{"id":7,"date":"2019-10-09T15:08:31","date_gmt":"2019-10-09T15:08:31","guid":{"rendered":"https:\/\/my.dev.vanderbilt.edu\/pediatricvfss\/current-courses\/"},"modified":"2020-04-20T19:15:44","modified_gmt":"2020-04-20T19:15:44","slug":"project-overview","status":"publish","type":"page","link":"https:\/\/my.dev.vanderbilt.edu\/pediatricvfss\/project-overview\/","title":{"rendered":"Project Overview"},"content":{"rendered":"<p><strong>BACKGROUND:<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Videofluoroscopic swallow studies enable providers to identify patient&#8217;s difficulties with swallowing in order to reduce risks through interventional surgeries or feeding tube<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">These studies are performed by taking X-rays in real time while patient swallows liquids\/foods mixed with barium<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The studies are often performed on kids with developmental and\/or birth defects, but swallowing issues may arise later in adolescence due to late-onset disease or a traumatic brain injury<\/span><\/li>\n<\/ul>\n<p><strong>PROBLEM STATEMENT:<\/strong><\/p>\n<p><span style=\"font-weight: 400\">The current\u00a0chair in use at Monroe Carell Jr. Children&#8217;s Hospital\u00a0is:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Unstable for children with motor deficiencies<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Incompatible with other medical machinery<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Not adjustable for patients of different ages and sizes.<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_92\" aria-describedby=\"caption-attachment-92\" style=\"width: 225px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-92\" src=\"https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/FullSizeRender-225x300.jpg\" alt=\"Current seating system\" width=\"225\" height=\"300\" srcset=\"https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/FullSizeRender-225x300.jpg 225w, https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/FullSizeRender-768x1024.jpg 768w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><figcaption id=\"caption-attachment-92\" class=\"wp-caption-text\">Current seating system<\/figcaption><\/figure>\n<p>Ranking of design features by lab technicians and speech-language pathologist:<\/p>\n<p><strong>NEEDS ASSESSMENT:<\/strong><\/p>\n<table style=\"height: 382px\" width=\"291\">\n<tbody>\n<tr>\n<td width=\"284\"><strong>Crucial Needs<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"284\">Stability (of patient and system)<\/td>\n<\/tr>\n<tr>\n<td width=\"284\">Accommodates variety of ages\/sizes<\/td>\n<\/tr>\n<tr>\n<td width=\"284\">Mobile<\/td>\n<\/tr>\n<tr>\n<td width=\"284\">Washable<\/td>\n<\/tr>\n<tr>\n<td width=\"284\">Does not block image<\/td>\n<\/tr>\n<tr>\n<td width=\"284\">Fits in required dimensions<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"169\"><strong>Design Aspects (Ranked 1-5;<\/strong><\/p>\n<p><strong>1=low priority)<\/strong><\/td>\n<td width=\"114\"><strong>Denise <\/strong><\/td>\n<td width=\"114\"><strong>Gwen\u00a0<\/strong><\/td>\n<td width=\"114\"><strong>Kristen\u00a0<\/strong><\/td>\n<td width=\"114\"><strong>Kaitlyn\u00a0<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"169\">Child friendly design<\/td>\n<td width=\"114\">3<\/td>\n<td width=\"114\">3<\/td>\n<td width=\"114\">3<\/td>\n<td width=\"114\">3<\/td>\n<\/tr>\n<tr>\n<td width=\"169\">Removable tray built-in<\/td>\n<td width=\"114\">1<\/td>\n<td width=\"114\">3<\/td>\n<td width=\"114\">3<\/td>\n<td width=\"114\">3<\/td>\n<\/tr>\n<tr>\n<td width=\"169\">Trunk braces<\/td>\n<td width=\"114\">3<\/td>\n<td width=\"114\">4<\/td>\n<td width=\"114\">5<\/td>\n<td width=\"114\">3<\/td>\n<\/tr>\n<tr>\n<td width=\"169\">Head braces<\/td>\n<td width=\"114\">3<\/td>\n<td width=\"114\">4<\/td>\n<td width=\"114\">4<\/td>\n<td width=\"114\">4<\/td>\n<\/tr>\n<tr>\n<td width=\"169\">Ability to recline<\/td>\n<td width=\"114\">5<\/td>\n<td width=\"114\">5<\/td>\n<td width=\"114\">5<\/td>\n<td width=\"114\">5<\/td>\n<\/tr>\n<tr>\n<td width=\"169\">Seat belt strap<\/td>\n<td width=\"114\">5<\/td>\n<td width=\"114\">5<\/td>\n<td width=\"114\">5<\/td>\n<td width=\"114\">5<\/td>\n<\/tr>\n<tr>\n<td width=\"169\">Adjustable height<\/td>\n<td width=\"114\">1<\/td>\n<td width=\"114\">5<\/td>\n<td width=\"114\">4<\/td>\n<td width=\"114\">4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>PROTOTYPES:<\/strong><\/p>\n<figure id=\"attachment_187\" aria-describedby=\"caption-attachment-187\" style=\"width: 750px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-187\" src=\"https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/Screen-Shot-2020-04-20-at-2.52.45-PM-1024x717.png\" alt=\"CAD prototype of Easy-PASS Chair, assembled from custom-made parts and parts available from McMaster-Carr.