Safety, Vol. 3, Pages 25: Microneedle Manufacture: Assessing Hazards and Control Measures

Safety, Vol. 3, Pages 25: Microneedle Manufacture: Assessing Hazards and Control Measures

Safety doi: 10.3390/safety3040025

Authors: Alexander Martin Aaron McConville Ashleigh Anderson Anna McLister James Davis

Transdermal microneedles have captured the attention of researchers in relation to a variety of applications, and silicone-based moulds required to produce these systems are now widely available and can be readily manufactured on the lab bench. There is however some concern over the potential for accidental needlestick injuries and, as with any sharp hazard, the potential for blood-borne pathogen transmission must be considered. This follows from recent governmental concerns over the use of microneedle systems in dermabrasion. Despite the piercing nature of the microneedle patch sharing many similarities with conventional hypodermic needles, there are notable factors that mitigate the risk of contamination. A range of microneedle systems has been prepared using micromoulding techniques, and their puncture capability assessed. A critical assessment of the potential for accidental puncture and the control measures needed to ensure safe utilisation of the patch systems is presented.

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