[{"data":1,"prerenderedAt":195},["ShallowReactive",2],{"content-\u002Fen\u002Flearn\u002Fblog\u002Fsoft-personalized-intelligent-how-the-s300x-liq21-or-liq11-is-revolutioning-prosthetic-interfaces":3},{"id":4,"title":5,"blocks":6,"body":175,"category":181,"date":182,"description":183,"extension":184,"image":185,"isDraft":169,"isMenu":169,"isOutfit":169,"isPage":169,"lang":187,"meta":188,"metaTitle":5,"navigation":28,"path":189,"seo":190,"stem":191,"translationKey":192,"type":193,"__hash__":194},"content\u002Fen\u002F6.learn\u002F1.blog\u002Fsoft-personalized-intelligent-how-the-s300x-liq21-or-liq11-is-revolutioning-prosthetic-interfaces.md","Soft, personalized, intelligent: how the S300X – LIQ21 | LIQ11 is revolutioning prosthetic interfaces?",[7,16,26,56,59,63,69,71,76,81,86,89,93,96,101,103,106,110,113,116,119,123,126,129,132,137,140,144,147,150,154,157,160,170],{"type":8,"title":9,"subtitle":10,"paragraph":11,"buttonTitle":12,"buttonLink":12,"image":13},"BackgroundBottomBlurText","Soft, personalized, intelligent.","how the S300X – LIQ21 | LIQ11 is revolutioning prosthetic interfaces?","\u003Cp>Every&nbsp;patient&nbsp;has&nbsp;a&nbsp;unique&nbsp;anatomy.&nbsp;So&nbsp;why&nbsp;settle&nbsp;for&nbsp;a&nbsp;standard&nbsp;prosthetic?&nbsp;That&#39;s&nbsp;the&nbsp;challenge&nbsp;the&nbsp;BioRobotics&nbsp;Institute&nbsp;team&nbsp;at&nbsp;Sant&#39;Anna&nbsp;is&nbsp;tackling,&nbsp;combining&nbsp;3D&nbsp;scanning&nbsp;and&nbsp;silicone&nbsp;printing&nbsp;to&nbsp;manufacture&nbsp;prosthetic&nbsp;liners&nbsp;as&nbsp;precise&nbsp;as&nbsp;they&nbsp;are&nbsp;innovative.&nbsp;We&nbsp;take&nbsp;you&nbsp;inside&nbsp;their&nbsp;laboratory.\u003C\u002Fp>","",{"alt":14,"src":15},"Upper limb silicone 3D printed","upper limb 1 - bandeau.webp",{"type":17,"colors":18,"subTitleGTAmerica":12,"subtitle":21,"nbZones":22,"paragraph":25},"Highlights",{"background":19,"front":20},"grey25","greyLynxter","key points",[23,24],"1","4","\u003Cul>\u003Cli>\u003Cstrong>Custom-fit&nbsp;prosthetics\u003C\u002Fstrong>:&nbsp;Lynxter&#39;s&nbsp;S300X&nbsp;-&nbsp;LIQ21&nbsp;|&nbsp;LIQ11&nbsp;silicone&nbsp;3D&nbsp;printer&nbsp;lets&nbsp;the&nbsp;Sant&#39;Anna&nbsp;team&nbsp;manufacture&nbsp;fully&nbsp;personalized&nbsp;prosthetic&nbsp;liners&nbsp;straight&nbsp;from&nbsp;3D&nbsp;scans&nbsp;of&nbsp;the&nbsp;patient&#39;s&nbsp;limb,&nbsp;faster&nbsp;and&nbsp;more&nbsp;precisely&nbsp;than&nbsp;traditional&nbsp;moulding.\u003C\u002Fli>\u003Cli>\u003Cstrong>Embedded&nbsp;sensors&nbsp;and&nbsp;local&nbsp;stiffness&nbsp;control:&nbsp;\u003C\u002Fstrong>the&nbsp;technology&nbsp;allows&nbsp;EMG&nbsp;sensor&nbsp;housings&nbsp;to&nbsp;be&nbsp;printed&nbsp;directly&nbsp;into&nbsp;the&nbsp;liner,&nbsp;and&nbsp;stiffness&nbsp;to&nbsp;be&nbsp;locally&nbsp;tuned&nbsp;to&nbsp;improve&nbsp;comfort&nbsp;and&nbsp;reduce&nbsp;pressure&nbsp;points.\u003C\u002Fli>\u003Cli>\u003Cstrong>Biocompatibility&nbsp;and&nbsp;future&nbsp;outlook:&nbsp;\u003C\u002Fstrong>the&nbsp;silicones&nbsp;used&nbsp;are&nbsp;certified&nbsp;for&nbsp;skin&nbsp;contact&nbsp;(ISO&nbsp;10993),&nbsp;paving&nbsp;the&nbsp;way&nbsp;for&nbsp;personalized&nbsp;medical&nbsp;devices:&nbsp;wearables,&nbsp;soft&nbsp;robotics,&nbsp;surgical&nbsp;models,&nbsp;and&nbsp;AI-driven&nbsp;personalization.\u003C\u002Fli>\u003C\u002Ful>",{"type":27,"isAProductName":28,"subTitleGTAmerica":29,"subtitle":12,"nbZones":30,"zones":33},"ProductsCarousel",true,"The Sant’Ana research team",[31,32],"3","6",[34,40,45,51],{"title":12,"buttonTitle":35,"buttonLink":36,"image":37},"maria grazia p.","https:\u002F\u002Fwww.linkedin.com\u002Fin\u002Fmaria-grazia-polizzotto-660b63220\u002F",{"alt":38,"src":39},"maria grazia","mariagraziapolizzotto.webp",{"title":12,"buttonTitle":41,"buttonLink":42,"image":43},"Anubhay tyagi","https:\u002F\u002Fwww.linkedin.com\u002Fin\u002Fanubhav-tyagi-82770921b\u002F",{"alt":41,"src":44},"anubhaytyagi.webp",{"title":12,"buttonTitle":46,"buttonLink":47,"image":48},"Linda paterno","https:\u002F\u002Fwww.linkedin.com\u002Fin\u002Flinda-patern%C3%B2-423ab61a3\u002F",{"alt":49,"src":50},"Linda Paterno","lindapaterno.webp",{"title":12,"buttonTitle":52,"buttonLink":53,"image":54},"Fransceco Antonelli","https:\u002F\u002Fwww.linkedin.com\u002Fin\u002Ffrancesco-antonelli1\u002F",{"alt":52,"src":55},"francescoantonelli.webp",{"type":57,"title":12,"subtitle":12,"paragraph":58,"buttonTitle":12,"buttonLink":12},"TextLeft","\u003Cul>\u003Cli>\u003Cstrong>Maria&nbsp;Grazia&nbsp;Polizzotto\u003C\u002Fstrong>,&nbsp;PhD&nbsp;student,&nbsp;Surgical&nbsp;robotics&nbsp;and&nbsp;allied&nbsp;technologies&nbsp;area&nbsp;of&nbsp;the&nbsp;BioRobotics&nbsp;Institute&nbsp;of&nbsp;Sant&#39;Anna&nbsp;School&nbsp;of&nbsp;Advanced&nbsp;Studies\u003C\u002Fli>\u003Cli>\u003Cstrong>Anubhav&nbsp;Tyagi\u003C\u002Fstrong>,&nbsp;Research&nbsp;Fellow,&nbsp;Surgical&nbsp;robotics&nbsp;and&nbsp;allied&nbsp;technologies&nbsp;area&nbsp;of&nbsp;the&nbsp;BioRobotics&nbsp;Institute&nbsp;of&nbsp;Sant&#39;Anna&nbsp;School&nbsp;of&nbsp;Advanced&nbsp;Studies\u003C\u002Fli>\u003Cli>\u003Cstrong>Linda&nbsp;Paternò\u003C\u002Fstrong>,&nbsp;Assistant&nbsp;Professor,&nbsp;Surgical&nbsp;robotics&nbsp;and&nbsp;allied&nbsp;technologies&nbsp;area&nbsp;of&nbsp;the\u003Ca href=\"https:\u002F\u002Fsurgicalrobotics.santannapisa.it\u002F\" rel=\"noopener noreferrer\" target=\"_blank\">&nbsp;BioRobotics&nbsp;Institute&nbsp;of&nbsp;Sant&#39;Anna&nbsp;School&nbsp;of&nbsp;Advanced&nbsp;Studies\u003C\u002Fa>,&nbsp;\u003C\u002Fli>\u003Cli>\u003Cstrong>Francesco&nbsp;Antonelli\u003C\u002Fstrong>,&nbsp;MSc&nbsp;Thesis&nbsp;Student,&nbsp;Surgical&nbsp;robotics&nbsp;and&nbsp;allied&nbsp;technologies&nbsp;area&nbsp;of&nbsp;the&nbsp;BioRobotics&nbsp;Institute&nbsp;of&nbsp;Sant&#39;Anna&nbsp;School&nbsp;of&nbsp;Advanced&nbsp;Studies\u003C\u002Fli>\u003C\u002Ful>\u003Cp>\u003C\u002Fp>",{"type":57,"title":60,"subtitle":61,"paragraph":62,"buttonTitle":12,"buttonLink":12},"1.technolology adoption","What scientific or technological challenges led you to explore silicone 3D printing?","\u003Cp>Our&nbsp;research&nbsp;activities&nbsp;focus&nbsp;on&nbsp;the&nbsp;development&nbsp;of&nbsp;soft,&nbsp;patient-specific,&nbsp;and&nbsp;functionally&nbsp;adaptive&nbsp;structures&nbsp;for&nbsp;prosthetic&nbsp;and&nbsp;wearable&nbsp;physical&nbsp;human–machine&nbsp;interfaces.