A filter device for filtering a body vessel, the body vessel having a vessel wall, the filter device comprising: a first bar having a first end comprising a first end cap and extending distally along a first longitudinal length L B1 to a second end comprising a first center cap, and a second bar having a third end comprising a second end cap and extending proximally along a second longitudinal length L B2 to a fourth end comprising a second center cap, the first end cap being disposed proximal to the second end cap; a first slider having a first slider body with a first bore formed therethrough defining a first opening and a second opening, the first bar slidably disposed through the first and second openings to allow play between the first bar and first slider, and a second slider having a second slider body with a second bore formed therethrough defining a third opening and a fourth opening, the second bar slidably disposed through the third and fourth openings to allow play between the second bar and second slider; and a first set of filter struts and a second set of filter struts, the first set of filter struts comprising a first filter strut being arcuate and having a first portion attached to the first end cap and extending distally to a second portion, the second portion being attached to the second slider, the second set of filter struts comprising a second filter strut being arcuate and having a third portion attached to the second end cap and extending proximally to a fourth portion, the fourth portion being attached to the first slider, each filter strut (20, 22) having a contact portion (24, 26) to contact the vessel wall wherein the first and second sets of filter struts allow accommodation of body vessel movement. a first bar having a first end comprising a first end cap and extending distally along a first longitudinal length L B1 to a second end comprising a first center cap, and a second bar having a third end comprising a second end cap and extending proximally along a second longitudinal length L B2 to a fourth end comprising a second center cap, the first end cap being disposed proximal to the second end cap; a first slider having a first slider body with a first bore formed therethrough defining a first opening and a second opening, the first bar slidably disposed through the first and second openings to allow play between the first bar and first slider, and a second slider having a second slider body with a second bore formed therethrough defining a third opening and a fourth opening, the second bar slidably disposed through the third and fourth openings to allow play between the second bar and second slider; and a first set of filter struts and a second set of filter struts, the first set of filter struts comprising a first filter strut being arcuate and having a first portion attached to the first end cap and extending distally to a second portion, the second portion being attached to the second slider, the second set of filter struts comprising a second filter strut being arcuate and having a third portion attached to the second end cap and extending proximally to a fourth portion, the fourth portion being attached to the first slider, each filter strut (20, 22) having a contact portion (24, 26) to contact the vessel wall wherein the first and second sets of filter struts allow accommodation of body vessel movement.