{"id":14837,"date":"2024-12-03T15:24:57","date_gmt":"2024-12-03T14:24:57","guid":{"rendered":"https:\/\/michelcremerfoundation.eu\/?page_id=14837"},"modified":"2024-12-03T15:40:55","modified_gmt":"2024-12-03T14:40:55","slug":"capteur-de-force-tri-axial-un-projet-des-equipes-ingenieurs-medecins","status":"publish","type":"page","link":"https:\/\/michelcremerfoundation.eu\/index.php\/capteur-de-force-tri-axial-un-projet-des-equipes-ingenieurs-medecins\/","title":{"rendered":"CAPTEUR DE FORCE TRI-AXIAL : un projet des \u00e9quipes \u00ab\u00a0Ing\u00e9nieurs-M\u00e9decins\u00a0\u00bb"},"content":{"rendered":"\t\t
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capteur de force tri-axial<\/h1><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Dans la poursuite de sa th\u00e8se (pr\u00e9sent\u00e9e de mani\u00e8re synth\u00e9tique lors de la rentr\u00e9e acad\u00e9mique 2023 de la fili\u00e8re en ing\u00e9nierie biom\u00e9dicale), Ramzi Ben Hassi vient de publier un article scientifique.\u00a0<\/span><\/p>

Ce travail a permis la r\u00e9alisation d\u2019un cath\u00e9ter \u00e9quip\u00e9 d\u2019un capteur de force optique pour assister le gastroent\u00e9rologue dans la dissection de tumeurs du tube digestif par voie endoscopique\u00a0 (ESD) en l\u2019informant des forces qu\u2019il applique durant l\u2019op\u00e9ration.<\/span><\/p>

C\u2019est une avanc\u00e9e qui, \u00e0 terme, facilitera l\u2019apprentissage de techniques endoscopiques avanc\u00e9es afin de contribuer \u00e0 leur diffusion.\u00a0<\/span>\u00a0<\/span><\/p>

Cet article est accessible via ce\u00a0<\/span>LIEN<\/span><\/span><\/span><\/a><\/span><\/p>

Les expos\u00e9s r\u00e9alis\u00e9s lors de la rentr\u00e9e acad\u00e9mique – dont celui de Ramzi – sont accessibles<\/span> ICI<\/span><\/span><\/strong><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Abstract<\/span><\/span><\/h3>

Minimally invasive procedures have flourished in the last decades to treat patients with less trauma.<\/span><\/p>

Therapeutic endoscopy is one these emerging techniques using flexible endoscopes through natural orifices to go beyond the simple diagnostic and enables the treatment of digestive tract disorders like early gastrointestinal tumors by the mean of advanced endoscopic techniques such as Endoscopic Submucosal Dissection (ESD).\u00a0<\/span><\/p>

Despite renowned clinical benefits compared to other tumor resection techniques, ESD is a challenging procedure with a high level of expertise and dexterity needed to master it. Lack of expertise centers and training in Western countries makes the diffusion of ESD still limited. According to experts, a force-feedback technology directly integrated in the electrosurgical knife would help trainees to flatten their learning curve, especially on animal models. This thesis proposes to solve the problem by integrating Fiber Bragg Gratings (FBGs) as 3 degrees-of-freedom optical force sensors into the catheter of the electrosurgical knife aiming to measure Fx, Fy and Fz.\u00a0<\/span><\/p>

Several designs were explored to finally implement 3 FBGs placed circumferentially to the section of the catheter.\u00a0<\/span><\/p>

\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\u00a0The use of nitinol tubes and a specific pasting method \u00a0of the FBG led to better sensitivity and resolution.<\/span><\/p>

\u00a0A force calibration test bench was specifically designed to calibrate the force sensor in 30 3D spatial directions that cover most of its use cases. Non-linear regression models were implemented to tackle the non-linearities between the wavelength shifts of the FBGs and the forces applied, inherent to prototyping errors and imprecisions and non-linearity of the material. <\/span><\/p>

A hybrid model made of mono- and bi-layered neural networks for the prediction of Fx and Fy and a support vector regression for the prediction of Fz was built and verified by using training and testing data set. The results are promising and satisfying most of the technical requirements.\u00a0<\/span><\/p>

A temperature compensation technique was tested and verified on a specific prototype with endoscopic dimensions. In parallel to the force sensor development, a force-feedback user interface was designed to display the three components of the force using polar coordinates for the lateral forces and concentric circles for the axial one.\u00a0<\/span><\/p>

A warning alarm was also implemented to prevent from critical event such as exceeding a force threshold.\u00a0<\/span><\/p>

