The sun shines on the dome at the State House in Augusta.

AUGUSTA, Maine — The Maine Legislature has passed a proposal that supporters said will make epinephrine delivery devices more affordable and more easily available.

Epinephrine devices are used to treat anaphylaxis, a serious reaction to an allergy. Democratic Sen. Heather Sanborn of Portland proposed a bill to expand the definition of “epinephrine pen” and “epinephrine auto-injector” in Maine statute.

Sanborn said that change will help make certain that schools and summer camps in the state have the delivery devices available when they don’t have access to the EpiPen, which is a common delivery system. The EpiPen is subject to short supply and is expensive, which means it’s important to broaden the definition, Sanborn said.

The Maine Senate passed the proposal on Feb. 18.