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MRI after successful eyeWatch(TM) implantation

Publications associées (37)

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Apparatus and methods for treating excess intraocular fluid

Nikolaos Stergiopoulos, Stéphane Bigler

An ocular drainage system is provided for treating diseases that produce elevated intraocular pressures, such as glaucoma, wherein the system includes an implantable device and an external control unit. The implantable device includes a non-invasively adju ...

2012

Magnetoelectric effects in single crystals of the cubic ferrimagnetic helimagnet Cu2OSeO3

Jean-Philippe Ansermet, Helmuth Berger

We present magnetodielectric measurements in single crystals of the cubic spin-1/2 compound Cu2OSeO3. A magnetic-field-induced electric polarization (P) and a finite magnetocapacitance (MC) is observed at the onset of the magnetically ordered state (T-c = ...

2012

This paper presents a general analytical model for predicting the magnetic field of slotless permanent-magnet machines. The model takes into account the effect of eddy currents in conductive regions and notably in conductive permanent magnets without negle ...

2011

Ferroelectricity from spin supercurrents in LiCuVO4

Martin Mourigal, Mechthild Enderle

We have studied the magnetic structure of the ferroelectric frustrated spin-1/2 chain material LiCuVO4 in applied electric and magnetic fields using polarized neutrons. A symmetry and mean-field analysis of the data rules out the presence of static Dzyalos ...

2011

Glaucoma is one of the leading causes of blindness in the world. It results in an increase of the aqueous humour (AH) outflow pathway which leads to an increase of the intraocular pressure (IOP). Many treatments exists to reduce and stabilize the IOP such ...

2010

Design and validation of a telemetrically drived implantable glaucoma drainage device

Adan Villamarin

Glaucoma is one of the leading cause of irreversible blindness in the world and it usually occurs when the pressure inside the eyes gradually rises, permanently damaging the optic nerve. Medications and filtering surgery are two possible therapies availabl ...

2009

Orthogonal fluxgate magnetic field sensor

Pavel Kejik, Ozge Zorlu

Orthogonal fluxgate sensor for measuring an external magnetic field Hext, comprising a conductor for carrying an excitation current lexc, a ferromagnetic material adapted to saturate in the presence of a magnetic field generated by the excitation current, ...

2009

Wireless contact lens sensor for intra ocular pressure monitoring: assessment on enucleated pig eyes

Philippe Renaud, Arnaud Bertsch, André Mermoud, Matteo Leonardi

Purpose: Assessment on enucleated pig eyes of a novel and minimally invasive method for the continuous monitoring of intraocular pressure (IOP), based on a novel wireless contact lens sensor (CLS). Methods: The wireless CLS is a disposable silicone soft co ...

2009

Microfabricated thin film strain gage sensor with telemetry microprocessor embedded in a soft contact lens for minimally invasive intraocular pressure monitoring

Matteo Leonardi

Increased intraocular pressure (IOP) is the leading cause and the hallmark of Glaucoma, an asymptomatic and irreversible degenerative disease that, undetected or untreated, progresses to blindness due to optic nerve atrophy. Glaucoma is the second cause of ...

EPFL2007

Micro and nano tools for magnetic field imaging

Schahrazede-Lila Mouaziz

Scanning probe microscopy has become, nowadays, a branch of microscopy widely used to image surfaces of different specimens. Among the various applications, the magnetic imaging is one of the most exciting scanning probe microscopy techniques. It allows th ...

EPFL2007