Needle-free jet injectors refer to a kind of medical device that uses a specific device to form a small,high-speed jet of medication to pierce the human skin,thereby achieving the delivery of medication into the human body without the use of needles.In the past few decades,needle-free jet injectors have undergone many changes with the development of healthcare systems and advancements in related technologies.In this article,the history,research status,and clinical application of needle-free jet injectors are introduced.The principles of different driving modes for needle-free jet injectors are briefly summarized,and their respective advantages and the existing problems are summarized.Combining the current research status and market application,the technical problems faced by the development of needle-free jet injectors are analyzed.Under the background of intelligent and automatic development of medical equipment,the future development and opportunities for needle-free jet injectors are prospected.
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