{"id":211,"date":"2009-07-29T22:56:21","date_gmt":"2009-07-29T20:56:21","guid":{"rendered":"http:\/\/www.swisswuff.ch\/tech\/?p=211"},"modified":"2009-08-07T01:24:02","modified_gmt":"2009-08-06T23:24:02","slug":"tech-bits-iii-prosthetic-hands","status":"publish","type":"post","link":"https:\/\/www.swisswuff.ch\/tech\/?p=211","title":{"rendered":"Tech bits III &#8211; prosthetic hands"},"content":{"rendered":"<p>A look at an arbitrarily selected choice of prosthetic hands from close up. How realistic do they look?<\/p>\n<p><!--more--><\/p>\n<p><strong>iLimb<\/strong><\/p>\n<p>(C) Images Copyright Touch Bionics<\/p>\n<p><img decoding=\"async\" class=\"alignnone\" style=\"margin-right:450px;\" src=\"http:\/\/www.swisswuff.ch\/images\/ilimb1.jpg\" alt=\"\" width=\"640\" \/><\/p>\n<p><img decoding=\"async\" class=\"alignnone\" style=\"margin-right:450px;\" src=\"http:\/\/www.swisswuff.ch\/images\/ilimb3.jpg\" alt=\"\" width=\"640\" \/><\/p>\n<p><strong>Michelangelo Hand<\/strong><\/p>\n<p>(C) Images Copyright Otto Bock<\/p>\n<p><img decoding=\"async\" class=\"alignnone\" style=\"margin-right:450px;\" src=\"http:\/\/www.swisswuff.ch\/images\/michelangelohand1.jpg\" alt=\"\" width=\"640\" \/><\/p>\n<p><img decoding=\"async\" class=\"alignnone\" style=\"margin-right:450px;\" src=\"http:\/\/www.swisswuff.ch\/images\/michelangelohand2.jpg\" alt=\"\" width=\"640\" \/><\/p>\n<p><strong>Shadow Hand<\/strong><\/p>\n<p>(C) Image <a href=\"http:\/\/www.shadow.org.uk\/index.shtml\" target=\"_blank\">Shadow Robot Company<\/a><\/p>\n<p><img decoding=\"async\" class=\"alignnone\" style=\"margin-right:450px;\" src=\"http:\/\/www.swisswuff.ch\/images\/shadow1.jpg\" alt=\"\" width=\"640\" \/><\/p>\n<p><strong>DEKA Arm<\/strong><\/p>\n<p>(C) Images Copyright DEKA Research<\/p>\n<p><img decoding=\"async\" class=\"alignnone\" style=\"margin-right:450px;\" src=\"http:\/\/www.swisswuff.ch\/images\/deka1.jpg\" alt=\"\" width=\"640\" \/><\/p>\n<p><img decoding=\"async\" class=\"alignnone\" style=\"margin-right:450px;\" src=\"http:\/\/www.swisswuff.ch\/images\/deka2.jpg\" alt=\"\" width=\"640\" \/><\/p>\n<p><img decoding=\"async\" class=\"alignnone\" style=\"margin-right:450px;\" src=\"http:\/\/www.swisswuff.ch\/images\/deka3.jpg\" alt=\"\" width=\"640\" \/><\/p>\n<p><img decoding=\"async\" class=\"alignnone\" style=\"margin-right:450px;\" src=\"http:\/\/www.swisswuff.ch\/images\/deka4.jpg\" alt=\"\" width=\"640\" \/><\/p>\n<p><img decoding=\"async\" class=\"alignnone\" style=\"margin-right:450px;\" src=\"http:\/\/www.swisswuff.ch\/images\/deka5.jpg\" alt=\"\" width=\"640\" \/><\/p>\n<p><img decoding=\"async\" class=\"alignnone\" style=\"margin-right:450px;\" src=\"http:\/\/www.swisswuff.ch\/images\/deka6.jpg\" alt=\"\" width=\"640\" \/><\/p>\n<p><img decoding=\"async\" class=\"alignnone\" style=\"margin-right:450px;\" src=\"http:\/\/www.swisswuff.ch\/images\/deka7.jpg\" alt=\"\" width=\"640\" \/><\/p>\n<p><strong>Real hand<\/strong><\/p>\n<p>Numbered distances see following section regarding dimensions.