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Patent application shows how Apple Watch could monitor blood sugar without drawing blood

February 14, 2021 Technology 4 Views



We’ve already told you about The rumored new health-related feature is reportedly coming to the Apple Watch Series 7 later this year. If the rumors go over, the next version of the Apple Watch will be able to deliver blood glucose measurements; This information is needed by insulin-dependent diabetics to calculate how much insulin they need to take before eating their next meal. This happens to be a very painful and expensive test since it requires diabetics to draw blood from their fingertips, put a blood sample on a test strip (the strips are quite expensive) and insert it into a machine called a glucometer.

Apple is applying for a patent on technology that will be used to monitor Apple Watch users̵
7; blood sugar measurements

If Apple can make the technology work, those with Apple Watch Series 7 who are insulin dependent diabetics will be able to monitor their blood sugar without paying for the test strips for single use. More importantly, they do not have to feel the pain by sticking their finger with a small needle called a lancet. Since many diabetics do not like to go through the process of getting a reading, the new feature can lead to improved monitoring from these patients and help them control diabetes better. And Apple Watch will eventually pay for itself since there are no more test strips to buy.

So how does Apple plan to measure a person’s blood sugar level without drawing blood? A new patent application filed by Apple with the US Patent and Trademark Office explains how. With the long-standing title “Terahertz spectroscopy and image processing in dynamic environments with performance improvements using ambient sensors“Apple plans to use absorption spectroscopy to obtain non-invasive blood glucose measurements. The goal is to use terahertz electromagnetic radiation instead of light passing through the user’s body to detect” gas, health / quality of liquid or solid materials. ”

There are some problems. Apple adds: “Integrating a gas sensor on an electronic device requires an aperture or opening to allow air to flow into the gas sensor so that the gas can be detected.” The opening used to allow airflow may reduce the device’s protection against water. In addition, blood glucose measurements must be accurate. If a small amount is lost, the user may end up taking too much insulin and having a hypoglycaemic or low blood sugar attack. This can cause the user to fail. The system designed by Apple will be able to continuously monitor a diabetic’s blood sugar levels, but not with the accuracy available to hospital patients. Bringing non-invasive blood glucose testing to the Apple Watch can also drain the device’s battery much faster than usual. For a blood glucose meter to be available on the Apple Watch, the device needs to monitor more than just gas. But it is a question of whether the watch is large enough to fit all the necessary components. The price of the Apple Watch also had to rise.

The technology discussed in the patent application can also be used to detect skin cancer and other skin problems. And while all of this sounds pretty grand, Apple has been working on non-invasive blood sugar testing for many years, and there’s no sign that the company has actually started working on this technology at all. Still, the possible payout will be huge for diabetics and Apple. Especially considering the other potential diseases that can be detected with this technology.

It is also rumored that Samsung is ready to include a non-invasive blood glucose monitor with its next smartwatch which is expected to be released later this year. It is not known if Sammy will use the same technology as Apple for the system.


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