Method for filtering blood in a vessel with helical elements
A method for capturing an embolus within a vessel of a patient's body includes the steps of providing a device having at least one helix made of a mesh material. The at least one helix has a plurality of turns helically arranged around a longitudinal axis. The mesh material has a plurality of pores therein wherein the pores have a size ≧120 μm. The device is placed within the vessel of the patient's body by moving the device from a collapsed state to an expanded state.
1 . A method for capturing an embolus within a vessel of a patient's body, the method comprising the steps of:
providing a device comprising at least one helix made of a mesh material,
the at least one helix having a plurality of turns helically arranged around a longitudinal axis, the mesh material having a plurality of pores therein, the pores having a size ≧120 μm; and
placing the device within the vessel of the patient's body.
2 . The method according to claim 2 , wherein the device is placed within the vessel of the patient's body by moving the device from a collapsed state to an expanded state when placed within a vessel.
3 . The method according to claim 2 , further comprising anchoring the device to an inner wall of the vessel.
4 . The method according to claim 3 , further comprising anchoring the device to an inner wall of the vessel using a plurality of barbs.
5 . The method according to claim 2 , wherein the device is placed within the vessel through use of a delivery catheter.
6 . The method according to claim 1 , further comprising eluting at least one drug from the device.
7 . The method according to claim 6 , further comprising eluting at least one cytostatic drug from the device.
8 . The method according to claim 7 , further comprising eluting a rapamycin from the device.
9 . The method according to claim 6 , further comprising eluting at least one cytotoxic drug from the device.
10 . The method according to claim 9 , further comprising eluting paclitaxel from the device.
11 . The method according to claim 2 , further comprising moving the device from the collapsed state to the expanded state using a self-expanding material.
12 . The method according to claim 11 , further comprising moving the device from the collapsed state to the expanded state using a shape memory material.
13 . The method according to claim 12 , further comprising moving the device from the collapsed state to the expanded state using a metal alloy.
14 . The method according to claim 13 , further comprising moving the device from the collapsed state to the expanded state using a nickel titanium material.
15 . The method according to claim 2 , further comprising moving the device from the collapsed state to the expanded state using a stainless steel material.
16 . The method according to claim 11 , further comprising moving the device from the collapsed state to the expanded state using a polymer material.
17 . The method according to claim 16 , further comprising moving the device from the collapsed state to the expanded state using a biodegradable polymer material.
18 . The method according to claim 17 , further comprising moving the device from the collapsed state to the expanded state using a bioabsorbable polymer material.
19 . A method for capturing an embolus within a vessel of a patient's body, the method comprising the steps of:
providing a device comprising at least one helix made of a mesh material,
the at least one helix having a plurality of turns helically arranged around a longitudinal axis, the mesh material having a plurality of pores therein, the pores having a size ≧120 μm, the pores varying in size from a larger size at one end of the at least one helix to a smaller size at an opposite end of the at least one helix; and
placing the device within the vessel of the patient's body.
20 . The method according to claim 19 , wherein the device is placed within the vessel of the patient's body by moving the device from a collapsed state to an expanded state when placed within a vessel.
21 . The method according to claim 20 , further comprising anchoring the device to an inner wall of the vessel.
22 . The method according to claim 21 , further comprising anchoring the device to an inner wall of the vessel using a plurality of barbs.
23 . The method according to claim 20 , wherein the device is placed within the vessel through use of a delivery catheter.
24 . The method according to claim 19 , further comprising eluting at least one drug from the device.
25 . The method according to claim 24 , further comprising eluting at least one cytostatic drug from the device.
26 . The method according to claim 25 , further comprising eluting a rapamycin from the device.
27 . The method according to claim 24 , further comprising eluting at least one cytotoxic drug from the device.
28 . The method according to claim 27 , further comprising eluting paclitaxel from the device.
29 . The method according to claim 20 , further comprising moving the device from the collapsed state to the expanded state using a self-expanding material.
30 . The method according to claim 29 , further comprising moving the device from the collapsed state to the expanded state using a shape memory material.
31 . The method according to claim 30 , further comprising moving the device from the collapsed state to the expanded state using a metal alloy.
32 . The method according to claim 31 , further comprising moving the device from the collapsed state to the expanded state using a nickel titanium material.
33 . The method according to claim 20 , further comprising moving the device from the collapsed state to the expanded state using a stainless steel material.
34 . The method according to claim 29 , further comprising moving the device from the collapsed state to the expanded state using a polymer material.
35 . The method according to claim 34 , further comprising moving the device from the collapsed state to the expanded state using a biodegradable polymer material.
36 . The method according to claim 35 , further comprising moving the device from the collapsed state to the expanded state using a bioabsorbable polymer material.