&nbsp;A&nbsp;major&nbsp;research&nbsp;direction&nbsp;concerns&nbsp;the&nbsp;3D&nbsp;printing&nbsp;of&nbsp;prosthetic&nbsp;liners,&nbsp;namely&nbsp;the&nbsp;soft&nbsp;silicone&nbsp;socks&nbsp;worn&nbsp;over&nbsp;the&nbsp;residual&nbsp;limb&nbsp;and&nbsp;underneath&nbsp;the&nbsp;prosthetic&nbsp;socket.&nbsp;The&nbsp;socket&nbsp;is&nbsp;the&nbsp;rigid&nbsp;structural&nbsp;component&nbsp;of&nbsp;limb&nbsp;prostheses&nbsp;responsible&nbsp;for&nbsp;load&nbsp;transmission&nbsp;and&nbsp;biomechanical&nbsp;support,&nbsp;establishing&nbsp;the&nbsp;physical&nbsp;interface&nbsp;and&nbsp;biomechanical&nbsp;coupling&nbsp;between&nbsp;the&nbsp;user&nbsp;and&nbsp;the&nbsp;artificial&nbsp;limb.&nbsp;Starting&nbsp;from&nbsp;a&nbsp;3D&nbsp;scan&nbsp;of&nbsp;the&nbsp;patient’s&nbsp;residual&nbsp;limb,&nbsp;this&nbsp;approach&nbsp;enables&nbsp;the&nbsp;fabrication&nbsp;of&nbsp;highly&nbsp;personalized&nbsp;liners&nbsp;tailored&nbsp;to&nbsp;the&nbsp;individual&nbsp;anatomy&nbsp;and&nbsp;needs&nbsp;of&nbsp;each&nbsp;user.&nbsp;Beyond&nbsp;customization,&nbsp;additive&nbsp;manufacturing&nbsp;also&nbsp;offers&nbsp;the&nbsp;opportunity&nbsp;to&nbsp;facilitate&nbsp;the&nbsp;integration&nbsp;of&nbsp;sensing&nbsp;and&nbsp;actuation&nbsp;functionalities&nbsp;directly&nbsp;within&nbsp;the&nbsp;liner&nbsp;structure,&nbsp;as&nbsp;explored&nbsp;in&nbsp;the&nbsp;\u003Ca href=\"https:\u002F\u002Fsurgicalrobotics.santannapisa.it\u002Feliner-project\u002F\" rel=\"noopener noreferrer\" target=\"_blank\">eLiner&nbsp;project\u003C\u002Fa>,&nbsp;funded&nbsp;by&nbsp;INAIL&nbsp;(National&nbsp;Institute&nbsp;for&nbsp;Insurance&nbsp;Against&nbsp;Accidents&nbsp;at&nbsp;Work)&nbsp;(Fig.&nbsp;1).&nbsp;Embedded&nbsp;actuation&nbsp;systems&nbsp;could&nbsp;dynamically&nbsp;adjust&nbsp;local&nbsp;pressure&nbsp;distributions&nbsp;to&nbsp;improve&nbsp;comfort,&nbsp;fit,&nbsp;and&nbsp;long-term&nbsp;wearability,&nbsp;while&nbsp;integrated&nbsp;sensors&nbsp;could&nbsp;monitor&nbsp;physiological&nbsp;and&nbsp;biomechanical&nbsp;parameters&nbsp;at&nbsp;the&nbsp;limb&nbsp;interface,&nbsp;such&nbsp;as&nbsp;pressure,&nbsp;temperature,&nbsp;or&nbsp;skin&nbsp;conditions,&nbsp;as&nbsp;well&nbsp;as&nbsp;provide&nbsp;useful&nbsp;information&nbsp;for&nbsp;prosthesis&nbsp;control.&nbsp;Importantly,&nbsp;many&nbsp;of&nbsp;these&nbsp;sensing&nbsp;and&nbsp;actuation&nbsp;components&nbsp;can&nbsp;themselves&nbsp;be&nbsp;manufactured&nbsp;through&nbsp;soft&nbsp;3D-printing&nbsp;processes,&nbsp;enabling&nbsp;the&nbsp;development&nbsp;of&nbsp;fully&nbsp;customized,&nbsp;multifunctional,&nbsp;and&nbsp;intelligent&nbsp;prosthetic&nbsp;interfaces.\u003C\u002Fp>",{"type":64,"image":65,"imageCaption":68},"CenterImage",{"alt":66,"src":67},"Figure 1 Workflow for Patient Specific Liner Fabrication","santanna_step-web.webp","Figure 1. Workflow for Patient Specific Liner Fabrication",{"type":57,"title":12,"subtitle":12,"paragraph":70,"buttonTitle":12,"buttonLink":12},"\u003Cp>While&nbsp;conventional&nbsp;manufacturing&nbsp;techniques&nbsp;for&nbsp;prosthetic&nbsp;liners,&nbsp;such&nbsp;as&nbsp;moulding&nbsp;and&nbsp;casting,&nbsp;are&nbsp;mature,&nbsp;reliable,&nbsp;and&nbsp;widely&nbsp;adopted&nbsp;in&nbsp;industrial&nbsp;practice,&nbsp;they&nbsp;can&nbsp;be&nbsp;less&nbsp;suited&nbsp;to&nbsp;rapid&nbsp;design&nbsp;iterations&nbsp;and&nbsp;may&nbsp;become&nbsp;cumbersome&nbsp;when&nbsp;highly&nbsp;personalized&nbsp;geometries&nbsp;or&nbsp;integrated&nbsp;functionalities&nbsp;are&nbsp;required.&nbsp;In&nbsp;this&nbsp;context,&nbsp;silicone&nbsp;3D&nbsp;printing&nbsp;represents&nbsp;a&nbsp;promising&nbsp;alternative,&nbsp;enabling&nbsp;the&nbsp;direct&nbsp;fabrication&nbsp;of&nbsp;soft,&nbsp;flexible,&nbsp;and&nbsp;anatomically&nbsp;conformable&nbsp;structures&nbsp;while&nbsp;eliminating&nbsp;dependence&nbsp;on&nbsp;complex&nbsp;mould-making&nbsp;procedures.&nbsp;This&nbsp;approach&nbsp;facilitates&nbsp;a&nbsp;more&nbsp;anatomy-driven&nbsp;design&nbsp;process&nbsp;and&nbsp;significantly&nbsp;accelerates&nbsp;the&nbsp;transition&nbsp;from&nbsp;digital&nbsp;design&nbsp;to&nbsp;physical&nbsp;prototype.&nbsp;Furthermore,&nbsp;additive&nbsp;manufacturing&nbsp;supports&nbsp;a&nbsp;more&nbsp;sustainable&nbsp;and&nbsp;resource-efficient&nbsp;development&nbsp;workflow.&nbsp;By&nbsp;depositing&nbsp;material&nbsp;only&nbsp;where&nbsp;needed,&nbsp;3D&nbsp;printing&nbsp;minimizes&nbsp;material&nbsp;waste,&nbsp;reduces&nbsp;the&nbsp;number&nbsp;of&nbsp;manufacturing&nbsp;steps,&nbsp;and&nbsp;shortens&nbsp;production&nbsp;times.&nbsp;These&nbsp;advantages&nbsp;are&nbsp;particularly&nbsp;valuable&nbsp;in&nbsp;both&nbsp;research&nbsp;and&nbsp;clinical&nbsp;prototyping&nbsp;activities,&nbsp;where&nbsp;designs&nbsp;often&nbsp;require&nbsp;multiple&nbsp;iterations&nbsp;to&nbsp;accommodate&nbsp;patient-specific&nbsp;anatomy,&nbsp;targeted&nbsp;mechanical&nbsp;properties,&nbsp;the&nbsp;integration&nbsp;of&nbsp;sensing&nbsp;or&nbsp;actuation&nbsp;systems,&nbsp;and&nbsp;evolving&nbsp;clinical&nbsp;or&nbsp;experimental&nbsp;requirements.