{"id":25461,"date":"2023-08-21T20:58:49","date_gmt":"2023-08-21T17:58:49","guid":{"rendered":"https:\/\/klona.ua\/blog\/uncategorized\/how-a-prosthetic-leg-is-made-ideas-modeling-3d-printing"},"modified":"2023-08-22T14:23:12","modified_gmt":"2023-08-22T11:23:12","slug":"how-a-prosthetic-leg-is-made-ideas-modeling-3d-printing","status":"publish","type":"post","link":"https:\/\/klona.ua\/en\/blog\/industrial-design\/how-a-prosthetic-leg-is-made-ideas-modeling-3d-printing","title":{"rendered":"How a prosthetic leg is made: ideas, modeling, 3D printing"},"content":{"rendered":"\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/uWGFJmdywn8QpAcp-qwjJtlLZs6Bp056zDriRANSfYlI1fZDzIfRJdsU5uNhwgBSMfSMJUXwXy6rCgXRHL8WNaNF4EMhexHi1gMtz23toL0A5WXOHfah1bNdWlb9CjwXjHDeAdQXUrXU2y_bEWCd_Q\" alt=\"Leg prosthesis, 3D printing\"\/><\/figure>\n\n<p>The leg prosthesis becomes part of the body, therefore, when designing, attention is paid not only to its <strong>functional<\/strong> characteristics, but also <strong>to aesthetic ones<\/strong> . How are <strong>prototypes<\/strong> created, adapted to the physical characteristics <strong>of a person<\/strong> ? How does a prosthetic leg turn into a stylish <strong>accessory<\/strong> ? This article is about how <strong>3D printing<\/strong> and <strong>vacuum forming<\/strong> help combine useful <strong>function<\/strong> and <strong>beauty<\/strong> in prosthetic legs.<\/p>\n\n<p>In the industrial design studio <strong>KLONA<\/strong><a href=\"https:\/\/klona.ua\/en\/uslugi\/solid-3d-modeling\"><strong> <\/strong>create working models<\/a> that will help a person stay <strong>active<\/strong> , engaged and <strong>stylish<\/strong> . Order <strong>the best<\/strong> prosthetic leg from us, which will imitate <strong>the functions<\/strong> of the missing limb, and at the same time will not scare anyone.  <\/p>\n\n<div class=\"wp-block-yoast-seo-table-of-contents yoast-table-of-contents\"><h2>Content<\/h2><ul><li><a href=\"#h-%D0%BF%D1%80%D0%BE%D0%B8%D0%B7%D0%B2%D0%BE%D0%B4%D1%81%D1%82%D0%B2%D0%BE-%D0%BF%D1%80%D0%BE%D1%82%D0%B5%D0%B7%D0%BE%D0%B2-%D0%BD%D0%BE%D0%B3-12-%D1%88%D0%B0%D0%B3%D0%BE%D0%B2\" data-level=\"2\">Manufacture of Prosthetic Legs: 12 Steps<\/a><\/li><li><a href=\"#h-%D0%BA%D0%B0%D0%BA-%D1%80%D0%B0%D1%81%D0%BF%D0%B5%D1%87%D0%B0%D1%82%D0%B0%D1%82%D1%8C-%D0%BF%D1%80%D0%BE%D1%82%D0%B5%D0%B7-%D0%BD%D0%BE%D0%B3%D0%B8-%D1%81-%D0%B5%D1%81%D1%82%D0%B5%D1%81%D1%82%D0%B2%D0%B5%D0%BD%D0%BD%D0%BE%D0%B9-%D1%84%D0%BE%D1%80%D0%BC%D0%BE%D0%B9-3-%D1%88%D0%B0%D0%B3%D0%B0\" data-level=\"2\">How to Print a Naturally Shaped Prosthetic Leg: 3 Steps<\/a><ul><li><a href=\"#h-3d-%D1%81%D0%BA%D0%B0%D0%BD%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5\" data-level=\"3\">3D scanning<\/a><\/li><li><a href=\"#h-3d-%D0%BC%D0%BE%D0%B4%D0%B5%D0%BB%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5\" data-level=\"3\">3D modeling<\/a><\/li><li><a href=\"#h-3d-%D0%BF%D0%B5%D1%87%D0%B0%D1%82%D1%8C\" data-level=\"3\">3D printing<\/a><\/li><\/ul><\/li><li><a href=\"#h-%D1%80%D0%B0%D0%B7%D1%80%D0%B0%D0%B1%D0%BE%D1%82%D0%BA%D0%B0-%D0%BA%D0%BE%D0%BD%D1%86%D0%B5%D0%BF%D1%86%D0%B8%D0%B8-%D0%B4%D0%B8%D0%B7%D0%B0%D0%B9%D0%BD%D0%B0-%D0%BE%D0%B1%D0%BE%D0%BB%D0%BE%D1%87%D0%B5%D0%BA-%D0%BF%D1%80%D0%BE%D1%82%D0%B5%D0%B7%D0%BE%D0%B2-3d-%D0%BF%D0%B5%D1%87%D0%B0%D1%82%D1%8C\" data-level=\"2\">Development of the design concept of prosthesis shells, 3D printing<\/a><ul><li><a href=\"#h-%D0%BA%D0%BE%D0%BD%D1%82%D1%83%D1%80-%D0%BA%D0%B0%D0%B2%D0%B5%D1%80%D1%8B\" data-level=\"3\">contour covers<\/a><\/li><li><a href=\"#h-%D0%BF%D1%80%D0%BE%D1%82%D0%B5%D0%B7-%D0%BD%D0%BE%D0%B3%D0%B8-art4leg\" data-level=\"3\">Prosthetic leg Art4Leg<\/a><\/li><li><a href=\"#h-%D0%BF%D1%80%D0%BE%D1%82%D0%B5%D0%B7-%D0%BD%D0%BE%D0%B3%D0%B8-alleles-design-studio\" data-level=\"3\">Prosthetic leg Alleles Design Studio<\/a><\/li><li><a href=\"#h-%D0%BD%D0%B5%D0%BE%D0%B1%D1%8B%D1%87%D0%BD%D1%8B%D0%B5-%D0%BF%D1%80%D0%BE%D1%82%D0%B5%D0%B7%D1%8B-%D0%BD%D0%BE%D0%B3-3d-%D0%BF%D0%B5%D1%87%D0%B0%D1%82%D1%8C\" data-level=\"3\">Unusual leg prostheses, 3D printing<\/a><\/li><\/ul><\/li><li><a href=\"#h-%D1%81%D0%BE%D0%B7%D0%B4%D0%B0%D0%BD%D0%B8%D0%B5-%D0%BF%D1%80%D0%BE%D1%82%D0%B5%D0%B7%D0%BE%D0%B2-%D0%BD%D0%BE%D0%B3-%D0%BF%D1%80%D0%B8%D0%BC%D0%B5%D1%80%D1%8B\" data-level=\"2\">Creating prosthetic legs: examples<\/a><ul><li><a href=\"#h-%D0%BF%D1%80%D0%BE%D1%82%D0%B5%D0%B7-%D0%BD%D0%BE%D0%B3%D0%B8-%D1%84%D0%B8%D1%80%D0%BC%D1%8B-bespoke-innovations-3d-%D0%BF%D0%B5%D1%87%D0%B0%D1%82%D1%8C\" data-level=\"3\">Leg prosthesis by Bespoke Innovations, 3D printing<\/a><\/li><li><a href=\"#h-%D0%BF%D1%80%D0%BE%D1%82%D0%B5%D0%B7-%D1%81%D1%82%D0%BE%D0%BF%D1%8B-upya-3d-%D0%BF%D0%B5%D1%87%D0%B0%D1%82%D1%8C\" data-level=\"3\">Upya prosthetic foot, 3D printing<\/a><\/li><li><a href=\"#h-%D1%8D%D0%BA%D0%B7%D0%BE%D0%BF%D1%80%D0%BE%D1%82%D0%B5%D0%B7-%D0%BD%D0%BE%D0%B3%D0%B8-3d-%D0%BF%D0%B5%D1%87%D0%B0%D1%82%D1%8C\" data-level=\"3\">Leg exoprosthesis, 3D printing<\/a><\/li><li><a href=\"#h-%D1%81%D1%82%D0%B8%D0%BB%D1%8C%D0%BD%D1%8B%D0%B9-%D0%BF%D1%80%D0%BE%D1%82%D0%B5%D0%B7-%D0%BD%D0%BE%D0%B3%D0%B8-%D0%BE%D1%82-bespoke-innovations-3d-%D0%BF%D0%B5%D1%87%D0%B0%D1%82%D1%8C\" data-level=\"3\">Stylish prosthetic leg from Bespoke Innovations, 3D printed<\/a><\/li><\/ul><\/li><li><a href=\"#h-%D0%B2%D0%B0%D0%BA%D1%83%D1%83%D0%BC%D0%BD%D0%B0%D1%8F-%D1%84%D0%BE%D1%80%D0%BC%D0%BE%D0%B2%D0%BA%D0%B0-%D0%BF%D1%80%D0%BE%D1%82%D0%B5%D0%B7%D0%BE%D0%B2-%D0%BD%D0%BE%D0%B3\" data-level=\"2\">Vacuum forming prosthetic legs<\/a><\/li><li><a href=\"#h-%D1%81%D0%BE%D0%B7%D0%B4%D0%B0%D0%BD%D0%B8%D0%B5-%D0%B3%D0%B8%D0%BB%D1%8C%D0%B7%D1%8B-%D0%BF%D1%80%D0%BE%D1%82%D0%B5%D0%B7%D0%B0-%D0%BD%D0%BE%D0%B3%D0%B8-3d-%D0%BF%D0%B5%D1%87%D0%B0%D1%82%D1%8C\" data-level=\"2\">Creation of a sleeve for a prosthetic leg, 3D printing  <\/a><\/li><li><a href=\"#h-%D0%B8%D1%82%D0%BE%D0%B3%D0%B8\" data-level=\"2\">Outcomes<\/a><\/li><\/ul><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x43F;&#x440;&#x43E;&#x438;&#x437;&#x432;&#x43E;&#x434;&#x441;&#x442;&#x432;&#x43E;-&#x43F;&#x440;&#x43E;&#x442;&#x435;&#x437;&#x43E;&#x432;-&#x43D;&#x43E;&#x433;-12-&#x448;&#x430;&#x433;&#x43E;&#x432;\">Manufacture of Prosthetic Legs: 12 Steps<\/h2>\n\n<p>1. We examine <strong>the positions<\/strong> .