37 . A method for trapping an embolus within a vessel of a patient's body, the method comprising the steps of:
providing a device comprising a plurality of mesh panels movable from a collapsed state to an expanded state when placed within a vessel, the mesh panels forming a plurality of turns helically arranged around a longitudinal axis when in the expanded state, the mesh panels having a plurality of pores therein, the pores having a size ≧120 μm; and
placing the device within the vessel of the patient's body.
38 . The method according to claim 37 , wherein the device is placed within the vessel of the patient's body by moving the mesh panels of the device from a collapsed state to an expanded state when placed within a vessel.
39 . The method according to claim 38 , further comprising anchoring the device to an inner wall of the vessel.
40 . The method according to claim 39 , further comprising anchoring the device to an inner wall of the vessel using a plurality of barbs.
41 . The method according to claim 38 , wherein the device is placed within the vessel through use of a delivery catheter.
42 . The method according to claim 37 , further comprising eluting at least one drug from the device.
43 . The method according to claim 42 , further comprising eluting at least one cytostatic drug from the device.
44 . The method according to claim 43 , further comprising eluting a rapamycin from the device.
45 . The method according to claim 42 , further comprising eluting at least one cytotoxic drug from the device.
46 . The method according to claim 45 , further comprising eluting paclitaxel from the device.
47 . The method according to claim 38 , further comprising moving the mesh panels of the device from the collapsed state to the expanded state using a self-expanding material.
48 . The method according to claim 47 , further comprising moving the mesh panels of the device from the collapsed state to the expanded state using a shape memory material.
49 . The method according to claim 48 , further comprising moving the mesh panels of the device from the collapsed state to the expanded state using a metal alloy.
50 . The method according to claim 49 , further comprising moving the mesh panels of the device from the collapsed state to the expanded state using a nickel titanium material.
51 . The method according to claim 38 , further comprising moving the mesh panels of the device from the collapsed state to the expanded state using a stainless steel material.
52 . The method according to claim 47 , further comprising moving the mesh panels of the device from the collapsed state to the expanded state using a polymer material.
53 . The method according to claim 52 , further comprising moving the mesh panels of the device from the collapsed state to the expanded state using a biodegradable polymer material.
54 . The method according to claim 53 , further comprising moving the mesh panels of the device from the collapsed state to the expanded state using a bioabsorbable polymer material.
55 . A method for trapping an embolus within a vessel of a patient's body, the method comprising the steps of:
providing a device comprising a plurality of mesh panels movable from a collapsed state to an expanded state when placed within a vessel, the mesh panels forming a plurality of turns helically arranged around a longitudinal axis in a double helix arrangement when in the expanded state, the mesh panels having a plurality of pores therein, the pores having a size ≧120 μm; and
placing the device within the vessel of the patient's body.
56 . The method according to claim 55 , wherein the device is placed within the vessel of the patient's body by moving the mesh panels of the device from a collapsed state to an expanded state when placed within a vessel.
57 . The method according to claim 56 , further comprising anchoring the device to an inner wall of the vessel.
58 . The method according to claim 57 , further comprising anchoring the device to an inner wall of the vessel using a plurality of barbs.
59 . The method according to claim 56 , wherein the device is placed within the vessel through use of a delivery catheter.
60 . The method according to claim 55 , further comprising eluting at least one drug from the device.
61 . The method according to claim 60 , further comprising eluting at least one cytostatic drug from the device.
62 . The method according to claim 61 , further comprising eluting a rapamycin from the device.
63 . The method according to claim 60 , further comprising eluting at least one cytotoxic drug from the device.
64 . The method according to claim 63 , further comprising eluting paclitaxel from the device.
65 . The method according to claim 56 , further comprising moving the mesh panels of the device from the collapsed state to the expanded state using a self-expanding material.
66 . The method according to claim 65 , further comprising moving the mesh panels of the device from the collapsed state to the expanded state using a shape memory material.
67 . The method according to claim 66 , further comprising moving the mesh panels of the device from the collapsed state to the expanded state using a metal alloy.
68 . The method according to claim 67 , further comprising moving the mesh panels of the device from the collapsed state to the expanded state using a nickel titanium material.
69 . The method according to claim 56 , further comprising moving the mesh panels of the device from the collapsed state to the expanded state using a stainless steel material.
70 . The method according to claim 65 , further comprising moving the mesh panels of the device from the collapsed state to the expanded state using a polymer material.
71 . The method according to claim 70 , further comprising moving the mesh panels of the device from the collapsed state to the expanded state using a biodegradable polymer material.
72 . The method according to claim 71 , further comprising moving the mesh panels of the device from the collapsed state to the expanded state using a bioabsorbable polymer material.