\u003C\u002Fp>",{"type":57,"title":12,"subtitle":72,"paragraph":73,"buttonTitle":74,"buttonLink":75},"What criteria motivated your choice of the S300X – LIQ21 | LIQ11 for your research activities? ","\u003Cp>The&nbsp;S300X&nbsp;–&nbsp;LIQ21&nbsp;|&nbsp;LIQ11(Fig.&nbsp;2)&nbsp;was&nbsp;particularly&nbsp;attractive&nbsp;for&nbsp;our&nbsp;research&nbsp;activities&nbsp;because&nbsp;it&nbsp;has&nbsp;been&nbsp;specifically&nbsp;designed&nbsp;for&nbsp;the&nbsp;additive&nbsp;manufacturing&nbsp;of&nbsp;silicone&nbsp;and&nbsp;elastomeric&nbsp;materials,&nbsp;rather&nbsp;than&nbsp;being&nbsp;a&nbsp;general-purpose&nbsp;3D&nbsp;printer&nbsp;adapted&nbsp;for&nbsp;soft-material&nbsp;processing.&nbsp;An&nbsp;important&nbsp;advantage&nbsp;is&nbsp;its&nbsp;compatibility&nbsp;with&nbsp;medical-grade&nbsp;silicones,&nbsp;including&nbsp;materials&nbsp;certified&nbsp;for&nbsp;skin-contact&nbsp;applications&nbsp;according&nbsp;to&nbsp;ISO&nbsp;10993&nbsp;standards,&nbsp;making&nbsp;the&nbsp;platform&nbsp;especially&nbsp;relevant&nbsp;for&nbsp;healthcare&nbsp;and&nbsp;prosthetic&nbsp;applications.&nbsp;Its&nbsp;capability&nbsp;to&nbsp;process&nbsp;silicone,&nbsp;combined&nbsp;with&nbsp;independent&nbsp;dual&nbsp;extrusion&nbsp;technology&nbsp;and&nbsp;the&nbsp;use&nbsp;of&nbsp;soluble&nbsp;support&nbsp;materials,&nbsp;enables&nbsp;the&nbsp;fabrication&nbsp;of&nbsp;complex&nbsp;geometries&nbsp;that&nbsp;would&nbsp;be&nbsp;difficult&nbsp;or&nbsp;impossible&nbsp;to&nbsp;achieve&nbsp;through&nbsp;conventional&nbsp;manufacturing&nbsp;methods.&nbsp;\u003C\u002Fp>","more about silicone 3d printer","https:\u002F\u002Flynxter.com\u002Fen\u002F3d-printers\u002Fspecialized\u002Fs300x-liq21-or-liq11-liquid",{"type":64,"image":77,"imageCaption":80},{"alt":78,"src":79},"S300X - LIQ21 | LIQ11 silicone 3D printer","s300x-santana-w4eb.webp","Figure 2. S300X - LIQ21 | LIQ11 silicone 3D printer",{"type":57,"title":12,"subtitle":82,"paragraph":83,"buttonTitle":84,"buttonLink":85},"Which features or capabilities of this technology were particularly important for your team?","\u003Cp>The&nbsp;most&nbsp;important&nbsp;capabilities&nbsp;for&nbsp;our&nbsp;team&nbsp;are&nbsp;the&nbsp;direct&nbsp;printing&nbsp;of&nbsp;flexible&nbsp;silicone&nbsp;components,&nbsp;the&nbsp;ability&nbsp;to&nbsp;fabricate&nbsp;complex&nbsp;geometries,&nbsp;the&nbsp;repeatability&nbsp;and&nbsp;process&nbsp;control&nbsp;required&nbsp;for&nbsp;experimental&nbsp;research,&nbsp;and&nbsp;the&nbsp;possibility&nbsp;of&nbsp;tailoring&nbsp;mechanical&nbsp;behaviour&nbsp;through&nbsp;both&nbsp;material&nbsp;selection&nbsp;and&nbsp;design&nbsp;strategies.\u003C\u002Fp>\u003Cp>By&nbsp;controlling&nbsp;the&nbsp;internal&nbsp;infill&nbsp;architecture,&nbsp;printed&nbsp;parts&nbsp;can&nbsp;be&nbsp;designed&nbsp;with&nbsp;locally&nbsp;customized&nbsp;stiffness&nbsp;properties,&nbsp;which&nbsp;is&nbsp;highly&nbsp;relevant&nbsp;for&nbsp;human–machine&nbsp;interfaces&nbsp;and&nbsp;wearable&nbsp;applications.&nbsp;In&nbsp;our&nbsp;field,&nbsp;this&nbsp;capability&nbsp;is&nbsp;particularly&nbsp;valuable&nbsp;for&nbsp;patient-specific&nbsp;prosthetic&nbsp;liners,&nbsp;where&nbsp;region-dependent&nbsp;stiffness&nbsp;could&nbsp;help&nbsp;reduce&nbsp;pressure&nbsp;and&nbsp;stress&nbsp;concentrations&nbsp;on&nbsp;sensitive&nbsp;areas&nbsp;of&nbsp;the&nbsp;residual&nbsp;limb&nbsp;while&nbsp;maintaining&nbsp;adequate&nbsp;support&nbsp;and&nbsp;load&nbsp;transfer&nbsp;in&nbsp;other&nbsp;regions.\u003C\u002Fp>\u003Cp>Achieving&nbsp;this&nbsp;level&nbsp;of&nbsp;spatial&nbsp;control&nbsp;is&nbsp;challenging&nbsp;with&nbsp;conventional&nbsp;moulding&nbsp;techniques,&nbsp;especially&nbsp;for&nbsp;large,&nbsp;thin-walled&nbsp;structures&nbsp;such&nbsp;as&nbsp;lower-limb&nbsp;prosthetic&nbsp;liners.&nbsp;In&nbsp;addition,&nbsp;these&nbsp;components&nbsp;can&nbsp;be&nbsp;difficult&nbsp;to&nbsp;demould&nbsp;without&nbsp;damaging&nbsp;the&nbsp;final&nbsp;part.&nbsp;In&nbsp;this&nbsp;context,&nbsp;silicone&nbsp;3D&nbsp;printing&nbsp;offers&nbsp;a&nbsp;more&nbsp;direct,&nbsp;flexible,&nbsp;and&nbsp;design-driven&nbsp;manufacturing&nbsp;approach,&nbsp;enabling&nbsp;rapid&nbsp;prototyping,&nbsp;personalized&nbsp;solutions,&nbsp;and&nbsp;the&nbsp;fabrication&nbsp;of&nbsp;structures&nbsp;with&nbsp;locally&nbsp;optimized&nbsp;mechanical&nbsp;properties.\u003C\u002Fp>\u003Cp>\u003C\u002Fp>","download our design guide","silicone-guide",{"type":57,"title":12,"subtitle":87,"paragraph":88,"buttonTitle":12,"buttonLink":12},"How does silicone 3D printing complement the manufacturing technologies already available in your laboratory? ","\u003Cp>Silicone&nbsp;3D&nbsp;printing&nbsp;complements&nbsp;established&nbsp;manufacturing&nbsp;technologies&nbsp;such&nbsp;as&nbsp;rigid&nbsp;additive&nbsp;manufacturing,&nbsp;moulding,&nbsp;casting,&nbsp;and&nbsp;machining&nbsp;by&nbsp;enabling&nbsp;the&nbsp;direct&nbsp;fabrication&nbsp;of&nbsp;soft,&nbsp;compliant,&nbsp;and&nbsp;functional&nbsp;elastomeric&nbsp;components.&nbsp;While&nbsp;rigid&nbsp;3D&nbsp;printing&nbsp;remains&nbsp;essential&nbsp;for&nbsp;the&nbsp;production&nbsp;of&nbsp;structural&nbsp;elements,&nbsp;fixtures,&nbsp;enclosures,&nbsp;and&nbsp;testing&nbsp;equipment,&nbsp;silicone&nbsp;printing&nbsp;provides&nbsp;unique&nbsp;capabilities&nbsp;for&nbsp;the&nbsp;fabrication&nbsp;of&nbsp;soft&nbsp;interfaces,&nbsp;deformable&nbsp;structures,&nbsp;contact&nbsp;surfaces,&nbsp;wearable&nbsp;devices,&nbsp;and&nbsp;biomedical&nbsp;prototypes.\u003C\u002Fp>\u003Cp>Rather&nbsp;than&nbsp;replacing&nbsp;existing&nbsp;manufacturing&nbsp;methods,&nbsp;the&nbsp;\u003Ca href=\"https:\u002F\u002Flynxter.com\u002Fen\u002F3d-printers\u002Fspecialized\u002Fs300x-liq21-or-liq11-liquid\" rel=\"noopener noreferrer\" target=\"_blank\">S300X&nbsp;–&nbsp;LIQ21&nbsp;|&nbsp;LIQ11\u003C\u002Fa>&nbsp;significantly&nbsp;expands&nbsp;the&nbsp;laboratory’s&nbsp;design&nbsp;and&nbsp;prototyping&nbsp;capabilities.