<\/p>\n\n<p>We find out what <strong>the motivation<\/strong> is, for example, <strong>aesthetics<\/strong> , the ability to travel or play <strong>sports<\/strong> , and whether there are <strong>diseases<\/strong> that will not allow wearing the prosthesis for a long time.<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/M4LijvtISo1InMBZClVVPbFNklIlASQp4TGA88c9IR7ndrNXhl5P3ZQJ2SUBoyuFG5kkE16v_srbo3ofpn8pXRhH7D3jAgBDsFGoKygdS05PFb-7b7DX15cNhYcHcNHpFG7DwF4zIvKLBSNMcxlA0Q\" alt=\"Leg prosthesis, case\"\/><figcaption class=\"wp-element-caption\"><em>3D printed custom prosthetic leg case<\/em><\/figcaption><\/figure>\n\n<p>2. We select <strong>components<\/strong> .<\/p>\n\n<p>We choose <strong>the design<\/strong> of the future prosthesis of the leg, the method <strong>of attachment<\/strong> and <strong>materials<\/strong> . The decision is influenced by the state <strong>of the stump<\/strong> and muscle <strong>tone<\/strong> , as well as the presence <strong>of allergies<\/strong> . If <strong>a silicone<\/strong> case is used, then we select its <strong>model<\/strong> and <strong>thickness<\/strong> , and then we discuss whether there will be a textile <strong>coating<\/strong> and what is the method <strong>of fixation<\/strong> .<\/p>\n\n<p>3. We select the type of <strong>knee<\/strong> module if the amputation is above the knee.<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/PiWT0KTdF_befQDsxgAMmxcTbD0nYwh1dk30cO4CaMvLuCV5Y7pd8LIMlrLhRL2k2jFq0q8DhynYm9MkJ34zMlpheRwkFZSezP8iSXOpdhM6r9vMgUclLQODstrTWjoHlVtUqvxKbI_cEa_JvC5nvA\" alt=\"knee knots\"\/><figcaption class=\"wp-element-caption\"><em>Leg Prostheses: Knee Models<\/em><\/figcaption><\/figure>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/XHpDg156dt9B7D701juW5kacIGqzsEr1XLhnj2BlDTgtC_2KU8u8nO0FymRj1JG2QBAIU1PKchQpxVRhqsEID4NxE7tT_KumD_a5c34eC7qf5iwMJ3yWeOmxpMSBFV_AFUfOuwu5OfITX9sPna8_AQ\" alt=\"knee knot\"\/><figcaption class=\"wp-element-caption\"><em>Modular sports knee joint with diluent oil<\/em><\/figcaption><\/figure>\n\n<p>4. Remove the plaster <strong>cast<\/strong> from the stump.<\/p>\n\n<p>5. We make <strong>a trial<\/strong> sleeve.<\/p>\n\n<p>6. We do a <strong>preliminary<\/strong> assembly.<\/p>\n\n<p>7. <strong>Trying on<\/strong> .<\/p>\n\n<p>We check the assembly accuracy in statics and dynamics. We adjust the height.<\/p>\n\n<p>8. <strong>We train<\/strong> .<\/p>\n\n<p>A person learns to put on a prosthesis and move confidently on it.<\/p>\n\n<p>9. Testing.<\/p>\n\n<p>We check the work of the prosthesis in <strong>everyday<\/strong> conditions.<\/p>\n\n<p>10. We analyze flights.<\/p>\n\n<p>We discuss <strong>the comments<\/strong> identified in the test mode, correct some settings, and then <strong>finalize<\/strong> the prosthesis.<\/p>\n\n<p>11. Create <strong>a permanent<\/strong> sleeve.<\/p>\n\n<p>We can draw <strong>a picture<\/strong> on request.<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/9h4eXO83z5cTNVH0qJNuRN-TXYvRMVew48UcJBJOdb35Ql5hIRUpDBlwCzzgAk-JJjgRm6zuet5Z_X_nTGiyYwVhlMuzPLjHmwW5f0YCIxawWZsHtoyUA5LFGleNY8X21bhsBmLusniGjklmzqeXhg\" alt=\"Patterned leg prosthesis\"\/><figcaption class=\"wp-element-caption\"><em>Custoprothetik &#8211; prosthetic leg in urban style<\/em><\/figcaption><\/figure>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/vk8NsdEumeSNTuXsAqY48vmwe1d08u1gLwWMsKnGEIsp9E5WBtbx9cBR6zdVUYUn_Xay4d-0_z1a1U6f-HFf2sXqPx7EFIYeceeLIVlkSfH_sCK55WrhxfCUVwln4LTxFo9o7RxY0jo6HEB3QeAFig\" alt=\"Patterned leg prosthesis\"\/><figcaption class=\"wp-element-caption\"><em>A prosthetic leg that became a canvas<\/em><\/figcaption><\/figure>\n\n<p>12. We develop <strong>the coating<\/strong> of the prosthesis.<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/HbbL9yMRWqdqdUgr7w8Tspq0LU01qUi-gkbCapiEOSnjW1i5WTnqPGMPjWm_H7tPvmbZwTeGKZF4WLYpg2rLzwyc8ucAcesvMeeykjnj_r2O3rP_UbMWFOfaFo5fMcqPXMRKXkDjCSg-3aj0YP7FLg\" alt=\"Leg prosthesis, body\"\/><figcaption class=\"wp-element-caption\"><em>Coated leg prosthesis, 3D technology<\/em><\/figcaption><\/figure>\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Design your own prosthetic\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/7WaxyuS8vDc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><figcaption class=\"wp-element-caption\"><em>Create your own prosthesis<\/em><\/figcaption><\/figure>\n\n<p>Let&#8217;s talk about how cosmetic <strong>shells<\/strong> are made, which <strong>hide<\/strong> the metal parts <strong>of the prosthesis<\/strong> , and at the same time completely duplicate <strong>the shape of<\/strong> a healthy leg. And also about creating <strong>a sleeve<\/strong> that will be comfortable already at the first fitting.