Other

Mayo Clinic Q and A: How are rotator cuff tears treated?

DEAR MAYO CLINIC: I injured my rotator cuff recently and was told I was not a candidate for surgery. However, a friend shared that there's a new minimally invasive treatment option that uses a balloon implant. How does this ...

Cardiology

A new stent design may put patients at risk

Some stents that keep blood vessels open to treat heart disease are poorly designed to resist shortening, according to publications in the Journal of Interventional Cardiology. A case report published in the journal by Dr. ...

Oncology & Cancer

Membrane around tumors may be key to preventing metastasis

For cancer cells to metastasize, they must first break free of a tumor's own defenses. Most tumors are sheathed in a protective "basement" membrane—a thin, pliable film that holds cancer cells in place as they grow and ...

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Balloon

A balloon is an inflatable flexible bag filled with a gas, such as helium, hydrogen, nitrous oxide, oxygen, or air. Modern balloons can be made from materials such as rubber, latex, polychloroprene, or a nylon fabric, while some early balloons were made of dried animal bladders, such as the pig bladder. Some balloons are used for decorative purposes, while others are used for practical purposes such as meteorology, medical treatment, military defense, or transportation. A balloon's properties, including its low density and low cost, have led to a wide range of applications. The inventor of the rubber balloon, (the most common balloon) was Michael Faraday in 1824, via experiments with various gases.

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