&nbsp;This&nbsp;combination&nbsp;of&nbsp;manufacturing&nbsp;approaches&nbsp;supports&nbsp;the&nbsp;creation&nbsp;of&nbsp;more&nbsp;functional,&nbsp;biomimetic,&nbsp;and&nbsp;application-specific&nbsp;prototypes.\u003C\u002Fp>\u003Cp>\u003C\u002Fp>",{"type":57,"title":90,"subtitle":91,"paragraph":92,"buttonTitle":12,"buttonLink":12},"2. Research Areas & Applications","What are the main research areas supported by this technology?","\u003Cp>The&nbsp;technology&nbsp;supports&nbsp;a&nbsp;wide&nbsp;range&nbsp;of&nbsp;research&nbsp;areas&nbsp;in&nbsp;which&nbsp;softness,&nbsp;flexibility,&nbsp;anatomical&nbsp;conformity,&nbsp;and&nbsp;functional&nbsp;compliance&nbsp;are&nbsp;key&nbsp;design&nbsp;requirements.\u003C\u002Fp>\u003Cp>In&nbsp;the&nbsp;field&nbsp;of&nbsp;\u003Ca href=\"https:\u002F\u002Flynxter.com\u002Fen\u002Findustries-and-applications\u002Fapplications\u002Fsoft-robotics-and-electronics\" rel=\"noopener noreferrer\" target=\"_blank\">soft&nbsp;robotics\u003C\u002Fa>,&nbsp;it&nbsp;enables&nbsp;the&nbsp;fabrication&nbsp;of&nbsp;compliant&nbsp;structures,&nbsp;soft&nbsp;mechanisms,&nbsp;and&nbsp;deformable&nbsp;actuation&nbsp;components.&nbsp;In&nbsp;the&nbsp;\u003Ca href=\"https:\u002F\u002Flynxter.com\u002Fen\u002Findustries-and-applications\u002Findustries\u002Fhealthcare\" rel=\"noopener noreferrer\" target=\"_blank\">healthcare\u003C\u002Fa>&nbsp;domain,&nbsp;it&nbsp;is&nbsp;particularly&nbsp;relevant&nbsp;for&nbsp;prosthetics,&nbsp;orthotics,&nbsp;wearable&nbsp;technologies,&nbsp;and&nbsp;rehabilitation&nbsp;devices,&nbsp;where&nbsp;customized&nbsp;soft&nbsp;interfaces&nbsp;play&nbsp;a&nbsp;crucial&nbsp;role&nbsp;in&nbsp;improving&nbsp;comfort,&nbsp;fit,&nbsp;safety,&nbsp;and&nbsp;overall&nbsp;functional&nbsp;performance.\u003C\u002Fp>",{"type":57,"title":12,"subtitle":94,"paragraph":95,"buttonTitle":12,"buttonLink":12},"What types of applications or demonstrators are you currently developing? ","\u003Cp>Current&nbsp;prototypes&nbsp;developed&nbsp;within&nbsp;our&nbsp;laboratory&nbsp;include&nbsp;soft&nbsp;human–machine&nbsp;interfaces,&nbsp;with&nbsp;a&nbsp;particular&nbsp;focus&nbsp;on&nbsp;patient-specific&nbsp;prosthetic&nbsp;liners&nbsp;for&nbsp;both&nbsp;upper-&nbsp;and&nbsp;lower-limb&nbsp;applications.\u003C\u002Fp>\u003Cp>In&nbsp;prosthetics,&nbsp;the&nbsp;silicone&nbsp;liner&nbsp;plays&nbsp;a&nbsp;fundamental&nbsp;role&nbsp;in&nbsp;establishing&nbsp;a&nbsp;soft&nbsp;and&nbsp;compliant&nbsp;interface&nbsp;between&nbsp;the&nbsp;residual&nbsp;limb&nbsp;and&nbsp;the&nbsp;prosthetic&nbsp;device.&nbsp;Comfort,&nbsp;compliance,&nbsp;fit,&nbsp;and&nbsp;manufacturing&nbsp;repeatability&nbsp;are&nbsp;critical&nbsp;factors,&nbsp;as&nbsp;even&nbsp;small&nbsp;variations&nbsp;in&nbsp;geometry,&nbsp;material&nbsp;properties,&nbsp;or&nbsp;interface&nbsp;pressure&nbsp;distribution&nbsp;can&nbsp;significantly&nbsp;influence&nbsp;device&nbsp;performance,&nbsp;user&nbsp;comfort,&nbsp;and&nbsp;long-term&nbsp;acceptance.\u003C\u002Fp>\u003Cp>Figure&nbsp;3&nbsp;presents&nbsp;the&nbsp;first&nbsp;two&nbsp;prosthetic&nbsp;liner&nbsp;prototypes&nbsp;developed&nbsp;using&nbsp;the&nbsp;Lynxter&nbsp;silicone&nbsp;3D&nbsp;printer&nbsp;S300X&nbsp;–&nbsp;LIQ21&nbsp;|&nbsp;LIQ11.&nbsp;The&nbsp;primary&nbsp;objective&nbsp;was&nbsp;to&nbsp;leverage&nbsp;silicone&nbsp;3D&nbsp;printing&nbsp;to&nbsp;fabricate&nbsp;fully&nbsp;patient-specific&nbsp;liners&nbsp;directly&nbsp;from&nbsp;3D&nbsp;scans&nbsp;of&nbsp;the&nbsp;residual&nbsp;limb,&nbsp;while&nbsp;incorporating&nbsp;dedicated&nbsp;housings&nbsp;for&nbsp;commercial&nbsp;electromyography&nbsp;(EMG)&nbsp;sensors.&nbsp;These&nbsp;housings&nbsp;were&nbsp;specifically&nbsp;designed&nbsp;to&nbsp;facilitate&nbsp;the&nbsp;positioning,&nbsp;integration,&nbsp;and&nbsp;stable&nbsp;attachment&nbsp;of&nbsp;the&nbsp;sensors&nbsp;within&nbsp;the&nbsp;soft&nbsp;interface.\u003C\u002Fp>",{"type":64,"image":97,"imageCaption":100},{"alt":98,"src":99},"Figure 3 Upper and lower limb 3D printed prosthetic liners integrating EMG electrode housings","figure3_santana.webp","Figure 3. Upper and lower limb 3D printed prosthetic liners integrating EMG electrode housings",{"type":57,"title":12,"subtitle":12,"paragraph":102,"buttonTitle":12,"buttonLink":12},"\u003Cp>The&nbsp;first&nbsp;prototype&nbsp;is&nbsp;an&nbsp;upper-limb&nbsp;prosthetic&nbsp;liner&nbsp;designed&nbsp;for&nbsp;a&nbsp;transradial&nbsp;amputee&nbsp;and&nbsp;fabricated&nbsp;using&nbsp;COPSIL&nbsp;4050&nbsp;silicone.&nbsp;The&nbsp;second&nbsp;prototype&nbsp;is&nbsp;a&nbsp;lower-limb&nbsp;liner&nbsp;designed&nbsp;for&nbsp;a&nbsp;transfemoral&nbsp;amputee&nbsp;and&nbsp;fabricated&nbsp;using&nbsp;COPSIL&nbsp;2550&nbsp;silicone.&nbsp;The&nbsp;selection&nbsp;of&nbsp;the&nbsp;target&nbsp;stiffness&nbsp;for&nbsp;the&nbsp;two&nbsp;applications&nbsp;was&nbsp;carried&nbsp;out&nbsp;in&nbsp;collaboration&nbsp;with&nbsp;clinicians&nbsp;from&nbsp;the\u003Ca href=\"https:\u002F\u002Fwww.inail.it\u002Fportale\u002Fit\u002Fistituto\u002Fl-istituto\u002Fstruttura-organizzativa\u002Fuffici-centrali\u002Fcentro-protesi-vigorso-di-budrio.html\" rel=\"noopener noreferrer\" target=\"_blank\">&nbsp;INAIL&nbsp;Prosthetic&nbsp;Centre\u003C\u002Fa>,&nbsp;ensuring&nbsp;that&nbsp;the&nbsp;mechanical&nbsp;properties&nbsp;of&nbsp;the&nbsp;liners&nbsp;matched&nbsp;the&nbsp;specific&nbsp;clinical&nbsp;requirements&nbsp;of&nbsp;each&nbsp;use&nbsp;case.