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x43A;&#x430;&#x43A;-&#x440;&#x430;&#x441;&#x43F;&#x435;&#x447;&#x430;&#x442;&#x430;&#x442;&#x44C;-&#x43F;&#x440;&#x43E;&#x442;&#x435;&#x437;-&#x43D;&#x43E;&#x433;&#x438;-&#x441;-&#x435;&#x441;&#x442;&#x435;&#x441;&#x442;&#x432;&#x435;&#x43D;&#x43D;&#x43E;&#x439;-&#x444;&#x43E;&#x440;&#x43C;&#x43E;&#x439;-3-&#x448;&#x430;&#x433;&#x430;\">How to Print a Naturally Shaped Prosthetic Leg: 3 Steps<\/h2>\n\n<p>The <strong>3D<\/strong> printed <strong>prosthesis<\/strong> is a realistic <strong>coating<\/strong> that surrounds a metal bar and mimics the shape of a lost leg.<\/p>\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"PDI Squirt Shape 3D Printer\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/eyoYUzwVl5I?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><figcaption class=\"wp-element-caption\"><em>3D Printer PDI Squirt Shape<\/em><\/figcaption><\/figure>\n\n<p>In order to create <strong>a coating<\/strong> that perfectly fits <strong>the limb,<\/strong> <strong>measurements<\/strong> are first taken, and then <strong>a prototype<\/strong> is made and <strong>post-processed<\/strong> .<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-3d-&#x441;&#x43A;&#x430;&#x43D;&#x438;&#x440;&#x43E;&#x432;&#x430;&#x43D;&#x438;&#x435;\">3D scanning<\/h3>\n\n<p>Measurements are taken with a scanner. <strong>A scan<\/strong> is a <strong>point<\/strong> cloud that serves <strong>as a blank<\/strong> for modeling <strong>a rigid<\/strong> body. If possible, both legs <strong>are scanned<\/strong> &#8211; <strong>healthy<\/strong> and <strong>damaged<\/strong> .<\/p>\n\n<p>The <strong>EinScan Pro<\/strong> line of 3D scanners scans the human foot in seconds.  <\/p>\n\n<figure class=\"wp-block-image is-resized\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/_0JrKaGm6CIZJ38qZxNT4CEW9HD08ayRHUAcywCfdVyS4zkPs8EzEvtKoy-eslPQeGRGrUBXPSNNQL_zbGFHJIr17aFcZ5K7v_2hj2vQ82qJqs__pRSlvBOxSwdpMixXE_2YAmeoL8JCfRa9H1Ki8g\" alt=\"3D scanner\" width=\"500\" height=\"500\"\/><figcaption class=\"wp-element-caption\"><em>EinScan-Pro+ 3D scanner takes measurements to create 3D leg models<\/em><\/figcaption><\/figure>\n\n<p>The latest technologies allow you to take <strong>measurements<\/strong> from the prosthesis <strong>remotely<\/strong> . They are used <strong>to develop<\/strong> overlays with an accuracy of <strong>99%<\/strong> .<\/p>\n\n<p>After scanning, <strong>the data<\/strong> is processed and <strong>set up<\/strong> for <strong>3D printing<\/strong> .<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-3d-&#x43C;&#x43E;&#x434;&#x435;&#x43B;&#x438;&#x440;&#x43E;&#x432;&#x430;&#x43D;&#x438;&#x435;\">3D modeling<\/h3>\n\n<p><strong>A 3D prototype<\/strong> of the prosthesis is created according to <strong>the size<\/strong> and shape of a <strong>healthy<\/strong> leg. This stage is labor intensive. The task is to create <strong>a 3D model<\/strong> <strong>from two point clouds<\/strong> obtained after scanning a healthy and injured leg, taking into account all the wishes of the client. If there is only one leg, then after scanning they create a <strong>design<\/strong> file, making <strong>a mirror<\/strong> image <strong>of a healthy<\/strong> leg.<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/6n0nJtI5pm8Iug4WpVd9gy8iNAyyaWsrR14sPCRNisrySaf0m4RMahKb-lO4Dv-Q3RhuIWO70fWx4ni7BQqqFdgJzsNl6cAnKo7dlFta2eY2cUO386UupuBqDSqDsyRlLTwpRyVwXZbS7Cbr6YVRgg\" alt=\"3d models\"\/><figcaption class=\"wp-element-caption\"><em>3d model of legs<\/em><\/figcaption><\/figure>\n\n<p>Solution:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>3D <strong>solid<\/strong> <strong>modeling<\/strong> of both legs in the <strong>SolidWorks<\/strong> product development CAD software package;<\/li>\n\n\n\n<li>the model <strong>of a healthy<\/strong> limb <strong>is mirrored<\/strong> , corrections are made for height;<\/li>\n\n\n\n<li>from the mirrored leg, the volume model of the <strong>damaged<\/strong> leg <strong>is subtracted<\/strong> , taking into account <strong>the allowances<\/strong> for skin breathing.<\/li>\n<\/ul>\n\n<p>If <strong>the data<\/strong> was acquired from an <strong>EinScan-Pro<\/strong> 3D scanner, it is exported to <strong>Geomagic Essentials<\/strong> , a software for <strong>transferring<\/strong> scan measurements to a <strong>CAD<\/strong> platform. Processing is carried out in the <strong>Solid Edge<\/strong> program, which is designed for reverse <strong>engineering<\/strong> 3D scans.<\/p>\n\n<p><strong>A 3D model<\/strong> of the future prosthesis is sent to the customer along with a library of <strong>templates<\/strong> . The selected <strong>template<\/strong> will become the basis for <strong>the covering<\/strong> , flowing around the prosthesis.<\/p>\n\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/rGUDTSfZ6_gPm_pILLvwihwfp3Lxc5otI1NfUIOYMG_NaaNt7Q9VEjHw_SDRKPqoe4tzwMGmb_tR4fxhGxe-nTabJMrpIfmBeGFA9VnXUNHPA-xUule8GqcjSeWAkmHsSAmB_OUyee_Wc1bV2YKKaA\" alt=\"3d model of the foot\" width=\"564\" height=\"520\"\/><figcaption class=\"wp-element-caption\"><em>Realistic 3d model of the foot<\/em><\/figcaption><\/figure>\n\n<p>You can design and create a 3D model of prosthetic <strong>fixtures<\/strong> in <strong>SolidWorks<\/strong> and then integrate it into the main <strong>3D model<\/strong> .<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-3d-&#x43F;&#x435;&#x447;&#x430;&#x442;&#x44C;\">3D printing<\/h3>\n\n<p>After the designer and the customer <strong>agree on the design<\/strong> , the final digital file is sent to <strong>print<\/strong> .<\/p>\n\n<p>This is the final stage. The white plastic PA 2200, also known as <strong>polyamide<\/strong> , is ideal for a prosthesis that will be used <strong>frequently<\/strong> as it is <strong>lightweight<\/strong> and <strong>durable<\/strong> .