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. 2014 Oct 31;14(11):20620–20644. doi: 10.3390/s141120620

Figure 2.

Figure 2.

Examples of implantable pressure sensor systems currently in development: (a) A capacitive-based sensor for measurements of intraocular pressure [39]; (b) Capacitive-based sensor developed by CardioMEMS for measurements of blood pressure; (c) Inductor-based sensor with piezoelectric energy harvester for measurements of bladder pressure (scale bar 10 mm) [45]; (d) Micro-bubble based pressure sensor for measurements of intracranial and bladder pressure (scale bar 100 μm) [61].