February 8, 2016.

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Presentation transcript:

February 8, 2016

Medical Need That’s about 1 out of every 11 people Total medical costs and lost work and wages for people with diagnosed diabetes than for adults without diabetes Risk of death for adults with diabetes is

Medical Need – Problem Statement 1 in 4 diabetics develop foot ulcers over their lifetime Wounds can reach chronic state Approx. 80,000 diabetic patients require lower-limb amputations per year Currently NO ACTIVE healing process Patient compliance is a large treatment- management complication http://www.drugs.com/health-guide/images/205064.jpg

Current Standard of Care Total-Contact Cast Load-bearing Antimicrobial absorbent dressing Requires weekly maintenance Cost per treatment : $8,000 - $17,000 Method of passive healing http://diabeticfootandankle.net/index.php/dfa/article/viewFile/21177/html/99139 http://www.stanfordchildrens.org/content-public/topic/images/06/126006.gif http://www.podiatrytoday.com/files/imagecache/normal/FitzgeraldBlog1.png

Needs Assessment Summary Patient Retain gold standard with no additional harm to patient Proven to reduce healing time and infection Safe Provider Simple application Minimal preparation Simple maintenance Compatible with current standards System Low cost Dependable Durable Willing insurance companies Dosage Requirements: Operate 10min daily for one week before battery change Produce therapeutic light at 50mW/cm2 (Adamskaya et al.)

Our Solution Low-level light therapy (LLLT) delivery to wounds Active healing method Second-line therapy Eventual replacement of SoC Maintains patient compliance Automated, preset Safe Waterproof/heat resistant/shock resistant

Mitigating Risks Waterproof Prevent water spills and shallow submersion from damaging circuitry Heat Resistant Effectively mitigate heat produced by circuitry Prevent burns and circuit meltdown Shock Resistant Withstand impact forces Little to no concern of light risks to patient

Device Design - Module New casing: Electrical box

Device Design – Mold

2.5 cm Device Design - Patch 4.5 cm 5.5 cm 1 cm

Recent Accomplishments New patch design New 3D-printed mold (version 5) 8-fiber optic silicone patch Curing method Oven heating – failed Heat lamp: 24-48hrs » ~1hr Logo! Material procurement Silicone, circuit components, fiber optics

Recent Accomplishments IRB Application and Protocol “Finalized” Waiting on CITI Training from physician(s) Dr. Hicks adjustments & details Updates 2-4 week treatment (under physician’s discretion) 2 additional physicians Circuit design “finalized” Cast testing Vanderbilt Orthopaedics Foot and Ankle Center Testing cast/device application process

Please See Cast Testing I Video under the LumaSil Tab of our Website

Current Tasks Gathering information from Dr. Hicks Battery source with sufficient current/voltage Heat sinks vs. thermal pads Design water-tight FO-FO attachment Constructing prototype

Ideas & Solutions Lithium-ion battery Water-tight FO-FO attachment

Next Steps IRB Application Prototype construction Submission within one week Expect 2-4 week turnover Prototype construction Circuit/PCB ordering Casing FO-FO attachment Cast testing II https://d1ybwah56txnv1.cloudfront.net/assets/v2/landing_pages/irb_assistance_0-3773a4e6fbcb5c3fd0f23f9e5134f0d4.jpg

Current Timeline IRB Submission: Second Week of February *assuming corrections for initial return IRB Approval: First Weeks of March Feasibility Study Mid march to first week of April (latest acceptable) Prototype Construction & Testing (cont’d) February March April