<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/9MSfw-rpyEKaXip9hPYtRahzp3zoMIqCR1GkvUBvGD-LdEeGOFHg19eajoEkEidoFqRef9EBK9w03NYAq_hqLiHdW5yY5zWIbfRQnUaBHK5WhTq-jg7HAA-klc_bGXt5ANIgp83IrsUEYy6VGspzNg\" alt=\"Leg prosthesis, 3D printing\"\/><figcaption class=\"wp-element-caption\"><em>Complex prosthetic leg, 3D printed  <\/em><\/figcaption><\/figure>\n\n<p>In the production of polyamide prostheses, <strong>selective<\/strong> laser sintering technology is used, in which <strong>the laser<\/strong> builds up a three-dimensional model in the right places.<\/p>\n\n<p>After fitting the prosthesis, the following are analyzed:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>how <strong>fasteners<\/strong> work;<\/li>\n\n\n\n<li>whether <strong>the body<\/strong> sat on the leg;<\/li>\n\n\n\n<li>whether <strong>a layer<\/strong> is needed between the stump and the prosthesis, since the limb sweats;<\/li>\n\n\n\n<li><strong>roughness<\/strong> of the texture of the material.<\/li>\n<\/ul>\n\n<p>The first <strong>prototype<\/strong> is fully 3D printed and then <strong>post-processed<\/strong> to make the prosthesis look complete.<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/sWuZ-FFFdHkkq6sPr1idJMLNkMR8bcO8BQY7eARTvBgzUx1Y49qqH5OVuMUnMcfCVcrvFNjcJ5ofZej-ukDhnChuvA-15Yp_Wh1xMgH3gFSR45dym23HI5pzit2UylxRir9a1Aor1pZaFf4CK3ZxYA\" alt=\"Leg prosthesis, case\"\/><figcaption class=\"wp-element-caption\"><em>Cover for a prosthesis that follows the shape of the leg<\/em><\/figcaption><\/figure>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x440;&#x430;&#x437;&#x440;&#x430;&#x431;&#x43E;&#x442;&#x43A;&#x430;-&#x43A;&#x43E;&#x43D;&#x446;&#x435;&#x43F;&#x446;&#x438;&#x438;-&#x434;&#x438;&#x437;&#x430;&#x439;&#x43D;&#x430;-&#x43E;&#x431;&#x43E;&#x43B;&#x43E;&#x447;&#x435;&#x43A;-&#x43F;&#x440;&#x43E;&#x442;&#x435;&#x437;&#x43E;&#x432;-3d-&#x43F;&#x435;&#x447;&#x430;&#x442;&#x44C;\">Development of the design concept of prosthesis shells, 3D printing<\/h2>\n\n<h3 class=\"wp-block-heading\" id=\"h-&#x43A;&#x43E;&#x43D;&#x442;&#x443;&#x440;-&#x43A;&#x430;&#x432;&#x435;&#x440;&#x44B;\">contour covers<\/h3>\n\n<p>Made according to taken measurements, weight \u2248 <strong>400 g<\/strong> .<\/p>\n\n<p>When developing it is important:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>study <strong>the design<\/strong> of the prosthesis;<\/li>\n\n\n\n<li>consider how <strong>to fix<\/strong> the contour cover so that it does not cling to anything and <strong>does not prevent<\/strong> the artificial limb from bending;<\/li>\n\n\n\n<li>make sure that the part imitating <strong>the calf<\/strong> muscle is <strong>not<\/strong> <strong>low<\/strong> , as this looks unnatural.<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/XMn7VJ0Z_mR4FzZOu92HjLZHB4pzNLqHM3axRn_uMRJlzDsj9GO3g_WYAlpbLtj_Y_pl07nIN04rPczPrebNRWINaML_4Gk5_X4kkuZ6DhdEpZYeTNIPfhn2YLZ7HO0AqA27mSDSg2DFGxQX6MmoCw\" alt=\"Outline covers, 3D printing\"\/><figcaption class=\"wp-element-caption\"><em>Denture overlays, fashionable and functional<\/em><\/figcaption><\/figure>\n\n<p>Concept: <strong>Wear<\/strong> prosthetics like fashion, <strong>change<\/strong> like watches and cell phones.<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/K6KnQIUG0Wv8_KR5fmcHE8N1HPBrs_22UsWoA6CKkSG93wWnPi0C-J1DEGyWxaBGNVJacUTPZBjLAUSjcB-PDj4cD8PB8GJrUszIOZcAO4AyA4mSBxY-bn1mODbUo_jEB8I-EYXd5JNjFHKdv_0wzQ\" alt=\"Stylish contour cover, 3D printing\"\/><figcaption class=\"wp-element-caption\"><em>Leg prosthesis pad, 3D printing<\/em><\/figcaption><\/figure>\n\n<p>Such a cover visually makes the leg prosthesis a stylish <strong>accessory<\/strong> , similar to a modern <strong>gadget<\/strong> .<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/aAe2gp8yMKprBS50Qb6oRPpqIAEBk7UJ0isN5hOFSZTo9_fV9_qSD7tUpdmqALwhROD4w82h5ysK_WoibpSpM1WzvliA75hY-O4ChbToUab83r6tQv_eq8z95vcZjXxs48hDMGlU7aoRMDYgAQIM7A\" alt=\"Contour cover, 3D printing\"\/><figcaption class=\"wp-element-caption\"><em>Silver contour cover for a prosthetic leg<\/em><\/figcaption><\/figure>\n\n<p>In models where <strong>graphics<\/strong> are applied, special <strong>foil<\/strong> is used. The surface is often meshed for <strong>ventilation<\/strong> .<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/MJhZPUqJj2eD0HQZ4_G6swOoxmh6EPFXgHBOH7EB8xyd2AIrfen9R7csnEIykBgb-5D_fCS7WcMzSq8seqIvDODv_RbwU0oMJHMTCicyepgrkb3YZi9gEHw9N3pQm5T4aDoqUxOKakiNP3elPFKOrA\" alt=\"Pads for a prosthetic leg, 3D printing\"\/><figcaption class=\"wp-element-caption\"><em>Leg Prosthesis: Overlays Printed by Studio Design Reality<\/em><\/figcaption><\/figure>\n\n<p>Thanks to the aesthetic <strong>coating<\/strong> , which is put on the prosthesis and shapes the shape of the leg, it is possible to wear <strong>a dress<\/strong> and tight <strong>jeans<\/strong> . <strong>Four designs<\/strong> of the core were made: ribbed, solid, with diamond-shaped and cylindrical holes.<\/p>\n\n<p><strong>Chip<\/strong> : instead of liquid resin, plastic <strong>powder<\/strong> fused <strong>with a laser<\/strong> is used. This makes the material <strong>durable<\/strong> .<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-&#x43F;&#x440;&#x43E;&#x442;&#x435;&#x437;-&#x43D;&#x43E;&#x433;&#x438;-art4leg\">Prosthetic leg Art4Leg<\/h3>\n\n<p>The Art4Leg concept is beautiful and <strong>customized<\/strong> skins.