\u003C\u002Fp>\u003Cp>The&nbsp;choice&nbsp;of&nbsp;the&nbsp;\u003Ca href=\"https:\u002F\u002Fcop-chimie.com\u002Fen\u002F3d-silicone-prototyping\u002F\" rel=\"noopener noreferrer\" target=\"_blank\">COPSIL&nbsp;material\u003C\u002Fa>&nbsp;family&nbsp;was&nbsp;primarily&nbsp;motivated&nbsp;by&nbsp;its&nbsp;suitability&nbsp;for&nbsp;prolonged&nbsp;skin&nbsp;contact&nbsp;and&nbsp;its&nbsp;compliance&nbsp;with&nbsp;the&nbsp;biocompatibility&nbsp;requirements&nbsp;defined&nbsp;by&nbsp;the&nbsp;ISO&nbsp;10993&nbsp;standard,&nbsp;a&nbsp;key&nbsp;prerequisite&nbsp;for&nbsp;the&nbsp;development&nbsp;of&nbsp;wearable&nbsp;prosthetic&nbsp;interfaces&nbsp;intended&nbsp;for&nbsp;extended&nbsp;daily&nbsp;use.\u003C\u002Fp>\u003Cp>These&nbsp;prototypes&nbsp;represent&nbsp;an&nbsp;initial&nbsp;step&nbsp;toward&nbsp;the&nbsp;development&nbsp;of&nbsp;patient-specific&nbsp;prosthetic&nbsp;liners.&nbsp;Future&nbsp;iterations&nbsp;will&nbsp;further&nbsp;exploit&nbsp;the&nbsp;design&nbsp;freedom&nbsp;offered&nbsp;by&nbsp;silicone&nbsp;3D&nbsp;printing,&nbsp;for&nbsp;example&nbsp;by&nbsp;tuning&nbsp;infill&nbsp;density,&nbsp;wall&nbsp;thickness,&nbsp;micro-perforations,&nbsp;and&nbsp;local&nbsp;geometries&nbsp;to&nbsp;improve&nbsp;fit,&nbsp;comfort,&nbsp;local&nbsp;compliance,&nbsp;and&nbsp;the&nbsp;overall&nbsp;interaction&nbsp;between&nbsp;the&nbsp;liner&nbsp;and&nbsp;the&nbsp;residual&nbsp;limb.\u003C\u002Fp>",{"type":57,"title":12,"subtitle":104,"paragraph":105,"buttonTitle":12,"buttonLink":12},"What kinds of geometries, structures, or functionalities are you aiming to achieve through silicone 3D printing?","\u003Cp>The&nbsp;main&nbsp;aim&nbsp;is&nbsp;to&nbsp;produce&nbsp;geometries&nbsp;that&nbsp;combine&nbsp;anatomical&nbsp;fit&nbsp;with&nbsp;functional&nbsp;mechanical&nbsp;behaviour.&nbsp;The&nbsp;objective&nbsp;is&nbsp;not&nbsp;only&nbsp;to&nbsp;reproduce&nbsp;shape,&nbsp;but&nbsp;also&nbsp;to&nbsp;tune&nbsp;stiffness,&nbsp;deformation,&nbsp;contact&nbsp;behaviour&nbsp;and&nbsp;integration&nbsp;potential.\u003C\u002Fp>\u003Cul>\u003Cli>Thin-walled&nbsp;flexible&nbsp;structures\u003C\u002Fli>\u003Cli>Soft&nbsp;liners&nbsp;and&nbsp;interface&nbsp;layers\u003C\u002Fli>\u003Cli>Deformable&nbsp;lattices&nbsp;or&nbsp;compliant&nbsp;regions\u003C\u002Fli>\u003Cli>Anatomically&nbsp;shaped&nbsp;contact&nbsp;surfaces\u003C\u002Fli>\u003Cli>Channels&nbsp;or&nbsp;cavities&nbsp;for&nbsp;sensors,&nbsp;cables&nbsp;or&nbsp;fluids\u003C\u002Fli>\u003Cli>Multi-stiffness&nbsp;or&nbsp;variable-compliance&nbsp;concepts\u003C\u002Fli>\u003C\u002Ful>\u003Cp>\u003C\u002Fp>\u003Cp>The&nbsp;main&nbsp;target&nbsp;sectors&nbsp;are&nbsp;medical&nbsp;devices,&nbsp;prosthetics&nbsp;and&nbsp;orthotics,&nbsp;and&nbsp;wearable&nbsp;technologies.&nbsp;There&nbsp;is&nbsp;also&nbsp;potential&nbsp;relevance&nbsp;for&nbsp;rehabilitation&nbsp;engineering,&nbsp;soft&nbsp;robotics,&nbsp;biomimetics,&nbsp;depending&nbsp;on&nbsp;the&nbsp;specific&nbsp;research&nbsp;direction&nbsp;and&nbsp;future&nbsp;collaborations.\u003C\u002Fp>",{"type":57,"title":107,"subtitle":108,"paragraph":109,"buttonTitle":12,"buttonLink":12},"3. Materials & Characterization","What types of silicones are primarily used in your research?","\u003Cp>At&nbsp;this&nbsp;stage,&nbsp;our&nbsp;research&nbsp;primarily&nbsp;uses&nbsp;COPSIL&nbsp;3D&nbsp;4050&nbsp;and&nbsp;2550,&nbsp;two-part&nbsp;RTV-2&nbsp;silicone&nbsp;elastomers&nbsp;designed&nbsp;for&nbsp;silicone&nbsp;additive&nbsp;manufacturing.&nbsp;They&nbsp;are&nbsp;medium-hardness,&nbsp;translucent&nbsp;printable&nbsp;silicones&nbsp;with&nbsp;a&nbsp;hardness&nbsp;of&nbsp;40&nbsp;and&nbsp;25&nbsp;Shore&nbsp;A&nbsp;respectively,&nbsp;which&nbsp;make&nbsp;them&nbsp;suitable&nbsp;for&nbsp;producing&nbsp;flexible&nbsp;yet&nbsp;mechanically&nbsp;stable&nbsp;parts&nbsp;for&nbsp;soft&nbsp;biomedical&nbsp;and&nbsp;wearable&nbsp;applications.&nbsp;They&nbsp;are&nbsp;also&nbsp;listed&nbsp;as&nbsp;suitable&nbsp;for&nbsp;skin-contact&nbsp;applications&nbsp;according&nbsp;to&nbsp;ISO&nbsp;10993-5,&nbsp;which&nbsp;is&nbsp;important&nbsp;for&nbsp;our&nbsp;work&nbsp;involving&nbsp;prosthetic&nbsp;liners,&nbsp;soft&nbsp;interfaces,&nbsp;and&nbsp;body-contact&nbsp;prototypes.\u003C\u002Fp>",{"type":57,"title":12,"subtitle":111,"paragraph":112,"buttonTitle":12,"buttonLink":12},"Which material properties are you particularly investigating ?","\u003Cp>For&nbsp;the&nbsp;printed&nbsp;prosthetic&nbsp;liner,&nbsp;we&nbsp;are&nbsp;mainly&nbsp;investigating&nbsp;properties&nbsp;that&nbsp;affect&nbsp;comfort,&nbsp;skin&nbsp;contact,&nbsp;and&nbsp;functional&nbsp;performance&nbsp;compared&nbsp;with&nbsp;a&nbsp;commercial&nbsp;liner.&nbsp;These&nbsp;include&nbsp;Shore&nbsp;hardness,&nbsp;tensile\u002Ftear&nbsp;resistance&nbsp;and&nbsp;elongation.\u003C\u002Fp>\u003Cp>We&nbsp;are&nbsp;also&nbsp;considering&nbsp;biocompatibility,&nbsp;skin-contact&nbsp;safety,&nbsp;hygiene,&nbsp;durability&nbsp;and&nbsp;fatigue&nbsp;resistance.&nbsp;The&nbsp;overall&nbsp;aim&nbsp;is&nbsp;to&nbsp;assess&nbsp;how&nbsp;closely&nbsp;the&nbsp;printed&nbsp;silicone&nbsp;liner&nbsp;can&nbsp;match&nbsp;the&nbsp;mechanical&nbsp;and&nbsp;comfort-related&nbsp;behaviour&nbsp;of&nbsp;a&nbsp;commercial&nbsp;prosthetic&nbsp;liner.\u003C\u002Fp>\u003Cp>\u003C\u002Fp>",{"type":57,"title":12,"subtitle":114,"paragraph":115,"buttonTitle":12,"buttonLink":12},"Are you conducting formulation, characterization, or material optimization studies? ","\u003Cp>At&nbsp;this&nbsp;stage,&nbsp;the&nbsp;focus&nbsp;is&nbsp;mainly&nbsp;on&nbsp;material&nbsp;characterization&nbsp;and&nbsp;application-driven&nbsp;optimization&nbsp;rather&nbsp;than&nbsp;fundamental&nbsp;formulation&nbsp;chemistry.&nbsp;We&nbsp;are&nbsp;interested&nbsp;in&nbsp;understanding&nbsp;how&nbsp;printing&nbsp;parameters,&nbsp;geometry&nbsp;and&nbsp;material&nbsp;selection&nbsp;affect&nbsp;mechanical&nbsp;behaviour,&nbsp;repeatability&nbsp;and&nbsp;usability&nbsp;in&nbsp;functional&nbsp;prototypes.