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Innovative sensors for revolutionary medical applications
Leti is at the forefront of developing concepts for wearable devices for physiological measurement and implantable devices for monitoring and treating health conditions.
Silicon microtechnology, ASIC circuits and wireless communications are some of the specialties that help Leti’s DTBS unit provide industrial solutions for wearable and implantable medical devices, and possible medical breakthroughs.
-Health applications:
Sensors embedded in fabrics measure such activities as sodium-ion concentration, respiration and hydration. Sensors supporting motion-capture technology can improve diagnosis and rehabilitation and detect epileptic seizures. Our partner Movea is commercializing these innovations
-Innovative medical procedures:
Leti is working on minimally invasive biopsy procedures and localized drug delivery with silicon micro-pumps.
-Expanded research:
the future CLINATEC center will offer new areas of investigation for in vivo brain activity recording, analysis and stimulation for Brain Machine Interface (BMI)/Brain Computer Interface (BCI) and neurodegenerative or brain-disease diagnosis and treatment.
-Cooperative partnerships:
Our collaboration with BioLogic enriches neuroscience and pharmaceutical research with in vitro tissue electrophysiology recording and stimulation. Leti and the Vision Institute are also working together at the National Eye Hospital XV-XX in Paris on retinal implants.
2008 highlights
-We developed a prototype device for Na+ ions measurement in sweat using gold electrodes coated on fabrics and miniaturized electronics. One application is protecting the health and safety of fire fighters.
-We achieved preclinical proof of concept of a closed loop regulating abnormal brain activity in animals, a major step in the fight against epilepsy
-We created flexible and implantable electrodes using carbon nanotubes and a new efficient chemical functionalization process for cortical monitoring (ECoG). The new electrode uses an original technology merging a flexible substrate (polymer) and patches of silicon coated with CNT that provides much more design freedom than a thin silicon material
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