A thrombus treatment device includes a support wire, a body frame portion that is disposed about an axis defined by the support wire, one or more tethers that each have a first end and a second end, and a filter element extending from the body frame portion. Each of the one or more tethers is attach
A thrombus treatment device includes a support wire, a body frame portion that is disposed about an axis defined by the support wire, one or more tethers that each have a first end and a second end, and a filter element extending from the body frame portion. Each of the one or more tethers is attached at its first end to the body frame portion, and at its second end to a collar that couples the second end of each of the multiple tethers to the support wire. When the collar is positioned substantially within a region interior of the body frame portion, a rotational actuation of the support wire causes a swiveling motion of the one or more tethers.
대표청구항▼
1. A thrombus treatment device, comprising: a support wire;a body frame portion that is disposed about an axis defined by the support wire, wherein the body frame portion defines one or more closed interstices, the body frame is operable to expand with a radial force sufficient to embed in thrombus
1. A thrombus treatment device, comprising: a support wire;a body frame portion that is disposed about an axis defined by the support wire, wherein the body frame portion defines one or more closed interstices, the body frame is operable to expand with a radial force sufficient to embed in thrombus allowing protrusion of thrombus material within an interior of the body frame;a tether portion that includes one or more tethers, said one or more tethers extending from the body frame portion to a collar that is coupled to the support wire; anda filter portion that extends from the body frame portion,wherein, when the collar is positioned substantially within a region interior of the body frame portion or filter portion, articulation of the support wire causes a portion of the one or more tethers to sweep through a range of motion and does not impart substantial motion to the body frame portion, the articulation of the support wire being at least a rotation of the support wire up to 270 degrees. 2. The device of claim 1, wherein the articulation of the support is a rotation of said support wire and causes substantially zero motion of the body frame portion. 3. The device of claim 2, wherein the device includes, with respect to the rotation of the support wire, a neutral position associated with a zero-degree rotation of the support wire, a first torqued position associated with a clockwise rotation of the support wire, and a second torqued position associated with a counterclockwise rotation of the support wire. 4. The device of claim 3, wherein the one or more tethers comprise a first generally linear shape when the device is in the first torqued position, and comprises a second generally linear shape when the device is in the second torqued position. 5. The device of claim 1, wherein the one or more tethers are adapted to sever, when the support wire is articulated, at least a portion of thrombotic material that protrudes through the one or more interstices defined by the body frame portion. 6. The device of claim 1, wherein articulation of the support wire is a rotation of the support wire up to 180 degrees and causes the portion of the one or more tethers to sweep through a range of motion and does not impart substantial motion to the body frame portion. 7. A thrombus treatment device, comprising: a support wire;a body frame portion that is disposed about an axis defined by the support wire, wherein the body frame portion defines one or more closed interstices, the body frame is operable to expand with a radial force sufficient to embed in thrombus allowing protrusion of thrombus material within an interior of the body frame;a tether portion that includes one or more tethers, said one or more tethers extending from the body frame portion to a collar that is coupled to the support wire; anda filter portion that extends from the body frame portion,wherein, when the collar is positioned substantially within a region interior of the body frame portion or filter portion, a manipulation of the support wire causes a portion of the one or more tethers to sweep through a range of motion and does not impart substantial motion to the body frame portion, the manipulation of the support wire being at least a rotation of the support wire up to 270 degrees. 8. The thrombus treatment device of claim 7, wherein the manipulation of the support wire additionally includes a linear movement substantially parallel to the axis. 9. The device of claim 7, wherein the rotational movement of the support wire is up to 180 degrees. 10. The device of claim 7, wherein the device includes, with respect to the rotation of the support wire, a neutral position associated with a zero-degree rotation of the support wire, a first torqued position associated with a clockwise rotation of the support wire, and a second torqued position associated with a counterclockwise rotation of the support wire. 11. The device of claim 10, wherein the one or more tethers comprise a first generally linear shape when the device is in the first torqued position, and comprises a second generally linear shape when the device is in the second torqued position. 12. The device of claim 7, wherein the one or more tethers are adapted to sever, when the support wire is rotated, at least a portion of thrombotic material that protrudes through the one or more interstices defined by the body frame portion.
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