Washington - A medical implant that slowly dissolves into the body could be the answer to long-standing safety concerns with devices used to treat clogged arteries.

But not so fast, say experts.

Abbott Laboratories’ newly-approved Absorb stent comes with one important caveat: it hasn’t yet been shown to be safer than older metal implants.

The Food and Drug Administration approved the device Tuesday for patients with coronary artery disease, the artery-narrowing condition that causes about 370,000 U.S. deaths each year, according to government figures. The new stent is designed to gradually dissolve over three years.... Read More: VIN