\u003C\u002Fp>\u003Cp>In&nbsp;the&nbsp;future,&nbsp;there&nbsp;is&nbsp;potential&nbsp;to&nbsp;explore&nbsp;material&nbsp;optimization&nbsp;more&nbsp;deeply,&nbsp;especially&nbsp;for&nbsp;multi-stiffness&nbsp;interfaces,&nbsp;soft&nbsp;sensor&nbsp;integration&nbsp;and&nbsp;patient-specific&nbsp;prosthetic&nbsp;components.\u003C\u002Fp>\u003Cp>\u003C\u002Fp>",{"type":57,"title":12,"subtitle":117,"paragraph":118,"buttonTitle":12,"buttonLink":12},"How do you evaluate the performance of the printed parts? ","\u003Cp>Performance&nbsp;is&nbsp;evaluated&nbsp;at&nbsp;different&nbsp;levels,&nbsp;depending&nbsp;on&nbsp;the&nbsp;intended&nbsp;application&nbsp;of&nbsp;the&nbsp;printed&nbsp;part.&nbsp;First,&nbsp;we&nbsp;usually&nbsp;characterize&nbsp;the&nbsp;material&nbsp;and&nbsp;printing&nbsp;parameters&nbsp;using&nbsp;standard&nbsp;test&nbsp;specimens,&nbsp;such&nbsp;as&nbsp;dog-bone&nbsp;samples,&nbsp;to&nbsp;estimate&nbsp;mechanical&nbsp;properties&nbsp;such&nbsp;as&nbsp;the&nbsp;elastic&nbsp;modulus&nbsp;and&nbsp;to&nbsp;compare&nbsp;the&nbsp;behaviour&nbsp;of&nbsp;different&nbsp;silicones,&nbsp;infill&nbsp;strategies,&nbsp;or&nbsp;printing&nbsp;settings.\u003C\u002Fp>\u003Cp>For&nbsp;prosthetic&nbsp;and&nbsp;wearable&nbsp;applications,&nbsp;however,&nbsp;mechanical&nbsp;characterization&nbsp;alone&nbsp;is&nbsp;not&nbsp;sufficient.&nbsp;The&nbsp;printed&nbsp;part&nbsp;also&nbsp;needs&nbsp;to&nbsp;be&nbsp;evaluated&nbsp;in&nbsp;terms&nbsp;of&nbsp;dimensional&nbsp;accuracy,&nbsp;surface&nbsp;quality,&nbsp;flexibility,&nbsp;and&nbsp;ability&nbsp;to&nbsp;reproduce&nbsp;the&nbsp;intended&nbsp;geometry.&nbsp;In&nbsp;the&nbsp;case&nbsp;of&nbsp;patient-specific&nbsp;prosthetic&nbsp;liners,&nbsp;a&nbsp;key&nbsp;aspect&nbsp;is&nbsp;the&nbsp;assessment&nbsp;of&nbsp;fit&nbsp;and&nbsp;comfort&nbsp;directly&nbsp;on&nbsp;the&nbsp;user&nbsp;or&nbsp;patient.&nbsp;Based&nbsp;on&nbsp;this&nbsp;feedback,&nbsp;the&nbsp;design&nbsp;can&nbsp;then&nbsp;be&nbsp;refined&nbsp;and&nbsp;reprinted,&nbsp;following&nbsp;an&nbsp;iterative&nbsp;process&nbsp;aimed&nbsp;at&nbsp;improving&nbsp;wearability,&nbsp;local&nbsp;compliance,&nbsp;comfort,&nbsp;and&nbsp;functional&nbsp;integration&nbsp;with&nbsp;sensors&nbsp;or&nbsp;other&nbsp;components.\u003C\u002Fp>\u003Cp>Therefore,&nbsp;a&nbsp;printed&nbsp;part&nbsp;is&nbsp;considered&nbsp;successful&nbsp;not&nbsp;only&nbsp;when&nbsp;it&nbsp;is&nbsp;correctly&nbsp;manufactured,&nbsp;but&nbsp;when&nbsp;it&nbsp;provides&nbsp;the&nbsp;expected&nbsp;mechanical&nbsp;behaviour,&nbsp;fits&nbsp;the&nbsp;user-specific&nbsp;anatomy,&nbsp;and&nbsp;performs&nbsp;reliably&nbsp;within&nbsp;the&nbsp;intended&nbsp;experimental&nbsp;or&nbsp;clinical&nbsp;context.\u003C\u002Fp>\u003Cp>\u003C\u002Fp>",{"type":57,"title":120,"subtitle":121,"paragraph":122,"buttonTitle":12,"buttonLink":12},"4. Experimental Developments & R&D","What experimental studies or testing protocols are currently underway?","\u003Cp>The&nbsp;experimental&nbsp;work&nbsp;is&nbsp;focused&nbsp;on&nbsp;understanding&nbsp;how&nbsp;silicone&nbsp;printed&nbsp;parts&nbsp;behave&nbsp;under&nbsp;realistic&nbsp;mechanical&nbsp;and&nbsp;functional&nbsp;conditions.&nbsp;This&nbsp;includes&nbsp;testing&nbsp;printed&nbsp;geometries&nbsp;for&nbsp;flexibility,&nbsp;deformation,&nbsp;durability,&nbsp;repeatability&nbsp;and&nbsp;suitability&nbsp;for&nbsp;integration&nbsp;into&nbsp;biomedical&nbsp;or&nbsp;wearable&nbsp;prototypes.\u003C\u002Fp>\u003Cp>For&nbsp;prosthetic-related&nbsp;studies,&nbsp;testing&nbsp;may&nbsp;involve&nbsp;soft&nbsp;liners,&nbsp;socket-interface&nbsp;concepts,&nbsp;wearable&nbsp;sensor&nbsp;integration&nbsp;and&nbsp;motion-related&nbsp;experiments&nbsp;using&nbsp;systems&nbsp;such&nbsp;as&nbsp;inertial&nbsp;sensors&nbsp;or&nbsp;pressure&nbsp;sensors.&nbsp;These&nbsp;studies&nbsp;help&nbsp;assess&nbsp;whether&nbsp;the&nbsp;printed&nbsp;parts&nbsp;can&nbsp;support&nbsp;both&nbsp;functional&nbsp;performance&nbsp;and&nbsp;user&nbsp;comfort.\u003C\u002Fp>\u003Cp>\u003C\u002Fp>",{"type":57,"title":12,"subtitle":124,"paragraph":125,"buttonTitle":12,"buttonLink":12},"What technical or scientific limitations are you aiming to overcome with this technology?","\u003Cp>The&nbsp;technology&nbsp;is&nbsp;being&nbsp;explored&nbsp;to&nbsp;overcome&nbsp;several&nbsp;limitations&nbsp;associated&nbsp;with&nbsp;conventional&nbsp;soft-part&nbsp;fabrication.\u003C\u002Fp>\u003Cul>\u003Cli>Long&nbsp;iteration&nbsp;cycles&nbsp;caused&nbsp;by&nbsp;mould&nbsp;design&nbsp;and&nbsp;manual&nbsp;casting.\u003C\u002Fli>\u003Cli>Difficulty&nbsp;producing&nbsp;complex&nbsp;internal&nbsp;structures.\u003C\u002Fli>\u003Cli>Limited&nbsp;ability&nbsp;to&nbsp;personalise&nbsp;soft&nbsp;parts&nbsp;rapidly.\u003C\u002Fli>\u003Cli>Challenges&nbsp;in&nbsp;controlling&nbsp;local&nbsp;stiffness&nbsp;and&nbsp;deformation.\u003C\u002Fli>\u003Cli>Difficulty&nbsp;integrating&nbsp;sensors,&nbsp;channels&nbsp;or&nbsp;functional&nbsp;cavities&nbsp;into&nbsp;soft&nbsp;structures.\u003C\u002Fli>\u003Cli>Limited&nbsp;repeatability&nbsp;when&nbsp;relying&nbsp;on&nbsp;fully&nbsp;manual&nbsp;fabrication&nbsp;methods.\u003C\u002Fli>\u003C\u002Ful>\u003Cp>\u003C\u002Fp>",{"type":57,"title":12,"subtitle":127,"paragraph":128,"buttonTitle":12,"buttonLink":12},"What new experimental possibilities does silicone 3D printing enable for your research?","\u003Cp>Silicone&nbsp;3D&nbsp;printing&nbsp;enables&nbsp;rapid&nbsp;production&nbsp;of&nbsp;soft&nbsp;prototypes&nbsp;with&nbsp;complex&nbsp;and&nbsp;customised&nbsp;geometries.&nbsp;This&nbsp;makes&nbsp;it&nbsp;possible&nbsp;to&nbsp;test&nbsp;several&nbsp;design&nbsp;iterations&nbsp;quickly,&nbsp;compare&nbsp;different&nbsp;mechanical&nbsp;behaviours&nbsp;and&nbsp;explore&nbsp;geometries&nbsp;that&nbsp;would&nbsp;be&nbsp;difficult&nbsp;or&nbsp;impractical&nbsp;with&nbsp;traditional&nbsp;moulding.