Implantable device with miniature rotating portion and uses thereof

• US 20080269871A1
• Filed: 10/24/2007
• Published: 10/30/2008
• Est. Priority Date: 04/27/2007
• Status: Abandoned Application

• Current Assignee: Uri Eli
• Original Assignee: Uri Eli
• Inventors: Eli, Uri
• Application Number:
  US11/976,436
• Publication Number:
  US 20080269871A1
• Time in Patent Office: Days
• US Class Current: 623/1.15
• CPC Class Codes: A61B 17/22 Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for dilators A61M29/00
• CPC Class Codes: A61B 17/320758 with a rotating cutting instrument, e.g. motor driven A61B17/320725, A61B17/32075 and A61B17/320783 take precedence; for removing intra-ocular material A61F9/00763; endoscopic rotatable cutting instruments A61B17/32002
• CPC Class Codes: A61B 18/082 Probes or electrodes therefor
• CPC Class Codes: A61B 2017/00017 Electrical control of surgical instruments
• CPC Class Codes: A61B 2017/00022 Sensing or detecting at the treatment site
• CPC Class Codes: A61B 2017/00415 having power generation near the working tip of the tool
• CPC Class Codes: A61B 2017/1205 Introduction devices
• CPC Class Codes: A61B 2017/22051 with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation A61B2017/22048, A61B2017/3486 take precedence
• CPC Class Codes: A61B 2017/22081 Treatment of vulnerable plaque
• CPC Class Codes: A61B 90/30 Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
• CPC Class Codes: A61F 2/0108 Both ends closed, i.e. legs gathered at both ends
• CPC Class Codes: A61F 2002/016 made from wire-like elements
• CPC Class Codes: A61F 2002/018 made from tubes or sheets of material, e.g. by etching or laser-cutting
• CPC Class Codes: A61F 2002/30079 magnetic
• CPC Class Codes: A61F 2210/009 magnetic
• CPC Class Codes: A61F 2230/0006 circular
• CPC Class Codes: A61F 2230/005 Rosette-shaped, e.g. star-shaped
• CPC Class Codes: A61F 2230/006 Y-shaped
• CPC Class Codes: A61F 2230/0069 cylindrical
• CPC Class Codes: A61F 2230/0071 spherical
• CPC Class Codes: A61F 2230/0091 : helically-coiled or spirally-coiled, i.e. having a 2-D spiral cross-section
• CPC Class Codes: A61N 1/3785 : generated by biological activity or substance, e.g. body movement

Abstract

A miniature rotating portion, used within the human body. Optionally and preferably, the device may be used for one or more of active filtration and removal of emboli, plaques and occluding materials within the cardiovascular system and any other bodily passageway, promoting blood clots and occluding material lysis and disassembly.

Claims

1. An implantable device for implanting in a blood vessel comprising a support structure, a movable blade supported by said support structure and at least one anchor for stably anchoring the support structure to a blood vessel, wherein blood flows through said movable blade.

6. The implantable device of claim 1 wherein said blades have variable width along the blades structure.

7. The implantable device of claim 1 wherein said blades are helical or skewback airfoils waped into a spherical shape.

8. The implantable device of claim 7 wherein said blades shaped to a form chosen from the group consisting an elliptic shape, spherical shape, tubular shape.

9. The implantable device of claim 1 wherein said plurality of blades having a configuration chosen from the group consisting of open configuration or closed configuration.

11. The implantable device of claim 1 wherein said plurality of blades further comprise a material having a magnetic property.

13. The implantable device of claim 1 wherein said at least one anchor comprises a plurality of anchors.

17. The implantable device of claim 1 wherein said support structure comprises a vessel support structure and wherein said at least one rotating portion lies within said vessel support structure.

18. The implantable device of claim 1, further comprising a filter portion supported by said support structure.

19. The implantable device of claim 18 wherein said filter is within a rotational volume of said at least one blade,

22. The implantable device of claim 19 wherein said filter is coupled to said blades.

23. The implantable device of claim 19 wherein said filter is not coupled to said blades.

49. The implantable device of claim 1 further comprising at least one peripheral device.

68. The device of claim 1 produced from a material selected from the group consisting of bioderadable material, metal, plastic, nitinol, titanium, plastically deformable material, temperature-sensitive shape memory material with a transition temperature around body temperature, flexible thread, surgical monofilament sutures, and any elastic material.

