{"id":88,"date":"2024-09-23T19:52:26","date_gmt":"2024-09-23T19:52:26","guid":{"rendered":"https:\/\/engprojects.tcnj.edu\/alls4all\/?page_id=88"},"modified":"2025-02-18T21:46:14","modified_gmt":"2025-02-18T21:46:14","slug":"requirements","status":"publish","type":"page","link":"https:\/\/engprojects.tcnj.edu\/alls4all\/design\/requirements\/","title":{"rendered":"Design Inputs"},"content":{"rendered":"\n<ol class=\"wp-block-list\">\n<li><strong>The device must adjust to accommodate volume changes of the residual limb while used.<\/strong>\n<ul class=\"wp-block-list\">\n<li>Justification: To allow for swelling and contraction of the residual limb without discomfort or further injury.<\/li>\n\n\n\n<li>Specification: The device adjusts over a range of -1.43% to +3.19% of the residual limb&#8217;s volume <\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>The device must be able to support the user\u2019s weight during daily activities<\/strong>.\n<ul class=\"wp-block-list\">\n<li>Justification: To allow mobility and safety for user during ambulation.<\/li>\n\n\n\n<li>Specification 1:  The device will support a max of 10.15 psi in every region. <\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>The device must be able to be easily donned and doffed<\/strong>.\n<ul class=\"wp-block-list\">\n<li>Justification: To allow easy access and be user friendly<\/li>\n\n\n\n<li>Specification 1: The device will be donned in under 5 minutes.<\/li>\n\n\n\n<li>Specification 2: The device will be doffed in under 1 minute and 40 seconds.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>The device must be compatible with prosthetic attachments from popular manufacturers<\/strong>.\n<ul class=\"wp-block-list\">\n<li>Justification: To allow for the attachment of transfemoral prosthetic devices from the most universally used manufacturers.<\/li>\n\n\n\n<li>Specification: The adapter on the distal end must be compatible with prosthetic devices that represent 50% of the market share.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>The device must be cleanable<\/strong>.\n<ul class=\"wp-block-list\">\n<li>Justification: To maintain proper hygiene.&nbsp;<\/li>\n\n\n\n<li>Specification: The material of the device will be able to be cleaned with unspecialized cleaning products.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>The device must measure interface pressure of&nbsp; the inside of the socket.<\/strong>\n<ul class=\"wp-block-list\">\n<li>Justification: Pressure increases due to volume change in the residual limb can induce skin injury.<\/li>\n\n\n\n<li>Specification 1: Sensors will measure interface pressure in range of 0-3.6 psi.<\/li>\n\n\n\n<li>Specification 2: Sensors will be placed: two on each panel at 3.5in and 8in from the bottom of the socket.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>The device must notify the user when pressure increases can cause injury.<\/strong>\n<ul class=\"wp-block-list\">\n<li>Justification: To let the user know when to loosen the adjustment mechanism to prevent further skin injury<\/li>\n\n\n\n<li>Specification 1: Device must notify user when measured average pressure is greater than or equal to 2.22 psi for a 15<sup> <\/sup>minute time period.<\/li>\n\n\n\n<li>Specification 2: Notification method TBD; specifications will follow<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>The device must be powered for a clinically relevant period of time.&nbsp;<\/strong>\n<ul class=\"wp-block-list\">\n<li>Justification: To ensure that the device can sense the pressure change without needing to recharge\/replace the batteries throughout the day<\/li>\n\n\n\n<li>&nbsp;Specification 1: The device must stay powered for at least 9 hrs&nbsp;<\/li>\n\n\n\n<li>&nbsp;Specification 2: The battery powering the device must have an average amp-hour lifespan of XX amp-hours<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>The device conforms to electrical safety standards<\/strong>\n<ul class=\"wp-block-list\">\n<li>Justification: To ensure the device is safe for close body interaction and protects against electrical hazards<\/li>\n\n\n\n<li>Specification 1: &nbsp;Leakage current must be no more than 100 \u00b5A<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":634,"featured_media":0,"parent":97,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-88","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/engprojects.tcnj.edu\/alls4all\/wp-json\/wp\/v2\/pages\/88","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/engprojects.tcnj.edu\/alls4all\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/engprojects.tcnj.edu\/alls4all\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/engprojects.tcnj.edu\/alls4all\/wp-json\/wp\/v2\/users\/634"}],"replies":[{"embeddable":true,"href":"https:\/\/engprojects.tcnj.edu\/alls4all\/wp-json\/wp\/v2\/comments?post=88"}],"version-history":[{"count":0,"href":"https:\/\/engprojects.tcnj.edu\/alls4all\/wp-json\/wp\/v2\/pages\/88\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/engprojects.tcnj.edu\/alls4all\/wp-json\/wp\/v2\/pages\/97"}],"wp:attachment":[{"href":"https:\/\/engprojects.tcnj.edu\/alls4all\/wp-json\/wp\/v2\/media?parent=88"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}