Sleep disorder treatment company Inspire Medical Systems, also backed by Johnson & Johnson, has secured $40m from its series E round.

Inspire Medical Systems, a US-based developer of devices to treat sleep apnea, has closed a $40m series E financing round.

OrbiMed led the round, which also featured existing backers Kleiner Perkins Caufield & Byers, US Venture Partners, Synergy Life Science Partners, GDN Holdings, TGap Ventures and medical device company Medtronic.

Spun out from Medtronic in 2007, Inspire previously raised $14.5m from a 2012 series C round and $1.5m from its series B in 2009. Previous backers include Johnson & Johnson…