A wearable 3D-printed hollow microneedle device for pressure-driven interstitial fluid collection and testing

Key Points

• Explore the functionality and effectiveness of a new microneedle device for fluid collection and testing.
• Developed a 3D printed hollow microneedle device with integrated suction and test ports.
• Conducted tests on the device's ability to extract interstitial fluid from the skin.
• Successfully demonstrated the device's capability for pressure-driven fluid collection.
• Showed improved fluid extraction efficiency compared to traditional methods.