Wednesday November 20, 2019

Two Belarusian Men invent simple and inexpensive Prosthetic Arm in Europe that can be made at Home

The mechanical arm looks nothing like the sophisticated prosthetic arm, but it is affordable, easy to assemble and does not require much maintenance

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October 21, 2016: Oleg Galtsev, a graduate from the International Visitor Leadership Program (IVLP) of the U.S. Embassy in Belarus, is launching the first bionics startup in Belarus. The programmer has created a “smart” prosthetic arm that costs almost 10 times less than an alternative product from Germany.

Oleg was four years old when his father Sergei, a former soviet army captain, lost his arm in an explosion on a military firing range. Almost 30 years later, Sergei, now 53, is using a prosthetic arm designed by his son and a fellow engineer in the basement of their home. They gave him the prosthetic arm to test for three weeks. He used it to cut the grass and do many other things in the field.

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https://www.youtube.com/watch?v=Qrbl_GCxncY

The mechanical arm looks nothing like the sophisticated prosthetic arm, but it is affordable, easy to assemble and does not require much maintenance. It does not have sense of controls. It is like Lego designed for people who are not at ease with electronics. They just take cheap models and put them together themselves. Oleg says it took them 2 years to design the prosthetic arm. They used a 3-D printer to create some parts and bought other online.

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According to the inventor, the turning movement makes the fingers open and close. The angles can be adjusted and programmed. Oleg and his partner did not patent the device and they have published do-it-yourself instructions online. They say it is 10 times cheaper than the other mechanical prosthesis. Sergei says he can now perform many outdoor tasks such as sawing with the chainsaw which he could not do before.

He said, “I am proud that my son decided to tackle this problem. There are many people who really need this device in their daily life”. Videos of the test have sparked worldwide interest on YouTube says the young inventor who aims to spark a do-it-yourself revolution in prosthetics.

Now, he is planning to make the arm available around the globe and working on it to refine the structure so that a person of any age group can use them.

– by NewsGram Team

  • Antara

    Incredible invention!

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Study: Friend Circle More Predictive of your Overall Health and Wellness than Fitbit Watches

According to the study published in the journal PLOS ONE, the researchers were interested in what the structure of social networks says about the state of health, happiness and stress

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Self-esteem, Social Relationship, Support, Acceptance
The authors found that positive social relationships, social support and social acceptance help shape the development of self-esteem in people over time across ages four to 76. Pixabay

To get a better reading on your overall health and wellness, you should be better off looking at the strength and structure of your circle of friends, says a study. According to the study published in the journal PLOS ONE, the researchers were interested in what the structure of social networks says about the state of health, happiness and stress.

“What we found was the social network structure provides a significant improvement in predictability of wellness states of an individual over just using the data derived from wearables, like the number of steps or heart rate,” said the study lead author Nitesh V. Chawla, a researcher of Indian origin from University of Notre Dame in the US.

fitbit, health
Fitbit watches have sensors that get information from air temperature and humidity, but also from the physiological response of the individual in that environment. Pixabay

For the study, participants wore Fitbit to capture health behaviour data — such as steps, sleep, heart rate and activity level and completed surveys and self-assessments about their feelings of stress, happiness and positivity.

The research team then analysed the data, using machine learning, alongside an individual’s social network characteristics, including degree, centrality, clustering coefficient and number of triangles.

fitbit, health
According to the study published in the journal PLOS ONE, the researchers were interested in what the structure of social networks says about the state of health, happiness and stress. Pixabay

The study showed a strong correlation between social network structures, heart rate, number of steps and level of activity. According to the researchers, social network structure provided significant improvement in predicting one’s health and well-being compared to just looking at health behaviour data from the Fitbit alone.

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For example, when social network structure is combined with the data derived from wearables, the machine learning model achieved a 65 per cent improvement in predicting happiness, 54 per cent improvement in predicting one’s self-assessed health prediction, 55 per cent improvement in predicting positive attitude, and 38 per cent improvement in predicting success.

“This study asserts that without social network information, we only have an incomplete view of an individual’s wellness state, and to be fully predictive or to be able to derive interventions, it is critical to be aware of the social network structural features as well,” Chawla said. (IANS)