\" width=\"750\" height=\"525\" srcset=\"https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/Screen-Shot-2020-04-20-at-2.52.45-PM-1024x717.png 1024w, https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/Screen-Shot-2020-04-20-at-2.52.45-PM-300x210.png 300w, https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/Screen-Shot-2020-04-20-at-2.52.45-PM-768x538.png 768w, https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/Screen-Shot-2020-04-20-at-2.52.45-PM.png 1260w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-187\" class=\"wp-caption-text\">CAD prototype of Easy-PASS Chair, assembled from custom-made parts and parts available from McMaster-Carr.<\/figcaption><\/figure>\n<figure id=\"attachment_184\" aria-describedby=\"caption-attachment-184\" style=\"width: 688px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-184\" src=\"https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/Screen-Shot-2020-04-20-at-2.51.42-PM.png\" alt=\"CAD model of prototype with dimensions and restrictions of X-ray machine used for swallow studies.\" width=\"688\" height=\"678\" srcset=\"https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/Screen-Shot-2020-04-20-at-2.51.42-PM.png 688w, https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/Screen-Shot-2020-04-20-at-2.51.42-PM-300x296.png 300w\" sizes=\"auto, (max-width: 688px) 100vw, 688px\" \/><figcaption id=\"caption-attachment-184\" class=\"wp-caption-text\">CAD model of prototype with dimensions and restrictions of X-ray machine used for swallow studies.<\/figcaption><\/figure>\n<figure id=\"attachment_153\" aria-describedby=\"caption-attachment-153\" style=\"width: 291px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-153\" src=\"https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/Picture1-1.jpg\" alt=\"Full-size prototype with Special Tomato Soft Touch Sitter (designed for special needs children).\" width=\"291\" height=\"351\" srcset=\"https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/Picture1-1.jpg 291w, https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/Picture1-1-249x300.jpg 249w\" sizes=\"auto, (max-width: 291px) 100vw, 291px\" \/><figcaption id=\"caption-attachment-153\" class=\"wp-caption-text\">Full-size prototype with Special Tomato Soft Touch Sitter (designed for special needs children).<\/figcaption><\/figure>\n<p><b>ESTIMATED MANUFACTURING COSTS<\/b><\/p>\n<p><span style=\"font-weight: 400\">The bulk of manufacturing costs will be from the building the base and the three seats. These parts are expected to come from PVC pipe to make the frame, wheels, a harness, tumble forms, an extra large car seat, and a high chair tray. Several of these items, the tumble form for example, are already specifically designed to be used by children with special needs, thus this positioning system will be incorporating the quality assurance of many products already tested on the same patient group.<\/span><\/p>\n<p><span style=\"font-weight: 400\">PVC pipe: estimated $40.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Wheels that attach to PVC: $10.59 x 4 = $42.36.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Three-point harness: $79.99.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Tumble Form (small and medium): $297.99 + $499.99.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Extra large car seat: $139.99.<\/span><span style=\"font-weight: 400\">\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">High chair tray: $9.99.<\/span><span style=\"font-weight: 400\">\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Total:<\/span><span style=\"font-weight: 400\">\u00a0 $1,110.31<\/span><\/p>\n<p><strong>ECONOMIC\/MARKET CONSIDERATION:<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Primary functionality designed for imaging procedures<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Target customers would include imaging centers and Hospitals with pediatric departments<\/span>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">6,146 US Hospitals (1\/20 are Children\u2019s)<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Networking Channels include:<\/span>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Medical Conferences<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Physician Forums<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The device costs about $1800 to manufacture<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The key value added by our product is the customization based on size constraints and physician preferences and thus price may vary\u00a0<\/span><\/li>\n<\/ul>\n<p><strong>PERFORMANCE PREDICTION AND SAFETY\/RISK ANALYSIS:<\/strong><\/p>\n<figure id=\"attachment_189\" aria-describedby=\"caption-attachment-189\" style=\"width: 750px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-189\" src=\"https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/Screen-Shot-2020-04-20-at-3.01.52-PM-1024x469.png\" alt=\"Shear force and bending moment diagrams for positioning system at its extremes: fully reclined (L) and fully upright (R) while holding a 6 ft, 200 lb male.