<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/W46VzQNZGvJhQAoQqUdrSEqZCeDa8ug1UxjCxaMCZIIwf15rcSdSqAw2nA0cet_n9C1DZ992B-HLUEmmisfz4Freev2Hen57mgpLlOGWqjF3Mszj2iOEMfm5yQgNYxlZDuWaf4d3ETQszYlB-PMOYA\" alt=\"Prosthetic leg that mimics the natural shape\"\/><figcaption class=\"wp-element-caption\"><em>Stylish leg prosthesis, 3D printing<\/em><\/figcaption><\/figure>\n\n<p><strong>Feature<\/strong> : the cover is attached to the prosthetic leg with strong <strong>magnets<\/strong> , so it can be <strong>fixed<\/strong> or <strong>removed<\/strong> in a few seconds. Magnets hold the front and back panels <strong>tightly<\/strong> .<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/ZiEIK7n3Z8Rtc19yUYNf_dVBgVSECANUYVxNM_DHT_aieg0ZN6iNW6GItxfDfjZmPD8nmtYz1hODGDUvtzsSUC4U8Wi9Ax9wvYA9NvUO_5bncoSEXmPKtLdqdcNT-shv6zFy0OGnAiwwbxc3jzLeMQ\" alt=\"Prosthetic leg that mimics the natural shape\"\/><figcaption class=\"wp-element-caption\"><em>Art4Leg leg prosthesis: contours of uniqueness<\/em><\/figcaption><\/figure>\n\n<h3 class=\"wp-block-heading\" id=\"h-&#x43F;&#x440;&#x43E;&#x442;&#x435;&#x437;-&#x43D;&#x43E;&#x433;&#x438;-alleles-design-studio\">Prosthetic leg Alleles Design Studio<\/h3>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/LfJG9joLX_TKX-zismLo0QFrhq_ifoUNMNFTLNLHfSl3AclFkEPXwYY95n4rUqLAbiCKY_2inJnzjERnhrS6VGET3Ntgtff_u4IfVT9oltlFsFLp9nR7wQHeReLc2dZL82nRWt4siXmuei4S-15F0A\" alt=\"Prosthetic leg that mimics the natural shape\"\/><figcaption class=\"wp-element-caption\"><em>3D printed prosthetic leg fairing<\/em><\/figcaption><\/figure>\n\n<p>Canadian studio Alleles Design Studio has developed <strong>a collection<\/strong> of prosthetic legs that restore the human <strong>silhouette<\/strong> . These covers have <strong>a natural<\/strong> shape. Patterns and colors are selected to match with <strong>clothing<\/strong> .<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-&#x43D;&#x435;&#x43E;&#x431;&#x44B;&#x447;&#x43D;&#x44B;&#x435;-&#x43F;&#x440;&#x43E;&#x442;&#x435;&#x437;&#x44B;-&#x43D;&#x43E;&#x433;-3d-&#x43F;&#x435;&#x447;&#x430;&#x442;&#x44C;\">Unusual leg prostheses, 3D printing<\/h3>\n\n<p>Onlays turn a prosthesis into something amazing, not only through patterns, graphics and tattoos, but also through <strong>materials<\/strong> such as <strong>leather<\/strong> , ballistic nylon <strong>fabric<\/strong> and <strong>chrome plating<\/strong> .<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/GC7gHc1XFijQuMHmf6r1Va16D8MeqzNVtVSMnm9DkWgUuzXF18-4spWmg9Rd1eepoEtTzp2TOWQv-nZcSkdzjJHTVlMUegyADVK9ei2vrccSI8WYm0lE-zDqklZs119uZdCf9SFhqbrmBOGWTZJSxw\" alt=\"Prosthetic leg that mimics the natural shape\"\/><figcaption class=\"wp-element-caption\"><em>Leg prosthesis as an accessory<\/em><\/figcaption><\/figure>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/cqc1eJk2o-pK43N_eXwbdiIN1rLxowi0Of9Fs9PSjW5D597SYvklCSSZ7UQ9gky1wjrW3Mn3N8R_B7im1NXVyHiOdPD4ll6mMaDbHKq1Baga9LDr-hiPnZbzeDWbH39zGMFx90LzY1pXQVSL44HDXA\" alt=\"Leg prosthesis, 3D printing\"\/><figcaption class=\"wp-element-caption\"><em>Gladiator \u2161 3D printed prosthetic leg<\/em><\/figcaption><\/figure>\n\n<p>The goal of the designer is to make the prosthesis <strong>unique<\/strong> . Styles range from medieval to high tech.<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/shhdSJ1pog5K2P7iNJm61XeTTd8eSwN1SG87awfo_vV1hwoR3n6_IdfYZrrrssCf3DgMQv63cXSuhPmsJXOdgU9eVI3f5sCaDLKVP0x5eY0FRBBg0ve-RYqUgYq8WB0oS3QfGbBD7dP5r-8UAo2P2g\" alt=\"Leg prosthesis, 3D printing\"\/><figcaption class=\"wp-element-caption\"><em>Leg prosthesis as art, YVMIN jewelry brand<\/em><\/figcaption><\/figure>\n\n<p>The body is made of <strong>nylon<\/strong> and <strong>resin<\/strong> . To create a frame that is easy to put on, designers work with <strong>3D scans.<\/strong><\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/xs2elZIsyRE_rX3p439Uctz0KPexT7UkFxV5ca5sxrUFMe9sNsGMJBZgbu9TZ8JPYEGJBRIZ2rT8zOti15XPkl_DdYDMZ0E_m8hNH2TRMTveZCQXKrsFPqsImow3_SpoA5BQKFeYpfiOrXgCM9KR5Q\" alt=\"Mesh leg prosthesis, 3D printing\"\/><figcaption class=\"wp-element-caption\"><em>Prosthetic leg Bespoke Innovations: self-expression through design<\/em><\/figcaption><\/figure>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/rE5mz7MCkiwOaGwY3pzPN7yD7Ee89O6_uL3EvtXRmCr2F5n_6aIc0Z7SSvvou_4rVFSLm4KVM1sBaN_zbeBX0YphE2iUA6cLjM5-fctiOcItYsMOywdx2mFIyU4ilmqYM4D_oPM0IAldqmPJsoQBxg\" alt=\"Leg prosthesis, 3D printing\"\/><figcaption class=\"wp-element-caption\"><em>Below the knee prosthesis &#8211; a design that emphasizes individuality<\/em><\/figcaption><\/figure>\n\n<p>See also: <a href=\"https:\/\/klona.ua\/en?p=25174&amp;nowprocket=1\">Why bionic leg prostheses are more interesting than mechanical ones: industrial design<\/a><\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x441;&#x43E;&#x437;&#x434;&#x430;&#x43D;&#x438;&#x435;-&#x43F;&#x440;&#x43E;&#x442;&#x435;&#x437;&#x43E;&#x432;-&#x43D;&#x43E;&#x433;-&#x43F;&#x440;&#x438;&#x43C;&#x435;&#x440;&#x44B;\">Creating prosthetic legs: examples<\/h2>\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"3D Printing for Prosthetics\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/R4LqrX8G13g?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><figcaption class=\"wp-element-caption\"><em>3D printing for prostheses<\/em><\/figcaption><\/figure>\n\n<h3 class=\"wp-block-heading\" id=\"h-&#x43F;&#x440;&#x43E;&#x442;&#x435;&#x437;-&#x43D;&#x43E;&#x433;&#x438;-&#x444;&#x438;&#x440;&#x43C;&#x44B;-bespoke-innovations-3d-&#x43F;&#x435;&#x447;&#x430;&#x442;&#x44C;\">Leg prosthesis by Bespoke Innovations, 3D printing<\/h3>\n\n<p>The design goal is to combine robust <strong>construction<\/strong> and custom <strong>design<\/strong> .