Weight-loss devices startup Allurion Technologies closes a $1.7 million funding round for its implantable stomach balloon.

Weight-loss devices startup Allurion Technologies closed a $1.7 million funding round, according to the company's 1st reported filing with the SEC.

The Wellesley, Mass.-based company is working on a balloon, compressed into a swallowable pill, that expands in the stomach.

The balloon remains in the stomach, creating feelings of fullness, until the patient swallows an non-toxic agent that dissolves the balloon. .