In terms of collecting human body data, current wearable health tracking devices have already touched the “ceiling†(after a certain degree of development, the room for improvement is getting smaller and smaller). For example, smart bracelets such as Fitbit Charge HR and Microsoft Microsoft Band continue to track user heart rates throughout the day, providing valuable data. But given the current technology, these devices can only do this. Existing wearable smart devices are also unable to "walk into" the user's blood. The startup Echo Labs is perhaps the first to push health tracking to a new level.
Echo Labs is a small startup from Stanford University's incubator Start X.
In two years, Echo Labs has developed a smart bracelet prototype that detects oxygen, carbon dioxide, pH, carbohydrates and blood pressure in the blood. In fact, Jawbone, Fitbit and Apple are also developing products with similar functions. But Echo Labs was the first to announce a prototype, although the current prototype looks a bit clumsy.
Although the product is not ready for listing, Echo Labs' two co-founders, Pierre-Jean Cobut, 32, and Elad Ferber, 29, have already A large number of consultations have been received from companies in the pharmaceutical, biotechnology, medical technology and insurance sectors, and even in car manufacturers, most of which are interested in the ability of the product to continuously monitor blood components.
Kebute and Faber originally planned to sell products directly to consumers, but Echo Labs has only one three-person team and it is difficult to officially launch a consumer product in the short term. Therefore, the final outcome is likely to be to apply the technology to other current health tracking products.
Echo Labs' smart bracelet prototype measures blood components through light and a proprietary algorithm. In short, it detects the concentration of molecules in the blood by emitting electromagnetic waves that penetrate human tissue and then measuring the reflection of different light frequencies.
Co-founder Kebut said: "Any molecule will react to light at a certain frequency. If we know the frequency, we can detect the molecular condition. But the lower the concentration of the molecule, the more difficult it is to capture. Large. Oxygen molecules and carbon dioxide molecules have different properties, so they can reflect different frequencies. Each molecule has a 'light signature'."
In fact, using light to measure blood components is not a new concept. For example, pulse oximeters use LED light to detect blood oxygen levels in the blood. It measures blood oxygen saturation based on the difference in wavelength of light absorbed by different tissues according to the colorimetric principle of the spectrophotometer. The oxygen saturation is different, and the amount of red light transmitted and the amount of infrared light absorbed by the blood will also be different.
One of the main challenges in measuring blood components using optical features is "noise." For example, if you put a finger-type pulse oximeter on your finger while walking, it will stop working. These "noises" refer to factors such as external light, motion, human hair, or skin tone.
Many companies are currently trying to use light and laser to solve this "noise" problem, especially when measuring blood sugar levels, because it is an important indicator of the human body. But so far, no company has successfully launched a non-invasive product (without the use of injection needles) to measure blood sugar levels.
Even Apple is trying to solve the problem. At the end of 2013, Apple recruited several engineers and scientists from California company C8 Medisensors. C8 Medisensors develops the non-invasive blood glucose monitoring device HG1-c.
Yoni Heisler, author of the technology news website Network World, wrote an article explaining why Apple could not integrate blood glucose monitoring technology into Apple Watch smart watches. In short, it is because the technology is too complicated and huge, especially the requirements of the camera are very demanding, can not be integrated into the smart watch.
Currently, C8 Medisensors is still struggling to solve the "noise" problem. Similarly, Apple can't integrate blood glucose monitoring with a generation of Apple Watch. But Echo Labs co-founder Fei Bo said that the algorithm developed by Echo Labs can solve the "noise" problem. The blood component can be continuously and efficiently measured regardless of whether the user is in motion or in a static state.
Faber believes that the Echo Labs team can overcome blood sugar problems in the next few years. Kebout called Echo Labs' algorithm "a complex mathematical and physical algorithm that can really cleanse the signal."
Faber and Kebute created Echo Labs after meeting at Harvard Business School in 2012. At the time, they thought that wearable smart devices were not "smart" enough, and most devices were limited to tracking the number of steps. Kebter said: "We want to provide users with some really valuable data, they can take action accordingly." For Echo Labs, how to integrate its technology into wearable devices, and to be comfortable and Accuracy is the next big challenge.
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