<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/1qBZb_sixpBHotqekc3sgNu80HGqZ4cbjir8tSTu8Gz6u5jb4ZPyevBbj8g8qX5nIFbJ4J6mmu1VehQPM81KtSySKRMQTXD7O5FDzq7_9VzZIBD_HAb7_tye1-IVNoBLSWkVG9CkaCjUo-b0Bu4ohg\" alt=\"Leg prosthesis, 3D printing\"\/><figcaption class=\"wp-element-caption\"><em>3D printed prosthetic leg, design: Scott Summit<\/em><\/figcaption><\/figure>\n\n<p>Industrial designer Scott Summit <strong>3D prints<\/strong> <strong>beautiful<\/strong> prostheses.<\/p>\n\n<p>An accurate <strong>graphic<\/strong> model of the prosthesis is created using 2D and 3D drawing software. These are <strong>GeoMagic<\/strong> , a program for transitioning from <strong>a 3D scan<\/strong> to <strong>a CAD model<\/strong> , and <strong>Pro\/Engineer Creo<\/strong> , a full-featured <strong>CAD program<\/strong> for developing virtual models.<\/p>\n\n<p>The prosthesis is made using 3D Systems Selective Laser Sintering, a printing <strong>technology<\/strong> in which layers of material <strong>are fused<\/strong> into a part <strong>with a laser<\/strong> .<\/p>\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"What is Selective Laser Sintering (SLS) 3D Printing?\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/848x-5rKhNk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><figcaption class=\"wp-element-caption\"><em>Selective laser sintering (SLS)<\/em><\/figcaption><\/figure>\n\n<p>The leg was printed based on <strong>a scan<\/strong> of a healthy leg on <strong>the opposite<\/strong> side of the body, as well as additional <strong>biometric<\/strong> data. This artificial limb has one <strong>joint<\/strong> for <strong>the knee<\/strong> , which makes the assembly of parts more reliable.<\/p>\n\n<p><strong>Feature<\/strong> : <strong>36<\/strong> ceramic <strong>bearings<\/strong> surround the knee shaft , so the entire leg <strong>is waterproof<\/strong> .<\/p>\n\n<p><strong>The knee<\/strong> is blocked by a built-in belt <strong>brake<\/strong> . Prosthesis material &#8211; Duraform EX Black, <strong>polyamide<\/strong> .<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-&#x43F;&#x440;&#x43E;&#x442;&#x435;&#x437;-&#x441;&#x442;&#x43E;&#x43F;&#x44B;-upya-3d-&#x43F;&#x435;&#x447;&#x430;&#x442;&#x44C;\">Upya prosthetic foot, 3D printing<\/h3>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/kW-xdGe3svQvNwJxuQn2i-HpFzkLMw0anBB9OF3Hf6st8v6WSdwq1nDb7GszE9CvkuZYAN6901bYz7Z8A62CgnyaBvnEIyEJizQKJiqHQPlUwjOuTVXXVp6g2CUwmDdc2FWD6zsNvSFgOjSSke7h-w\" alt=\"3D model of the foot\"\/><figcaption class=\"wp-element-caption\"><em>3D model of the human foot<\/em><\/figcaption><\/figure>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/9QxS41qXxM3wJwY3i9gdepNt8T0rjzgonAmKP7m2FT0KfzmoLFxI_etkAIGSHXzVq0aEdF0h9_TXDS8zHVZXbrsSqnWk5lcKii6Yk8JIMlPWsPht1A0S_J2Q4A-jhxMHi8W_wy9Ux4NrrkGu7vM2QQ\" alt=\"\"\/><figcaption class=\"wp-element-caption\"><em>Upya is a 3D printed prosthetic foot<\/em><\/figcaption><\/figure>\n\n<p>3D printed parts can be assembled in less than five minutes and can also be customized to fit the patient. <strong>Materials<\/strong> : reinforced <strong>polyamide<\/strong> , fiberglass, aluminum and polyurethane foam.<\/p>\n\n<p><strong>The design<\/strong> of the prosthetic foot is based on <strong>biomimicry<\/strong> . Its purpose is to provide a comfortable walking experience.<em> <\/em>The blade set, spring and cushioning system <strong>mimic tendons and muscles to replicate the energy and dynamics of the human stride.<\/strong><\/p>\n\n<p>Ankle, heel and toes <strong>are shown<\/strong> in the form, which can then be <strong>encased<\/strong> .<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-&#x44D;&#x43A;&#x437;&#x43E;&#x43F;&#x440;&#x43E;&#x442;&#x435;&#x437;-&#x43D;&#x43E;&#x433;&#x438;-3d-&#x43F;&#x435;&#x447;&#x430;&#x442;&#x44C;\">Leg exoprosthesis, 3D printing<\/h3>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/PorS8x6nUrtwaKxIwk9_xM6xPMTAWgCNl1gI0uYJq984gtnzqIYoTVUZHqX6Qg5OMKwUbXdyiXmN5ArtJEvQ-7SHrLnN7PpQwaqFrgG4z719ZAXwagicRB-soOERN0dLSNEYi0f9D0r8dc4SkG1LnA\" alt=\"Wire leg prosthesis\"\/><figcaption class=\"wp-element-caption\"><em>Original 3D printed leg prosthesis<\/em><\/figcaption><\/figure>\n\n<p>Such a leg is an alternative to the traditional robotic prosthesis due to <strong>3D scanning<\/strong> , <strong>modeling<\/strong> and <strong>printing<\/strong> technologies. The created titanium exoskeleton accurately reproduces <strong>the shape<\/strong> of an amputated <strong>limb<\/strong> .<\/p>\n\n<p>Using FitSocket <strong>technology,<\/strong> leg tissues <strong>are analyzed<\/strong> . Measurements are taken <strong>to the nearest millimeter<\/strong> .<\/p>\n\n<p>The 3D mesh <strong>model<\/strong> of the prosthesis <strong>is combined<\/strong> with the standard <strong>mechanisms<\/strong> inside the exoprosthesis.<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/bj5rODY6cA4U1RhA3OmOkGUyAHDQmiu0XhrNtYo6v0PdSoVMcPhqxujjCsUf7yvjiyOVYlYD4ubUtY_itSdCpzQhyOimAj9ByKMR-ODyyz4TFadyrOxyOs_7ey51AE-Vawry6wZosruByeJW5huVXQ\" alt=\"Wire leg prosthesis\"\/><figcaption class=\"wp-element-caption\"><em>The Exo prosthetic leg mimics the natural shape of the limb<\/em><\/figcaption><\/figure>\n\n<p>To personalize the prostheses, <strong>patterns<\/strong> are made from a lightweight but durable <strong>titanium<\/strong> mesh, the color of which the person chooses. To reduce weight, the frame <strong>is hollow<\/strong> and can be coated <strong>with silicone<\/strong> .<\/p>\n\n<p>Printed as <strong>a single<\/strong> 3D exoskeleton, the prosthesis is immediately ready for <strong>assembly<\/strong> . Using <strong>3D<\/strong> printed <strong>connectors<\/strong> , standard prosthesis components are inserted into the leg and <strong>secured<\/strong> securely.