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April 29, 2019 09:00 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/xc_Zt3Amgm4/how-an-obsolete-medical-device-with-a-security-flaw-became-a-must-have-for-some-patients-w
How an Obsolete Medical Device With a Security Flaw Became a Must-Have For Some Patients With Type 1 Diabetes
From a report on The Atlantic: In 2014, a few hackers realized that the security flaw in certain Medtronic pumps could be exploited for a DIY revolution. Type 1 diabetes is a disease where the pancreas is unable to produce insulin to control blood sugar. For years, Boss (the anecdote in the story who purchased used insulin pumps from some dealer on Craiglist) had counted, down to the gram, the carbohydrates in every meal and told his pump how much insulin to dispense. [...] By 2014, the hardware components of a DIY artificial pancreas -- a small insulin pump that attaches via thin disposable tubing to the body and a continuous sensor for glucose, or sugar, that slips just under the skin -- were available, but it was impossible to connect the two. That's where the security flaw came in. The hackers realized they could use it to override old Medtronic pumps with their own algorithm that automatically calculates insulin doses based on real-time glucose data. It closed the feedback loop. They shared this code online as OpenAPS, and "looping," as it's called, began to catch on. Instead of micromanaging their blood sugar, people with diabetes could offload that work to an algorithm. In addition to OpenAPS, another system called Loop is now available. Dozens, then hundreds, and now thousands of people are experimenting with DIY artificial-pancreas systems -- none of which the Food and Drug Administration has officially approved. And they've had to track down discontinued Medtronic pumps. It can sometimes take months to find one. Obviously, you can't just call up Medtronic to order a discontinued pump with a security flaw. "It's eBay, Craigslist, Facebook. It's like this underground market for these pumps," says Aaron Kowalski, a DIY looper and also CEO of JDRF, a nonprofit that funds type 1 diabetes research. This is not exactly how a market for lifesaving medical devices is supposed to work. And yet, this is the only way it can work -- for now.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/xc_Zt3Amgm4/how-an-obsolete-medical-device-with-a-security-flaw-became-a-must-have-for-some-patients-w
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