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One of the largest markets, still under-developed by medical device companies, is the treatment of urinary (UI) and fecal incontinence (FI). The demographic changes in western countries will lead to a significant increase of incontinent people. For instance, FI affects nearly 10% of people over 60 years of age, and about 2 million people in Europe have daily severe FI, which is one of the most devastating of all physical disabilities, since it affects self-confidence and personal image, and usually leads to social isolation. The success of current treatments is disappointing because of numerous complications including infections that often require device removal and the extended use of diapers. The aim of the proposal is to realize prototype devices acting as artificial muscle, termed anal sphincter, to finally treat patients with severe FI. The device should replace the destroyed natural muscle function using low-voltage electrically activated polymers (EAPs) controlled by implemented pressure sensors and the patient.
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Using physics to solve medical problems
Innovations Report: Research Project for Developing an Artificial Sphincter
Project aims to create artificial sphincter implants
Highly Endowed Research Project for Developing an Artificial Sphincter
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Nanotechnology in the treatment of incontinenceV. Leung, C. Gingert Molecular beam deposition of high-permittivity polydimethylsiloxane for nanometer-thin elastomer films in dielectric actuators F. M. Weiss, F. B. Madsen, T. Töpper, B. Osmani, V. Leung, Bert Müller Materials & Design 105 (2016) 106-113Stress measurements of planar dielectric elastomer actuators B. Osmani, E. Aeby, Bert Müller Review of Scientific Instruments 87 (2016) 053901Tailoring the mass distribution and functional group density of dimethylsiloxane-based films by thermal evaporationT. Töpper, S. Lörcher, F. Weiss, Bert Müller APL Materials 4 (5) (2016) 056101 [more] |
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Compliance Assessment of the Anal Canal
Tobia Brusa, Daniel Abler, Radu Tutuian, Lukas Brügger, Peter Studer, Christian Gingert, and Philippe Büchler
Compliant Au electrodes on wrinkled and functionalized polydimethylsiloxane for dielectric elastomer actuators
Bekim Osmani, Hans Deyhle, Tino Töpper, Florian M. Weiss, Vanessa Leung, and Bert Müller
Polydimethylsiloxane thin films for dielectric elastomer actuactors characterized by spectroscopic ellipsometry
Tino Töpper, Bekim Osmani, Florian Weiss, Vanessa Leung, Bert Müller
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Electronics and Power Supply Implants for an Artificial Anal Sphincter
Dominik Bachmann, Marcel Held, Rolf Brönnimann, Urs Sennhauser
Driving forces, surface morphology and mechanical properties of single-layer dielectric elastomer actuators
Bekim Osmani, Tino Töpper, Florian Weiss, Vanessa Leung, Marco Dominietto, Simone Hieber, and Bert Müller
Polydimethylsiloxane thin film preparation for dielectric actuators
Tino Töpper, Bekim Osmani, Florian Weiss, Vanessa Leung, Marco Dominietto, Simone Hieber, Bert Müller
Biomechanical Model of the Human Anal Sphincter Complex
tobia brusa, daniel abler, philippe büchler, lukas brügger, christian gingert, johannes heverhagen, franc hetzer, and bert müller
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Smart Artificial Sphincter Biomechanical & Clinical Aspects
Elisa Fattorini, Tobia Brusa, Philippe Büchler, Christian Gingert, Franc Hetzer, Lukas Brügger
EAPs for Smart Artificial Sphincter
Tino Töpper, Bekim Osmani, Florian Weiss, Carla Winterhalter, Vanessa Leung, Bert Müller
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Smart artificial sphincter
T. Toepper, E. Fattorini, F.Weiss, L. Bruegger, P. Buechler, S.E. Hieber, Franc Hetzer, M. Wieland, U. Sennhauser, C.Gingert, M. Held, B. Mueller
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