Ultrasound examination device and catheter for intravascular ultrasound examination

Abstract

To provide an ultrasound examination device that has a small outer diameter and is electrically stable. An ultrasound examination device includes a shaft, a first lead wire and a second lead wire inserted into an internal space of the shaft and extended out from a distal end of the shaft, a conductive thin film extending from the distal end of the shaft toward a distal side and electrically connected to the first lead wire, an ultrasound probe located on the distal side of the distal end of the shaft and having a first electrode layer electrically connected to the conductive thin film and a second electrode layer electrically connected to the second lead wire, and a resin holder configured to hold, at least, a portion belonging to the second lead wire and extended out from the shaft, the conductive thin film, and the ultrasound probe.

Dependencies are inferred from the claim text.