29.2. Silicon BioMEMS for Health Care
29.2.1. Case Study: Microneedles for Drug Delivery
There are many methods to administer medicine to patients, including oral ingestion, topical skin administration, and injection via syringe. All of these methods have advantages and drawbacks. In addition to being painful and causing patient discomfort, syringe injection can potentially release high concentrations of the drug to the entire body. This can cause unintended systemic effects that are correlated with drug side effects. In a newer method to deliver medication into the bloodstream or into certain tissues preferentially, a transdermal patch can also be placed on the skin [25–29]. This has the added advantage of releasing drugs into the body more ...
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