<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-&#x441;&#x442;&#x438;&#x43B;&#x44C;&#x43D;&#x44B;&#x439;-&#x43F;&#x440;&#x43E;&#x442;&#x435;&#x437;-&#x43D;&#x43E;&#x433;&#x438;-&#x43E;&#x442;-bespoke-innovations-3d-&#x43F;&#x435;&#x447;&#x430;&#x442;&#x44C;\">Stylish prosthetic leg from Bespoke Innovations, 3D printed<\/h3>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/uOfpa8AXQ8gGO4ZgS2ElwVq4SBXEoyDMYvGbC7mX4YlIh9gJx07WP8-2cfK0w1UKLmcCZVCakGmYzfctb3bRxkIcOyvt0O8jveHD0Xwb5hiC-mGqj7wXzY4ZRts2Cs6j1HeV36z9W48jZ_fNCFQsWg\" alt=\"Stylish prosthetic leg printed on a printer\"\/><figcaption class=\"wp-element-caption\"><em>Prosthetic leg with fairing<\/em><\/figcaption><\/figure>\n\n<p><strong>The style<\/strong> of this cover is a black <strong>lace<\/strong> pattern on the front and a shiny <strong>chrome<\/strong> back. The leg has returned to <strong>its natural<\/strong> <strong>shape<\/strong> , and the girl can wear skirts and dresses again, as well as <strong>change<\/strong> different <strong>fairings<\/strong> depending on her mood, activity or clothes.<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/HYulshZgRLCc84NQ6zaYkkRXaEqOrmSfUnGYo6gpK8YmdDAjeBuhaiywbGjo1QKmNQGDihNsFv1YoWtIyt4rBAPANlKLiruhNrQ4LJW7MHUBH9vJuoFc4i0TzMDNk7YJb8PEeP-uiiRDJrXHtRczAg\" alt=\"Prosthetic leg, the appearance of which can be changed\"\/><figcaption class=\"wp-element-caption\"><em>Prosthetic leg with interchangeable fairings<\/em><\/figcaption><\/figure>\n\n<p>A 3D printer can print <strong>three-dimensional<\/strong> models in <strong>plastic<\/strong> , plaster, or <strong>metal<\/strong> . The resulting prosthesis will fit a person in <strong>size<\/strong> , while it will be <strong>comfortable<\/strong> and beautiful.<\/p>\n\n<p>See also: <a href=\"https:\/\/klona.ua\/en?p=25129&amp;nowprocket=1\">Bionic prosthetic hand: industrial design for a fulfilling life<\/a><\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x432;&#x430;&#x43A;&#x443;&#x443;&#x43C;&#x43D;&#x430;&#x44F;-&#x444;&#x43E;&#x440;&#x43C;&#x43E;&#x432;&#x43A;&#x430;-&#x43F;&#x440;&#x43E;&#x442;&#x435;&#x437;&#x43E;&#x432;-&#x43D;&#x43E;&#x433;\">Vacuum forming prosthetic legs<\/h2>\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"\u0412\u0430\u043a\u0443\u0443\u043c\u043d\u0430\u044f \u0444\u043e\u0440\u043c\u043e\u0432\u043a\u0430 | \u041f\u0435\u0440\u0432\u044b\u0439 \u043e\u043f\u044b\u0442\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/f5Zus1Sgdj8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><figcaption class=\"wp-element-caption\"><em>Vacuum forming | First experience<\/em><\/figcaption><\/figure>\n\n<p>When molded, the overlay is <strong>lighter<\/strong> , <strong>stronger<\/strong> , and requires less processing than 3D printing.<\/p>\n\n<p>Technology: sheet <strong>plastic<\/strong> is heated, then <strong>stretched<\/strong> around <strong>the matrix<\/strong> under the influence of suction, and as a result takes on a given shape.<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/Eoxo5DteuF76In5_fBeS9NKUlMzYWdvqTAgW8Dqkrq0GBOnym9VJ_obe1ZWflLv7ZZeHqvmtoN_zIQSnOVfxTG78mLkpoZna7eYWJVYATMvus_dWI5pVS3YwSb8NAR5MtNeteIeMLF-s9vBX163AYA\" alt=\"Black and white prosthetic leg, 3D printed\"\/><figcaption class=\"wp-element-caption\"><em>Body of prosthetic leg<\/em><\/figcaption><\/figure>\n\n<p>With this technology, <strong>the overlays<\/strong> are made of sheet <strong>plastic<\/strong> , and additional parts and <strong>fasteners<\/strong> are printed out. <strong>The fairing<\/strong> is then <strong>painted<\/strong> and <strong>textured<\/strong> . The design is taken from <strong>the catalog<\/strong> or <strong>developed<\/strong> to order, for example, you can make <strong>a backlight<\/strong> .<\/p>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"564\" height=\"902\" src=\"https:\/\/klona.ua\/wp-content\/uploads\/2023\/08\/leg-prosthesis32_33_11zon.jpg\" alt=\"Silver and black prosthetic leg, 3D printed\" class=\"wp-image-25454\" srcset=\"https:\/\/klona.ua\/wp-content\/uploads\/2023\/08\/leg-prosthesis32_33_11zon.jpg 564w, https:\/\/klona.ua\/wp-content\/uploads\/2023\/08\/leg-prosthesis32_33_11zon-188x300.jpg 188w\" sizes=\"(max-width: 564px) 100vw, 564px\" \/><figcaption class=\"wp-element-caption\"><em>Leg prosthesis that restores the natural shape of the limb<\/em><\/figcaption><\/figure>\n\n<p>The main step in the production of leg prostheses in vacuum forming is to create <strong>a matrix<\/strong> . To do this, workpieces <strong>are milled<\/strong> from <strong>aluminum<\/strong> or from <strong>MDF sheets<\/strong> (Medium Density Fiberboard). To reduce costs, matrices <strong>are printed<\/strong> on a 3D printer, and a size <strong>ruler<\/strong> is also created.<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/_nX12V3oZpa8xEpdFA8my57pMK08vOwqLhPkAqqObZpyY7zD1zVjC6wpdRsWb-_8EFt5EBYcQcyWKuo9vNIUtV4C8ycS_ewOJk3vkK4UMtaJHgbOfbKiP3sg_KFv07NpNKXggQsgIsvGHAODuPn0sQ\" alt=\"Prosthetic leg, different colors and sizes\"\/><figcaption class=\"wp-element-caption\"><em>Prosthetic legs as a way of self-expression<\/em><\/figcaption><\/figure>\n\n<p>Production stages:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>creation of <strong>a computer<\/strong> model of the prosthesis;<\/li>\n\n\n\n<li><strong>design<\/strong> overlay on a 3D model;<\/li>\n\n\n\n<li>fabrication of the overlay <strong>matrix<\/strong> ;<\/li>\n\n\n\n<li><strong>molding<\/strong> and cutting parts from sheet plastic;<\/li>\n\n\n\n<li>printing some details on <strong>a 3D printer<\/strong> ;<\/li>\n\n\n\n<li><strong>assembly<\/strong> of the finished lining.