Eth Zurich

Ypsomed Ag

Dominic Frutiger

Bradley Nelson

Bradley Kratochvil

Ursina Streit

Karl Vollmers

Leos Urbanek

Michael Gentz

Jonas Rihs

Bernhard Rytz

Dominik Bell

Jonas Baumann

Simon Muntwyler

The invention relates to an electronic add-on module which is fitted releasably onto an automatic injection appliance before the start of injection. The add-on module comprises a force sensor for measuring a time-variable axial force component exerted on or transmitted to the attached add-on module by the injection appliance during an injection procedure. The add-on module also comprises a grip or a preferred grip position for gripping and holding the add-on module and the inserted injection appliance. The add-on module can additionally have a microphone for detection of acoustic signals. A state of the injection appliance can be determined by the add-on module solely on the basis of measurements of the axial force sensor, optionally supplemented by microphone measurements. The invention thus affords a straightforward and cost-effective way of monitoring or controlling the correct performance of an injection procedure carried out with an automatic injection appliance.

Electronic add-on module for injection appliances

A magnetic manipulation and navigation system for moving a magnetic element through a body comprising at least six electromagnets with soft-magnetic cores arranged in a predetermined position to the body. One or more of the electromagnets operate in the non-linear regime of the magnetization curve of the cores. At least one magnetic field sensor is at one or more predetermined positions outside of the operating region. In the linear region, no feedback is required to set the magnetic field strength. In the non-linear region, feedback from the magnetic field sensors is used for closed-loop control. The system has an open loop mode operation in the linear regime for fast control signals, for stabilization during displacement of the magnetic element, and a closed-loop operation in the non-linear regime for higher field strengths, to apply forces and moments on the magnetic element while it is in contact with a surface.

Magnetic navigation system with soft magnetic core electromagnets for operation in the non-linear regime

A wireless resonant micro-actuator for untethered micro-robots. The wireless resonant micro-actuator includes at least two magnetic bodies that are resiliently connected to one another by a resilient member to form a spring-mass system. A magnetic field generator generates a pulsating or oscillating external magnetic field that creates a magnetic force between the at least two magnetic bodies. The at least two magnetic bodies are capable of being mechanically oscillated to resonance with respect to one another. A converter converts the oscillatory motion of the at least two magnetic bodies to create useful motion.

Wireless resonant magnetic acutation for untethered microrobots

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Zurich, Switzerland

Dominic Frutiger