\u003C\u002Fp>\u003Cp>\u003C\u002Fp>\u003Cp>It&nbsp;also&nbsp;opens&nbsp;opportunities&nbsp;for&nbsp;integrating&nbsp;sensing&nbsp;features,&nbsp;channels,&nbsp;cavities,&nbsp;soft&nbsp;interfaces&nbsp;and&nbsp;multi-material&nbsp;concepts&nbsp;directly&nbsp;into&nbsp;the&nbsp;design.&nbsp;This&nbsp;is&nbsp;especially&nbsp;valuable&nbsp;for&nbsp;research&nbsp;at&nbsp;the&nbsp;interface&nbsp;of&nbsp;robotics,&nbsp;biomedical&nbsp;engineering&nbsp;and&nbsp;human-centred&nbsp;device&nbsp;development.\u003C\u002Fp>\u003Cp>\u003C\u002Fp>",{"type":57,"title":12,"subtitle":130,"paragraph":131,"buttonTitle":12,"buttonLink":12},"Are you working on multi-material, functional, or complex architecture approaches?","\u003Cp>We&nbsp;are&nbsp;not&nbsp;currently&nbsp;working&nbsp;with&nbsp;multi-material&nbsp;printing,&nbsp;but&nbsp;we&nbsp;are&nbsp;exploring&nbsp;complex&nbsp;silicone&nbsp;architectures&nbsp;for&nbsp;functional&nbsp;prosthetic&nbsp;liner&nbsp;designs.&nbsp;In&nbsp;particular,&nbsp;we&nbsp;aim&nbsp;to&nbsp;print&nbsp;integrated&nbsp;slots&nbsp;or&nbsp;channels&nbsp;within&nbsp;the&nbsp;liner&nbsp;to&nbsp;accommodate&nbsp;EMG&nbsp;sensors&nbsp;for&nbsp;smart&nbsp;monitoring&nbsp;(Fig.&nbsp;4).&nbsp;This&nbsp;is&nbsp;a&nbsp;key&nbsp;component&nbsp;of&nbsp;our&nbsp;research,&nbsp;as&nbsp;the&nbsp;printer&nbsp;enables&nbsp;us&nbsp;to&nbsp;iterate&nbsp;different&nbsp;design&nbsp;choices&nbsp;and&nbsp;fit&nbsp;requirements.\u003C\u002Fp>",{"type":64,"image":133,"imageCaption":136},{"alt":134,"src":135},"Figure 4 Lower-limb 3D-printed prosthetic liner integrating commercial dry EMG electrodes into 3D-printed EMG housings","lower limb fig.4.webp","Figure 4. Lower-limb 3D-printed prosthetic liner integrating commercial dry EMG electrodes into 3D-printed EMG housings",{"type":57,"title":12,"subtitle":138,"paragraph":139,"buttonTitle":12,"buttonLink":12},"What advantages have you observed compared with conventional manufacturing methods?","\u003Cp>The&nbsp;main&nbsp;advantages&nbsp;are&nbsp;faster&nbsp;prototyping,&nbsp;reduced&nbsp;dependency&nbsp;on&nbsp;moulds,&nbsp;improved&nbsp;design&nbsp;freedom&nbsp;and&nbsp;the&nbsp;ability&nbsp;to&nbsp;fabricate&nbsp;complex&nbsp;soft&nbsp;structures&nbsp;directly.&nbsp;For&nbsp;research,&nbsp;this&nbsp;is&nbsp;particularly&nbsp;useful&nbsp;because&nbsp;it&nbsp;allows&nbsp;design&nbsp;ideas&nbsp;to&nbsp;be&nbsp;tested&nbsp;quickly&nbsp;and&nbsp;modified&nbsp;based&nbsp;on&nbsp;experimental&nbsp;results.\u003C\u002Fp>\u003Cp>Compared&nbsp;with&nbsp;casting,&nbsp;silicone&nbsp;3D&nbsp;printing&nbsp;can&nbsp;also&nbsp;improve&nbsp;repeatability&nbsp;and&nbsp;enable&nbsp;geometries&nbsp;that&nbsp;are&nbsp;difficult&nbsp;to&nbsp;demould&nbsp;or&nbsp;manufacture&nbsp;manually.&nbsp;This&nbsp;can&nbsp;reduce&nbsp;the&nbsp;time&nbsp;between&nbsp;concept,&nbsp;prototype&nbsp;and&nbsp;experimental&nbsp;validation.\u003C\u002Fp>\u003Cp>\u003C\u002Fp>",{"type":57,"title":141,"subtitle":142,"paragraph":143,"buttonTitle":12,"buttonLink":12},"5. Education & Technology Transfer","How is this technology integrated into student and doctoral training programs?","\u003Cp>The&nbsp;platform&nbsp;can&nbsp;be&nbsp;integrated&nbsp;into&nbsp;student&nbsp;and&nbsp;doctoral&nbsp;training&nbsp;through&nbsp;hands-on&nbsp;research&nbsp;projects&nbsp;involving&nbsp;design,&nbsp;additive&nbsp;manufacturing,&nbsp;material&nbsp;characterization&nbsp;and&nbsp;experimental&nbsp;validation.&nbsp;Students&nbsp;can&nbsp;learn&nbsp;the&nbsp;full&nbsp;workflow&nbsp;from&nbsp;CAD&nbsp;design&nbsp;and&nbsp;material&nbsp;selection&nbsp;to&nbsp;printing,&nbsp;post-processing,&nbsp;testing&nbsp;and&nbsp;functional&nbsp;evaluation.\u003C\u002Fp>\u003Cp>This&nbsp;is&nbsp;valuable&nbsp;because&nbsp;silicone&nbsp;3D&nbsp;printing&nbsp;sits&nbsp;at&nbsp;the&nbsp;intersection&nbsp;of&nbsp;robotics,&nbsp;materials&nbsp;science,&nbsp;biomedical&nbsp;engineering&nbsp;and&nbsp;manufacturing.&nbsp;It&nbsp;encourages&nbsp;students&nbsp;to&nbsp;think&nbsp;not&nbsp;only&nbsp;about&nbsp;geometry,&nbsp;but&nbsp;also&nbsp;about&nbsp;material&nbsp;behaviour,&nbsp;interface&nbsp;design&nbsp;and&nbsp;experimental&nbsp;validation.\u003C\u002Fp>\u003Cp>\u003C\u002Fp>",{"type":57,"title":12,"subtitle":145,"paragraph":146,"buttonTitle":12,"buttonLink":12},"What types of researchers or students are currently using the machine?","\u003Cp>The&nbsp;machine&nbsp;is&nbsp;currently&nbsp;being&nbsp;used&nbsp;by&nbsp;both&nbsp;master’s&nbsp;thesis&nbsp;students&nbsp;and&nbsp;PhD&nbsp;students&nbsp;within&nbsp;different&nbsp;research&nbsp;projects.&nbsp;Most&nbsp;of&nbsp;these&nbsp;activities&nbsp;are&nbsp;related&nbsp;to&nbsp;biomedical&nbsp;engineering,&nbsp;soft&nbsp;robotics,&nbsp;prosthetics,&nbsp;and&nbsp;wearable&nbsp;devices.\u003C\u002Fp>\u003Cp>A&nbsp;key&nbsp;objective&nbsp;is&nbsp;to&nbsp;translate&nbsp;fabrication&nbsp;approaches&nbsp;that&nbsp;were&nbsp;previously&nbsp;based&nbsp;on&nbsp;moulding&nbsp;and&nbsp;casting&nbsp;into&nbsp;silicone&nbsp;3D&nbsp;printing&nbsp;workflows.&nbsp;In&nbsp;this&nbsp;way,&nbsp;students&nbsp;and&nbsp;researchers&nbsp;can&nbsp;explore&nbsp;how&nbsp;existing&nbsp;concepts&nbsp;for&nbsp;soft&nbsp;interfaces,&nbsp;prosthetic&nbsp;components,&nbsp;and&nbsp;wearable&nbsp;systems&nbsp;can&nbsp;be&nbsp;redesigned&nbsp;to&nbsp;take&nbsp;advantage&nbsp;of&nbsp;the&nbsp;design&nbsp;freedom&nbsp;offered&nbsp;by&nbsp;3D&nbsp;printing,&nbsp;including&nbsp;more&nbsp;complex&nbsp;geometries,&nbsp;patient-specific&nbsp;shapes,&nbsp;and&nbsp;local&nbsp;control&nbsp;of&nbsp;mechanical&nbsp;properties.