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After studying burn victim and warfare veterans , enterpriser Ran Ma helping hand - made a sock that contained sensors to observe foot ulcer . Now , her company , Siren , has secured $ 9.5 million , with an $ 8 million balk from lead-in investorMölnlycke Health Careto further the maturation and adoption of its diabetic foot ulceration ( DFU ) prevention product . It ’s now raised $ 43 million to escort .
About 830 million people worldwidehave diabetes , over a thirdof whom can develop drain ulcer in their life-time , which can result to severe complications , and even amputation in some shell .
Siren ’s product , Siren Socks , detects former signs of possible substructure wound by sense a patient ’s foot temperature and detecting hotspots that indicate potential ulcers in genuine time . The company claims it can reduce the risk of DFUs by up to 68 % and amputation by 83 % by collecting data incessantly .
“ I studied biomedical engineering science at Johns Hopkins and at Northwestern University , ” Ma tell TechCrunch . While there , she worked at a wound science lab to “ create a biomask to regenerate the human face for burn victims and war veterans , ” she said .
Ma dropped out of school twice — once from Northwestern , and then from Copenhagen Business School — but finally she hand - sewed the first prototype of the Siren Sock with sensors she ’d bought from RadioShack and a remaining Arduino board from Maker Faire . “ I then give a tailor in Chinatown to sew my second prototype with multiple sensing element and created the first continuous temperature - monitoring socks , ” she said .
In 2017 , the startupwon TechCrunch ’s Hardware Battlefieldcontest at Disrupt . Since then , Siren has raise funding from Khosla Ventures , Founders Fund , DCM , Manta Ray Ventures , and Aloft among others , pulling in $ 18 million in a Series B. It has now add Mölnlycke as its first strategic investor , and as final result the socks will be made more available in European markets via this partnership ( as well as the U.S. ) .
The space is intelligibly warming up , to coin a idiomatic expression . Competitor Podimetrics has raised over $ 98 million for its temperature - sensing lustrelessness , while Orpyx , which makes a pressure - sense insole , recentlyraised$20 million in growth capital .
