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Charles Baur

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Publications associées (42)

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Flexible surgical device with controllable stiffness

Charles Baur, Lennart Rubbert

The invention relates to a surgical device (10), comprising a tubular outer shaft (12,) and an inner element (14) having an elongated shape, the outer shaft comprising a distal (30a) and a proximal (30b) outer hinges, the inner element comprising an inner ...

2022

Device for controlled puncturing of an object

Simon Nessim Henein, Charles Baur, Mohamed Gamal Abdelrahman Ahmed Zanaty

The present invention relates to a device (1) for puncturing an object, in particular a bodily vein (V), comprising: - a body (2) defining an inner cavity (3) with at least one opening (31) and - a perforating needle (4) extending in said cavity (3) and be ...

2018

Device for measuring a force exerted on an object

Simon Nessim Henein, Charles Baur, Mohammad Hussein Kahrobaiyan, Mohamed Gamal Abdelrahman Ahmed Zanaty

The present invention relates to a device for measuring a contact force exerted by an object on a probe comprising a lever and said probe for contacting the object. The lever is pivotably coupled to a body by coupling means. The device comprising a fixed f ...

2020

Experimental Evaluation of Needle Tip Force Sensing Associated to Tactile Feedback for Improving Needle Remote Insertion

Charles Baur, Hubert Pierre-Marie Benoît Schneegans, Lisa Anaïs Jeanne Bonnefoy

In this paper, we present an experimental evaluation of tactile feedback for remote needle insertion in soft tissues. A needle with tip force sensing is used to detect changes of tissues and puncture events during insertion. This information is provided to ...

Springer Nature2021

Detection mechanism for a medical sensing tool, medical sensing tool

Charles Baur, Hubert Pierre-Marie Benoît Schneegans, Loïc Benoît Tissot-Daguette

A micromachined mechanism (5) for a sensing tool (1), the mechanism comprising a support, a probe, pivotally mounted with respect to the support, a beam (10) connected to the support (8), and the probe, the probe (9) being intended to apply a load (Ftool) ...

2022

3D-3D non rigid registration of an organ model with intraoperative measured data in case of hepatectomy

Charles Baur

Springer2007

Modeling Human-Agent Interaction with Active Ontologies

Charles Baur, Didier René Guzzoni

As computer systems continue to grow in power and access more networked content and services, we believe there will be an increasing need to provide more user-centric systems that act as intelligent assistants, able to interact naturally with human users a ...

2007

Active, a platform for building intelligent software

Charles Baur, Didier René Guzzoni

Computer systems keep growing in complexity, processing power and inter-connectivity. To leverage this rich environment and better assist users, a new type of intelligent assistant software is required. Building intelligent assistants is a difficult task t ...

2006

Needle for invasive medical use and needle assembly

Simon Nessim Henein, Charles Baur

A needle for invasive medical use includes a long extended cylindrical needle shaft having an axis and an outer surface area, with a short shaft end at a first end of the shaft with a beveled tip with a pointed end, and a needle hub attached to a second en ...

2016

Shape memory alloy mechanical actuator with reduced commutation time

Simon Nessim Henein, Charles Baur, Loïc Benoît Tissot-Daguette, Marjan Ghorbani, Simon Hubert Prêcheur-Llarena

Using shape memory alloys (SMAs) as actuators offers several advantages, including high power density, large stroke capabilities, and friction elimination. These attributes make SMAs suitable for actuating flexure-based mechanisms in a wide array of extrem ...

2024

Active load cell with positive, negative and zero stiffness operating modes for micronewton range contact force monitoring in electrical probing

Simon Nessim Henein, Charles Baur, Hubert Pierre-Marie Benoît Schneegans, Michal Stanislaw Smreczak

This article describes a novel method for applying a contact force in the range of 1 to 100 μN with pointed probe on a microscale sample in order to perform ohmic electrical measurements. The solution is based on the new TIVOT active load cell combining th ...

2022

A load cell with adjustable stiffness and zero offset tuning dedicated to electrical micro- and nanoprobing

Simon Nessim Henein, Charles Baur, Etienne Frédéric Gabriel Thalmann, Loïc Benoît Tissot-Daguette, Michal Stanislaw Smreczak

The tasks of electrical micro- and nanoprobing require precision that goes beyond human perception and therefore, depend on sensors providing real-time feedback. Efforts towards automation in micro- and nanoprobing and emerging areas such as branched nanow ...

2022

Soft tissue navigation: an ex-vivo porcine liver model for multimodality imaging and simulation of deformations to validate techniques for image-guided liver surgery

Charles Baur

Swiss Medical Publishers Ltd / EMH Swiss Medical Publishers2009

Article of orthopedic footwear

Julien Favre, Charles Baur, Brigitte Jolles-Haeberli, José Luis Rivera Gutiérrez

The present invention relates to an article of orthopedic footwear comprising a sole. The sole comprises an outsole, an insole comprising a support layer for supporting the foot of a user, the support layer possibly comprising a rigid plate and having a lo ...

2024

Rectilinear translation four-bar flexure mechanism based on four Remote Center Compliance pivots

Simon Nessim Henein, Charles Baur, Hubert Pierre-Marie Benoît Schneegans, Loïc Benoît Tissot-Daguette, Quentin Gubler

This paper presents a novel planar four-bar linkage compliant mechanism (called 4-RCC) based on four flexure-based Remote Center of Compliance (RCC) pivots. With particular configurations and dimensions, the beam shortening of the RCC pivots can compensate ...

euspen2022

System for moving a patient

Charles Baur, Hubert Pierre-Marie Benoît Schneegans, Loïc Benoît Tissot-Daguette, Marine Chantal Elisabeth Geneviève Clogenson, Lisa Anaïs Jeanne Bonnefoy

The invention relates to a system (13) for moving a lying patient (P) from a first position to a second position according to a controlled motion comprising a back sheet, a front sheet, each comprising two lateral edges (L1, L2). The system (13) comprises ...

2022

Flexure-based planar xy transition table

Charles Baur, Hubert Pierre-Marie Benoît Schneegans, Patrick Robert Flückiger

Flexure mechanism (1) comprising:- an end effector (3) arranged to be able to move in a first plane (XY);- an intermediate stage (7) linked to said end effector (3) by means of at least three first beams (5) extending substantially perpendicular to said fi ...

2022

Small active medical robot and passive holding structure

Charles Baur, Szymon Kostrzewski

The robotic system, for example for medical applications, comprises a passive holding structure with a large working volume and a robot holding at least a tool, said robot having a small and accurate working volume. ...

2012

VivoForce instrument for retinal microsurgery

Simon Nessim Henein, Charles Baur, Marine Chantal Elisabeth Geneviève Clogenson, Sebastian Krzysztof Fifanski, José Luis Rivera Gutiérrez

2017

Versatile force-feedback manipulator for nanotechnology applications

László Forró, Andrzej Kulik, Charles Baur, Gérard Gremaud, Sébastien Grange, Kyumin Lee, Raphaël Foschia

2005