exposed, to a second position wherein said movable shield portion covers said tip;
• said holder shield portion and movable shield portion being provided with retaining means arranged to cooperate in said first position to prevent said movable shield portion from moving toward its second position;
• wherein said retaining means are provided on a deflectable part connected to at least one of said holder shield portion or movable shield portion, said deflectable part being manually deflectable to disengage, when deflected, said retaining means, and allow said movable shield portion to be moved toward its second position.