Podcasts · The Hardware Podcast with Fexingo: Chips, Devices, and Electronics Engineering Conversations
How Chips Use On-Chip Pressure Sensors for Medical Implants
· 8:31 · S3 E102
Episode How Chips Use On-Chip Pressure Sensors for Medical Implants
This episode dives into the growing role of on-chip pressure sensors in implantable medical devices. Lucas and Luna discuss how microelectromechanical systems (MEMS) pressure sensors are being integrated directly into silicon for applications like continuous intraocular pressure monitoring in glaucoma patients and smart cardiovascular stents. They examine the key engineering trade-offs: miniaturization vs. sensitivity, long-term drift compensation, and the challenge of powering these sensors without batteries. A recent study from the University of Michigan demonstrated a chip that can measure intracranial pressure with 0.1 mmHg accuracy for over a year. The conversation also touches on how these sensors communicate wirelessly with external readers, and why the shift from discrete components to fully integrated sensor chips could reshape the $500 million implantable sensor market by 2028.
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Transcript
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