Intersect ENT, Inc. operates as an ear, nose, and throat (ENT) medical technology company in the United States.

The company offers PROPEL, a steroid releasing implant to open the surgically enlarged sinus; PROPEL Mini, a releasing implant to treat patients undergoing frontal sinus surgery; and PROPEL Contour, a steroid releasing implant for the treatment of frontal and maxillary sinus ostia, or openings, of the dependent sinuses.

It also provides SINUVA, a steroid releasing implant for the treatment of patients in the physician office setting; VENSURE Navigable and Stand-alone balloon, a sterile and single-use device, used to access and treat frontal, sphenoid sinus, and maxillary ostia in adults using a trans-nasal approach; and CUBE Navigation System, a virtual guidance platform for high precision ENT and ENT related skull-base surgeries.

The company was formerly known as Sinexus, Inc. and changed its name to Intersect ENT, Inc. in November 2009.

Intersect ENT, Inc. was incorporated in 2003 and is headquartered in Menlo Park, California.