<\/p>\n<p><img decoding=\"async\" class=\"alignnone\" style=\"margin-right:450px;\" src=\"http:\/\/www.swisswuff.ch\/images\/realhand.jpg\" alt=\"\" width=\"640\" \/><\/p>\n<p><strong>Hand dimensions in comparison<\/strong><\/p>\n<p>Figures (pixel distances, numbered 1 to 23 see above) are rough estimation based on photos. Based on these, cluster analysis (Ward, normalized) places the Michelangelo hand a bit closer to my own (real) hand than the iLimb.<\/p>\n<p><img decoding=\"async\" class=\"alignnone\" style=\"margin-right:450px;\" src=\"http:\/\/www.swisswuff.ch\/images\/handcl.png\" alt=\"\" width=\"640\" \/><\/p>\n<table border=\"1\" cellspacing=\"1\" cellpadding=\"2\">\n<tbody>\n<tr align=\"right\" valign=\"top\">\n<th>Michelangelo hand<\/th>\n<th>Real hand<\/th>\n<th>iLimb<\/th>\n<th>Michelangelo hand (normalized)<\/th>\n<th>Real hand (normalized)<\/th>\n<th>iLimb (normalized)<\/th>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>522.053345<\/td>\n<td>751.835088<\/td>\n<td>114.499834<\/td>\n<td>0.87050556<\/td>\n<td>1.56402644<\/td>\n<td>0.95429755<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>422.654741<\/td>\n<td>439.604368<\/td>\n<td>48.031708<\/td>\n<td>0.29537097<\/td>\n<td>0.20226844<\/td>\n<td>-0.5770208<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>334.58404<\/td>\n<td>319.681091<\/td>\n<td>44.023457<\/td>\n<td>-0.2142188<\/td>\n<td>-0.320763<\/td>\n<td>-0.6693644<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>521.840046<\/td>\n<td>301.728355<\/td>\n<td>93.338883<\/td>\n<td>0.86927138<\/td>\n<td>-0.3990618<\/td>\n<td>0.46678339<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>349.60958<\/td>\n<td>264.612925<\/td>\n<td>52.542553<\/td>\n<td>-0.1272788<\/td>\n<td>-0.5609364<\/td>\n<td>-0.4730982<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>177.322898<\/td>\n<td>268.745233<\/td>\n<td>45.816056<\/td>\n<td>-1.1241543<\/td>\n<td>-0.5429138<\/td>\n<td>-0.6280658<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>642.818346<\/td>\n<td>318.025156<\/td>\n<td>97.317639<\/td>\n<td>1.56926919<\/td>\n<td>-0.3279852<\/td>\n<td>0.55844751<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>312.373081<\/td>\n<td>284<\/td>\n<td>59.817236<\/td>\n<td>-0.3427346<\/td>\n<td>-0.4763819<\/td>\n<td>-0.3055013<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>172.430196<\/td>\n<td>264.007576<\/td>\n<td>41.552461<\/td>\n<td>-1.1524642<\/td>\n<td>-0.5635766<\/td>\n<td>-0.7262922<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>540.036831<\/td>\n<td>275.862284<\/td>\n<td>102.531423<\/td>\n<td>0.97456059<\/td>\n<td>-0.5118736<\/td>\n<td>0.67856468<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>317.796107<\/td>\n<td>290.062062<\/td>\n<td>43.550242<\/td>\n<td>-0.3113561<\/td>\n<td>-0.4499429<\/td>\n<td>-0.6802665<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>163.895705<\/td>\n<td>288.839056<\/td>\n<td>42.232594<\/td>\n<td>-1.201846<\/td>\n<td>-0.4552769<\/td>\n<td>-0.710623<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>375.791958<\/td>\n<td>231.144976<\/td>\n<td>73.790291<\/td>\n<td>0.02421617<\/td>\n<td>-0.706903<\/td>\n<td>0.01641538<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>248.153394<\/td>\n<td>190.042101<\/td>\n<td>44.213068<\/td>\n<td>-0.7143189<\/td>\n<td>-0.8861684<\/td>\n<td>-0.6649961<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>179.128127<\/td>\n<td>288.839056<\/td>\n<td>44.973282<\/td>\n<td>-1.113709