\" width=\"750\" height=\"344\" srcset=\"https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/Screen-Shot-2020-04-20-at-3.01.52-PM-1024x469.png 1024w, https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/Screen-Shot-2020-04-20-at-3.01.52-PM-300x138.png 300w, https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/Screen-Shot-2020-04-20-at-3.01.52-PM-768x352.png 768w, https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/Screen-Shot-2020-04-20-at-3.01.52-PM.png 1972w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-189\" class=\"wp-caption-text\">Shear force and bending moment diagrams for positioning system at its extremes: fully reclined (L) and fully upright (R) while holding a 6 ft, 200 lb male.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400\">The above diagrams represent the analysis of the positioning system at its extremes (fully reclined and fully upright) while holding a 6 foot, 200 pound male. The hydraulic lift can hold up to 800 pounds and the front supports are rated for over 1,000 pounds, both which far exceed the maximum reactionary forces. Additionally, articulating between the extremes of the chair displaces the 200 lbs. male\u2019s center of gravity by fewer than 10 inches, confirming the chairs ability to remain stable regardless of the patient or position.\u00a0<\/span><\/p>\n<p><strong>FINAL IP AGREEMENT:<\/strong><\/p>\n<p><a href=\"https:\/\/cdn-dev.vanderbilt.edu\/t2-my-dev\/wp-content\/uploads\/sites\/3291\/2019\/10\/Final-IP-Agreement-1.pdf\">Final IP Agreement<\/a><\/p>\n<p><strong>PROJECT SCHEDULE:<\/strong><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/vVVu0oFbmjP7aWAW7uKhoMpWMsFsFWadjmrLGoA8wFyhygk0fYE2_VznpHsDZpfyCQW1DGvNWOwkmDuspVc7D3rUdWYtUfYWtJ144t1D\" \/><\/p>\n<p>Gantt Chart<\/p>\n<p><strong>FINAL THOUGHTS:<\/strong><\/p>\n<p><span style=\"font-weight: 400\">Our team has designed, prototyped, virtually constructed, and mathematically confirmed the utility and functionality of the Easy PASS Chair. Due to the COVID-19 outbreak, we are unable to deliver a final physical product and have requested this seating system become a legacy project. In doing so, we:\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Created a professional CAD file of the entire seating system<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Conducted failure analyses on this virtual model using real parts and systems from McMaster Carr<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Communicated with the VFSS clinicians and confirmed appropriate future directions<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Drafted clear, detailed instructions for the incoming design team<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">This project is not possible without support from the VFSS clinicians, Dr. Matthew Walker III, and Dr. Kevin Galloway. Thank you.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>BACKGROUND: Videofluoroscopic swallow studies enable providers to identify patient&#8217;s difficulties with swallowing in order to reduce risks through interventional surgeries or feeding tube These studies are performed by taking X-rays in real time while patient swallows liquids\/foods mixed with barium The studies are often performed on kids with developmental and\/or birth defects, but swallowing issues&#8230;<\/p>\n","protected":false},"author":8547,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"tags":[],"class_list":["post-7","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/my.dev.vanderbilt.edu\/pediatricvfss\/wp-json\/wp\/v2\/pages\/7","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/my.dev.vanderbilt.edu\/pediatricvfss\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/my.dev.vanderbilt.edu\/pediatricvfss\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/my.dev.vanderbilt.edu\/pediatricvfss\/wp-json\/wp\/v2\/users\/8547"}],"replies":[{"embeddable":true,"href":"https:\/\/my.dev.vanderbilt.edu\/pediatricvfss\/wp-json\/wp\/v2\/comments?post=7"}],"version-history":[{"count":13,"href":"https:\/\/my.dev.vanderbilt.edu\/pediatricvfss\/wp-json\/wp\/v2\/pages\/7\/revisions"}],"predecessor-version":[{"id":193,"href":"https:\/\/my.dev.vanderbilt.edu\/pediatricvfss\/wp-json\/wp\/v2\/pages\/7\/revisions\/193"}],"wp:attachment":[{"href":"https:\/\/my.dev.vanderbilt.edu\/pediatricvfss\/wp-json\/wp\/v2\/media?parent=7"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/my.dev.vanderbilt.edu\/pediatricvfss\/wp-json\/wp\/v2\/tags?post=7"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}