A startup company in Colorado wants to take the concept of the smart football helmet a step further by enabling it to pop open dozens of tiny airbags and cushion the blow of a hard hit to the head.
Concussion Mitigation Technologies LLC is proposing to equip future helmets with enough electronic intelligence to enable them to measure a hit, compare it to pre-determined criteria, and intelligently pressurize as many as 75 dime-sized airbags. Troy Fodemski, founder of the fledgling company, believes the patented technology will help professional and amateur sports deal with growing concerns about head injuries.
Airbags inside the helmet are pressurized sequentially, enabling the helmet to provide cushioning as the brain moves back and forth within the skull. (Source: Concussion Mitigation Technologies LLC)
"The human brain wasn't made to withstand 80 Gs in 15 milliseconds," Fodemski, an electrical engineer, told Design News. "If we want to compete in contact sports with a human brain, then we're going to have to use sophisticated data collection, modeling, and response techniques."
The company's football helmet, which hasn't yet been fully prototyped, will incorporate multiple strain gages, a small cartridge of carbon dioxide (CO2), scores of tiny airbags, a lithium battery, and a printed circuit board with a microprocessor, memory, and analog-to-digital converters. On the field, the helmet will use the strain gages to measure the impact of hit. Then it will send the data to the microprocessor, compare it to software models in memory, and pressurize the airbags with CO2 when necessary.
"When the player gets hit, the helmet will compare the data to numbers in a look-up table," Fodemski said. "It will say, 'The player has been hit in quadrant XYZ of his brain, and the brain will move 11 times.' Then it will fire off the airbags in sequence to respond to the movement of the brain."
The technology faces multiple hurdles -- cost, complexity, and practicality, to name just a few. Still, it comes at a time when professional and amateur sports are facing a growing body of knowledge suggesting that head injuries and concussions have long-term effects on the brain that haven't been fully understood up until now. As a result, NFL head-trauma lawsuits now number in the hundreds, and deaths of former stars, such as Junior Seau, Mike Webster, and Dave Duerson, are being viewed in the context of severe repeated concussions. The same has happened in the National Hockey League, where deaths of several notable former players in 2011 further heightened concerns.
Good point naperlou. It would be more cost effective for the professionals to invest in these and improve the technology through practical use than what they're doing now.
I first heard about this idea last year after two high profile NHL suicides. I'm a little skeptical about the efficacy of airbags in such a small space but I can't wait to see the prototype.
Completely agree with you Naperlou. Human brains are not architected to withstand that kind of force. I'm sure the military has similar technology already, but what about this type of sensor-based airbag technology for helmets worn by soldiers/reporters in the field that are subject to IED attacks. Folks like journalist Bob Woodruff could have been a beneficiary.
Beth, good point. I think this is the way to go, though. Let the professionals, for whom a $1000 helmet would not be a burden, bear the cost of engineering and proof of concept. If it works in that arena, then others will decide it is worthwhile and the volumes will go up. Let's hope it works, becuase this is becoming a problem we are aware of and that is really preventable.
What a great idea and so necessary, for both professional atheletes, our kids, as well as military and other rescue personnel. Clearly the problem is getting the cost down so it can be produced and commercialized at an affordable price point. I would think the NHL or NFL would buck up for the helmet, regardless of the expense. But in order to get it past the professional sports world, it's going have to become far more accessible. That's where they need to spend time on the engineering.
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