<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/eGNpGgeU9gPLVrjD5lEe9F5zH60nPOhRvpLEO_nllVA3XUY1UKNeV1Q7bztVt-hvGKgcWjQuJayxt26a4_IpuQUyEcQfGqeKwDwLSfz5efZ5HbPlY14i_zP-8TO0RNlf28BfAhRwSYpRn-S4IIFP-Q\" alt=\"Prosthetic leg, printed body\"\/><figcaption class=\"wp-element-caption\"><em>Robotic leg prosthesis: body<\/em><\/figcaption><\/figure>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x441;&#x43E;&#x437;&#x434;&#x430;&#x43D;&#x438;&#x435;-&#x433;&#x438;&#x43B;&#x44C;&#x437;&#x44B;-&#x43F;&#x440;&#x43E;&#x442;&#x435;&#x437;&#x430;-&#x43D;&#x43E;&#x433;&#x438;-3d-&#x43F;&#x435;&#x447;&#x430;&#x442;&#x44C;\">Creation of a sleeve for a prosthetic leg, 3D printing  <\/h2>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/1GNDRS8ESqLuGN371OMuQjZbGNe52NzEZsWPIaWFsazMMJStQDKE1ughZxToUORgO3S69VyUZ1yDNgn4ur-LsXT_Z_YScVL-qb2HDmVC6B4u_D_faqN6laKhKD9eLgbDwNGtG6jmRStWL7o9THDGOA\" alt=\"Leg prosthesis, sleeve\"\/><figcaption class=\"wp-element-caption\"><em>3D printed prosthetic leg sleeve<\/em><\/figcaption><\/figure>\n\n<p>A laser <strong>scanner<\/strong> and <strong>computed tomography<\/strong> are used to capture the patient&#8217;s stump. The <strong>DICOM<\/strong> data from the CT is converted into <strong>a 3D structure<\/strong> in the <strong>InVesalius<\/strong> software and then <strong>compared<\/strong> with the data from the laser scanner. *.stl files are imported into the <strong>CAD<\/strong> program. Now you can start <strong>designing<\/strong> based on <strong>the anatomical<\/strong> data of the patient.<\/p>\n\n<p>The bell design <strong>is tested<\/strong> using <strong>FEM analysis<\/strong> . This way you can be sure of the mechanical <strong>strength<\/strong> of the sleeve printed on a 3D printer before it is received by the patient.<\/p>\n\n<p>After <strong>the tests<\/strong> are completed, the sleeve <strong>is printed<\/strong> on a 3D printer, such as SLS HiQ. Then the sleeve <strong>is combined<\/strong> with a complete prosthesis.<\/p>\n\n<p>Such a sleeve is convenient from the first fitting &#8211; you need <strong>to adjust<\/strong> a single <strong>screw<\/strong> .<\/p>\n\n<p>A <strong>Squirt Shape<\/strong> 3D printer is also suitable for printing sleeves.<\/p>\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n  <iframe title=\"How To Fabricate A Deliverable 3D Printed Socket (ISPO2021 Workshop)\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/vcb6ODPLxCM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><figcaption class=\"wp-element-caption\"><em>How to create a sleeve for a prosthetic leg and print it on a 3D printer<\/em><\/figcaption><\/figure>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x438;&#x442;&#x43E;&#x433;&#x438;\">Outcomes<\/h2>\n\n<p><strong>3D printing<\/strong> makes prosthetics <strong>cheaper<\/strong> and makes custom <strong>post-processing<\/strong> and <strong>customization<\/strong> easier and <strong>more affordable<\/strong> . In simple cases, a person can <strong>print<\/strong> an artificial limb <strong>himself.<\/strong> The desired model <strong>is loaded<\/strong> from the Internet, and then <strong>adjusted<\/strong> to fit its parameters.<\/p>\n\n<p><strong>3D technologies<\/strong> make it possible to create <strong>light<\/strong> , strong and comfortable <strong>shells<\/strong> , as well as <strong>sleeves<\/strong> for prosthetic legs that <strong>exactly<\/strong> fit <strong>the measurements<\/strong> . In addition to onlays and sleeves, additional parts of the prosthesis <strong>are printed<\/strong> on a 3D printer: <strong>a sleeve<\/strong> , a support, a suction <strong>socket<\/strong> , as well as well-fitted <strong>liners<\/strong> . <strong>The design of<\/strong> the inserts is interesting: <strong>two forms<\/strong> slide, and <strong>the silicone<\/strong> material <strong>fills<\/strong> the voids between them. This is for those who have <strong>an atypical<\/strong> <strong>stump<\/strong> shape or <strong>sensitive<\/strong> skin.<\/p>\n\n<p>Order a prosthesis in the industrial design studio <strong>CLONE<\/strong> . We <a href=\"https:\/\/klona.ua\/en\/uslugi_cat\/manufacturing-and-prototyping\">will design<\/a> and <a href=\"https:\/\/klona.ua\/en\/uslugi_cat\/manufacturing-and-prototyping\">build<\/a> <strong>a comfortable<\/strong> , durable and <strong>good-looking<\/strong> artificial <strong>limb<\/strong> that will last a lifetime.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>How is a prosthetic leg made, in which the metal parts are hidden, and the natural shape of the limb is restored? Is it possible to create a sleeve that is comfortable from the first try on? We are studying 3D technologies that allow you to change the body of the prosthesis like clothes, watches or cell phones &#8211; 3D scanning, 3D modeling, 3D printing. Stylish prosthetic leg: industrial design.<\/p>\n","protected":false},"author":52,"featured_media":25458,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[737],"tags":[],"class_list":["post-25461","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industrial-design"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v18.6 (Yoast SEO v23.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How a prosthetic leg is made: ideas, modeling, 3D printing<\/title>\n<meta name=\"description\" content=\"How to make a prosthetic leg that repeats its shape. 3D scanning, 3D modeling, 3D printing. 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