<\/td>\n<td>-0.4552769<\/td>\n<td>-0.647482<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>283.550574<\/td>\n<td>298.804284<\/td>\n<td>41.304525<\/td>\n<td>-0.5095057<\/td>\n<td>-0.4118148<\/td>\n<td>-0.7320042<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>270.537<\/td>\n<td>264.612925<\/td>\n<td>42.657673<\/td>\n<td>-0.5848041<\/td>\n<td>-0.5609364<\/td>\n<td>-0.7008299<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>211.096408<\/td>\n<td>244.859143<\/td>\n<td>42.722888<\/td>\n<td>-0.9287359<\/td>\n<td>-0.6470902<\/td>\n<td>-0.6993274<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>141.541787<\/td>\n<td>262.457616<\/td>\n<td>47.066775<\/td>\n<td>-1.3311889<\/td>\n<td>-0.5703365<\/td>\n<td>-0.5992513<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>675.120363<\/td>\n<td>1040.03077<\/td>\n<td>207.222696<\/td>\n<td>1.7561733<\/td>\n<td>2.8209584<\/td>\n<td>3.09048263<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>700.087959<\/td>\n<td>780.973751<\/td>\n<td>123.999423<\/td>\n<td>1.9006394<\/td>\n<td>1.69111133<\/td>\n<td>1.17315275<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>477.133605<\/td>\n<td>575.433749<\/td>\n<td>73.922946<\/td>\n<td>0.61059349<\/td>\n<td>0.7946725<\/td>\n<td>0.01947154<\/td>\n<\/tr>\n<tr align=\"right\" valign=\"top\">\n<td>507.399319<\/td>\n<td>800.025<\/td>\n<td>153.661008<\/td>\n<td>0.78571526<\/td>\n<td>1.77420114<\/td>\n<td>1.85650779<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n<div class=\"twitter-share\"><a href=\"https:\/\/twitter.com\/intent\/tweet?via=swisswuff\" class=\"twitter-share-button\" data-size=\"large\">Tweet<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>A look at an arbitrarily selected choice of prosthetic hands from close up. How realistic do they look?<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49,55,23,51,26,8,50],"tags":[],"class_list":["post-211","post","type-post","status-publish","format-standard","hentry","category-bionic","category-deka-arm","category-myoelectric","category-michelangelo","category-prosthetic-hand","category-prosthetics","category-ilimb","wpcat-49-id","wpcat-55-id","wpcat-23-id","wpcat-51-id","wpcat-26-id","wpcat-8-id","wpcat-50-id"],"publishpress_future_action":{"enabled":false,"date":"2026-05-07 04:52:22","action":"change-status","newStatus":"draft","terms":[],"taxonomy":"category","extraData":[]},"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/www.swisswuff.ch\/tech\/index.php?rest_route=\/wp\/v2\/posts\/211","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.swisswuff.ch\/tech\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.swisswuff.ch\/tech\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.swisswuff.ch\/tech\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.swisswuff.ch\/tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=211"}],"version-history":[{"count":0,"href":"https:\/\/www.swisswuff.ch\/tech\/index.php?rest_route=\/wp\/v2\/posts\/211\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.swisswuff.ch\/tech\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.swisswuff.ch\/tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.swisswuff.ch\/tech\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}