A filter device for capturing embolic material capable of retrogradely installing a filter is provided. A filter device for capturing embolic material 100 has a core wire 20 moving a filter member 40 to a target position in a blood vessel, a guide portion 30 formed on the distal front end side of the core wire 20 and guiding the core wire 20 in the blood vessel, the filter member 40 provided on the core wire 20 and capturing a blood clot and debris, and a sheath 50 capable of extending the core wire 20 therethrough.
