INTRADERMAL INJECTION DEVICE

摘要

Embodiments herein relate to the field of injections, for instance needle- free injections, and more specifically, to methods and apparatus for spring-driven intramuscular and intradermal injections. Provided in some embodiments are needle- free injectors adapted to deliver intradermal injections, as well as vial adaptors that are adapted to function as spacers when used with a needle-free injection device.