\u003C\u002Fp>\u003Cp>\u003C\u002Fp>",{"type":57,"title":12,"subtitle":148,"paragraph":149,"buttonTitle":12,"buttonLink":12},"Do you see potential for technology transfer or industrial collaborations arising from this work?","\u003Cp>Yes.&nbsp;There&nbsp;is&nbsp;strong&nbsp;potential&nbsp;for&nbsp;technology&nbsp;transfer,&nbsp;particularly&nbsp;in&nbsp;prosthetics,&nbsp;orthotics,&nbsp;rehabilitation&nbsp;devices,&nbsp;soft&nbsp;robotic&nbsp;grippers,&nbsp;anatomical&nbsp;models,&nbsp;medical&nbsp;training&nbsp;tools&nbsp;and&nbsp;personalised&nbsp;wearable&nbsp;interfaces.\u003C\u002Fp>\u003Cp>Silicone&nbsp;3D&nbsp;printing&nbsp;can&nbsp;shorten&nbsp;the&nbsp;path&nbsp;from&nbsp;laboratory&nbsp;prototype&nbsp;to&nbsp;customised&nbsp;functional&nbsp;demonstrator.&nbsp;This&nbsp;is&nbsp;highly&nbsp;relevant&nbsp;for&nbsp;industrial&nbsp;collaboration,&nbsp;clinical&nbsp;translation&nbsp;and&nbsp;applied&nbsp;research&nbsp;projects&nbsp;where&nbsp;rapid&nbsp;iteration&nbsp;and&nbsp;user-specific&nbsp;design&nbsp;are&nbsp;important.\u003C\u002Fp>\u003Cp>\u003C\u002Fp>",{"type":57,"title":151,"subtitle":152,"paragraph":153,"buttonTitle":12,"buttonLink":12},"6. Future Perspectives","What future developments do you envision around silicone 3D printing?","\u003Cp>Future&nbsp;developments&nbsp;will&nbsp;likely&nbsp;involve&nbsp;higher&nbsp;printing&nbsp;resolution,&nbsp;broader&nbsp;material&nbsp;options,&nbsp;improved&nbsp;multi-material&nbsp;printing,&nbsp;and&nbsp;more&nbsp;advanced&nbsp;software&nbsp;workflows&nbsp;for&nbsp;patient-specific&nbsp;design.\u003C\u002Fp>\u003Cp>For&nbsp;biomedical&nbsp;applications,&nbsp;silicone&nbsp;3D&nbsp;printing&nbsp;is&nbsp;expected&nbsp;to&nbsp;become&nbsp;increasingly&nbsp;important&nbsp;for&nbsp;personalised&nbsp;soft&nbsp;devices,&nbsp;anatomical&nbsp;models,&nbsp;prosthetic&nbsp;interfaces&nbsp;and&nbsp;soft&nbsp;robotic&nbsp;systems.\u003C\u002Fp>\u003Cp>\u003C\u002Fp>",{"type":57,"title":12,"subtitle":155,"paragraph":156,"buttonTitle":12,"buttonLink":12},"What new research topics or application fields would you like to explore?","\u003Cp>Several&nbsp;future&nbsp;topics&nbsp;are&nbsp;particularly&nbsp;promising&nbsp;for&nbsp;our&nbsp;research&nbsp;environment.\u003C\u002Fp>\u003Cul>\u003Cli>Sensorised&nbsp;soft&nbsp;wearable&nbsp;devices\u003C\u002Fli>\u003Cli>Soft&nbsp;robotic&nbsp;actuators&nbsp;and&nbsp;grippers\u003C\u002Fli>\u003Cli>Anatomical&nbsp;models&nbsp;for&nbsp;surgical&nbsp;planning&nbsp;and&nbsp;training\u003C\u002Fli>\u003Cli>Multi-stiffness&nbsp;soft&nbsp;structures\u003C\u002Fli>\u003Cli>Soft&nbsp;interfaces&nbsp;for&nbsp;rehabilitation&nbsp;robotics\u003C\u002Fli>\u003Cli>Integration&nbsp;of&nbsp;silicone&nbsp;printing&nbsp;with&nbsp;digital&nbsp;design&nbsp;and&nbsp;AI-based&nbsp;personalisation\u003C\u002Fli>\u003C\u002Ful>\u003Cp>\u003C\u002Fp>",{"type":57,"title":12,"subtitle":158,"paragraph":159,"buttonTitle":12,"buttonLink":12},"In your opinion, what role will silicone 3D printing play in the future evolution of advanced additive manufacturing?","\u003Cp>Silicone&nbsp;3D&nbsp;printing&nbsp;will&nbsp;play&nbsp;an&nbsp;important&nbsp;role&nbsp;in&nbsp;expanding&nbsp;additive&nbsp;manufacturing&nbsp;beyond&nbsp;rigid&nbsp;parts&nbsp;and&nbsp;into&nbsp;soft,&nbsp;functional&nbsp;and&nbsp;human-centred&nbsp;devices.&nbsp;Many&nbsp;future&nbsp;technologies&nbsp;in&nbsp;healthcare,&nbsp;robotics&nbsp;and&nbsp;wearable&nbsp;systems&nbsp;will&nbsp;require&nbsp;materials&nbsp;that&nbsp;are&nbsp;compliant,&nbsp;comfortable&nbsp;and&nbsp;mechanically&nbsp;similar&nbsp;to&nbsp;biological&nbsp;tissues.\u003C\u002Fp>\u003Cp>In&nbsp;this&nbsp;sense,&nbsp;silicone&nbsp;3D&nbsp;printing&nbsp;is&nbsp;not&nbsp;only&nbsp;a&nbsp;manufacturing&nbsp;method,&nbsp;but&nbsp;an&nbsp;enabling&nbsp;technology&nbsp;for&nbsp;personalised,&nbsp;soft&nbsp;and&nbsp;functional&nbsp;devices.&nbsp;It&nbsp;bridges&nbsp;the&nbsp;gap&nbsp;between&nbsp;digital&nbsp;design&nbsp;and&nbsp;real-world&nbsp;soft-matter&nbsp;applications,&nbsp;which&nbsp;is&nbsp;essential&nbsp;for&nbsp;the&nbsp;next&nbsp;generation&nbsp;of&nbsp;biomedical&nbsp;and&nbsp;robotic&nbsp;systems.\u003C\u002Fp>\u003Cp>\u003C\u002Fp>",{"type":161,"title":12,"subtitle":162,"paragraph":163,"buttonTitle":164,"buttonLink":165,"image":166,"imageCaption":12,"fatImage":169},"MidRight","E-book","\u003Cp>Would&nbsp;you&nbsp;like&nbsp;to&nbsp;learn&nbsp;more&nbsp;about&nbsp;3D&nbsp;printing&nbsp;in&nbsp;the&nbsp;medical&nbsp;field?\u003C\u002Fp>\u003Cp>\u003C\u002Fp>\u003Cp>&nbsp;\u003C\u002Fp>","download the e-book","ebook-healthcare",{"alt":167,"src":168},"EBOOK-HEALTHCARE","cover-ebook-medecine-lynxterjpg.webp",false,{"type":171,"colors":172,"title":174,"quote":169,"author":12,"titleSize":28},"CenterText",{"background":173,"front":20},"primary","MAKE IT SMARTER",{"type":176,"value":177,"toc":178},"minimark",[],{"title":12,"searchDepth":179,"depth":179,"links":180},2,[],"Use cases","25\u002F08\u002F2026","Every patient has a unique anatomy. So why settle for a standard prosthetic? That's the challenge the BioRobotics Institute team at Sant'Anna (Pisa, Italy) is tackling, combining 3D scanning and silicone printing to manufacture prosthetic liners as precise as they are innovative. We take you inside their laboratory.","md",{"src":15,"alt":186},"Upper Limb silicone 3D printed","en",{},"\u002Fen\u002Flearn\u002Fblog\u002Fsoft-personalized-intelligent-how-the-s300x-liq21-or-liq11-is-revolutioning-prosthetic-interfaces",{"title":5,"description":183},"en\u002F6.learn\u002F1.blog\u002Fsoft-personalized-intelligent-how-the-s300x-liq21-or-liq11-is-revolutioning-prosthetic-interfaces","SANTANA","TechArticle","FcWL_wEuPEaD38vIewbiNK1UD_uHRauTcH_LcAaOlvM",1787738770599]