Authors: Daichi Igarashi, Kento Kimura, Nanami Endo, Yuto Yokoyama, Hiroaki Kusuno, Yoshiyuki Tagawa

Published on: February 07, 2024

Impact Score: 8.22

Arxiv code: Arxiv:2402.04543

Summary

• What is new: The study introduces the ‘jet pressure impulse’ as a crucial parameter for controlling the penetration depth of needle-free injections, which was not previously considered.
• Why this is important: The challenge of accurately controlling the penetration depth of microjets in needle-free injections.
• What the research proposes: Using numerical simulations to calculate the ‘jet pressure impulse’ from experimental setups, providing a new method to control and predict microjet penetration depths.
• Results: The correlation between the magnitude of the jet pressure impulse and the penetration depth was confirmed, demonstrating its importance for improving needle-free injection techniques.

Technical Details

Technological frameworks used: Numerical simulations

Models used: Jet penetration models, velocity distribution analysis

Data used: Experimental data from varied inner diameter injections and standoff distances

Potential Impact

Pharmaceutical companies, medical device manufacturers, healthcare sectors focusing on non-invasive drug delivery systems

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