Further works will mainly consist in the implementation of a temperature compensation technique\u00a0<\/span>directly in the design of the force sensor and the integration of the force-feedback interface with the force sensor in real-time ESD training settings.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Votre aide est pr\u00e9cieuse.\u00a0<\/span><\/p>

En effectuant un geste financier, vous pouvez vraiment contribuer au d\u00e9veloppement de nouveaux dispositifs m\u00e9dicaux au service de toutes et tous.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t \u2764 Soutenez nos actions et faites un don \u2764<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Tout don est d\u00e9ductible fiscalement d\u00e8s 40 \u20ac\/an (ou 5 \u20ac\/mois) en indiquant \u00ab\u00a0DON\u00a0\u00bb en communication du virement\u00a0<\/span><\/p>

sur le compte BE 35 0689 4098 623\u00a0\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Merci de relayer l’information via vos canaux et via les r\u00e9seaux sociaux<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\tFacebook<\/span>\n\t\t\t\t\t\t<\/i>\t\t\t\t\t<\/a>\n\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\tLinkedin<\/span>\n\t\t\t\t\t\t<\/i>\t\t\t\t\t<\/a>\n\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\tTwitter<\/span>\n\t\t\t\t\t\t<\/i>\t\t\t\t\t<\/a>\n\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\tInstagram<\/span>\n\t\t\t\t\t\t<\/i>\t\t\t\t\t<\/a>\n\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\tYoutube<\/span>\n\t\t\t\t\t\t<\/i>\t\t\t\t\t<\/a>\n\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

capteur de force tri-axial Dans la poursuite de sa th\u00e8se (pr\u00e9sent\u00e9e de mani\u00e8re synth\u00e9tique lors de la rentr\u00e9e acad\u00e9mique 2023 de la fili\u00e8re en ing\u00e9nierie biom\u00e9dicale), Ramzi Ben Hassi vient de publier un article scientifique.\u00a0 Ce travail a permis la r\u00e9alisation d\u2019un cath\u00e9ter \u00e9quip\u00e9 d\u2019un capteur de force optique pour assister le gastroent\u00e9rologue dans la dissection de tumeurs du tube digestif par voie endoscopique\u00a0 (ESD) en l\u2019informant des forces qu\u2019il applique durant l\u2019op\u00e9ration. C\u2019est une avanc\u00e9e qui, \u00e0 terme, facilitera l\u2019apprentissage de techniques endoscopiques avanc\u00e9es afin de contribuer \u00e0 leur diffusion.\u00a0\u00a0 Cet article est accessible via ce\u00a0LIEN Les expos\u00e9s r\u00e9alis\u00e9s lors de la rentr\u00e9e acad\u00e9mique – dont celui de Ramzi – sont accessibles ICI Abstract Minimally invasive procedures have flourished in the last decades to treat patients with less trauma. Therapeutic endoscopy is one these emerging techniques using flexible endoscopes through natural orifices to go beyond the simple diagnostic and enables the treatment of digestive tract disorders like early gastrointestinal tumors by the mean of advanced endoscopic techniques such as Endoscopic Submucosal Dissection (ESD).\u00a0 Despite renowned clinical benefits compared to other tumor resection techniques, ESD is a challenging procedure with a high level of expertise and dexterity needed to master it. Lack of expertise centers and training in Western countries makes the diffusion of ESD still limited. According to experts, […]<\/p>\n","protected":false},"author":1,"featured_media":12665,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"give_campaign_id":0,"footnotes":""},"class_list":["post-14837","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\nCAPTEUR DE FORCE TRI-AXIAL : un projet des \u00e9quipes "Ing\u00e9nieurs-M\u00e9decins" - Fondation Michel Cremer<\/title>\n<meta name=\"description\" content=\"Dans la poursuite de sa th\u00e8se, Ramzi Ben Hassi vient de publier un article scientifique. Ce travail a permis la r\u00e9alisation d\u2019un cath\u00e9ter \u00e9quip\u00e9 d\u2019un capteur de force optique pour assister le gastroent\u00e9rologue dans la dissection de tumeurs du tube digestif par voie endoscopique (ESD) en l\u2019informant des forces qu\u2019il applique durant l\u2019op\u00e9ration.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/michelcremerfoundation.eu\/index.php\/capteur-de-force-tri-axial-un-projet-des-equipes-ingenieurs-medecins\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CAPTEUR DE FORCE TRI-AXIAL : un projet des \u00e9quipes "Ing\u00e9nieurs-M\u00e9decins" - Fondation Michel Cremer\" \/>\n<meta property=\"og:description\" content=\"Dans la poursuite de sa th\u00e8se, Ramzi Ben Hassi vient de publier un article scientifique. 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