81. The device of claim 49 wherein said peripheral device is coupled to a device portion chosen from the group consisting of support structure, rotating portion, blade, anchor.

87. A method for implanting the device of claim 1, comprising providing the device of claim 1 in a collapsible linear form wherein the device components are folded onto themselves to allow delivery through a minimally invasive delivery system;

and implanting the device with said minimally invasive delivery system.

93. The device of claim 1 further comprising windings and endoluminal electrical cables for being electrically connected to said at least one movable blade.

118. The method of claim 87, wherein the device is retrievable.

121. The device of claim 1, wherein said support structure and said at least one movable blade arc configured to permit passage of a medical instrument.

125. The implantable device of claim 1, further comprising an induction device for further inducing rotation of said at least one movable blade.

2. The implantable device of claim I comprising a plurality of blades.

5. The implantable device of claim 2 comprising a plurality of blades in a concentric arrangement.

3-4. -4. (canceled)

10. (canceled)

12. (canceled)

14-16. -16. (canceled)

20-21. -21. (canceled)

24-25. -25. (canceled)

26. An implantable device for being implanted to a vessel having a fluid flow, comprising a vessel support structure and at least one rotating portion supported by said vessel support structure, wherein said vessel support structure comprises a lumen and wherein the fluid flows through said at least one rotating portion.

27. The implantable device of claim 26 further comprising a plurality of rotating portions.

28. The implantable device of claim 26 wherein said vessel support structure is selected from the group consisting of a tubular structure, stent, a wire frame, a stent graft, ring structure, tripod structure and a three winged structure.

29. The implantable device of claim 26 wherein said at least one rotating portion is within the lumen of the vessel support structure.

32. The implantable device of claim 27 wherein said plurality of rotating portions are coupled to said vessel support structure within said lumen in a sequential configuration.

74. The device of claim 26 produced from a material selected from the group consisting of biodegradable material, metal, plastic, nitinol, titanium, plastically deformable material, temperature-sensitive shape memory material with a transition temperature around body temperature, flexible thread, surgical monofilament sutures, and any elastic material.

83. The device of claim 26 further comprising a peripheral device.

84. The device of claim 83 wherein said peripheral device is coupled to a device portion chosen from the group consisting of vessel support structure, rotating portion, blade.

116. The device of claim 26, wherein an internal surface of the vessel support structure is shaped as an airfoil for increasing blood flow through the rotating portion and farther deflecting embolic material into the rotating portion and filter portion.

30-31. -31. (canceled)

33-37. -37. (canceled)

38. An implantable device for being implanted to a vessel having a fluid flow, comprising a vessel support structure, at least one rotating portion, and a filter portion, wherein said at least one rotating portion and said filter portion are supported by said vessel support structure and wherein the fluid flows through said at least one rotating portion and said filter portion.

39. The implantable device of claim 38 wherein said at least one filter portion has a shape chosen from the group consisting of concave or convex.

43. The implantable device of claim 38 wherein said filter portion is attached to said rotating portion comprises a plurality of blades wherein blade configuration is chosen from the group consisting of a closed configuration or an open configuration.

71. The device of claim 38 produced from a material selected from the group consisting of biodegradable material, metal, plastic, nitinol, titanium, plastically deformable material, temperature-sensitive shape memory material with a transition temperature around body temperature, flexible thread, surgical monofilament sutures, and any elastic material.

85. The device of claim 38 further comprising a peripheral device.

86. The device of claim 85 wherein said peripheral device is coupled to a device portion chosen from the group consisting of vessel support structure, rotating portions blade, filter portion.

129. The implantable device of claim 38 wherein said rotating portion comprises a plurality of airfoil blades.

130. The implantable device of claim 38 wherein said rotating portion is chosen from the group consisting of an axial-flow rotating portion or an across-flow rotating portion.

40-42. -42. (canceled)

44-48. -48. (canceled)

50. (canceled)

51. An implantable rotation portion for use in a blood vessel comprising a support structure, a movable blade supported by said support structure, at least one anchor for stably anchoring the support structure to a blood vessel and a medicament release mechanism connected to said support structure for releasing a medicament, wherein blood flows through said movable blade.

52. The device of claim 51 wherein the medicament is taken from the group comprising blood thinning drugs or hormones or genes.

54. The device of claim 51 wherein the medicament is controllably released.

58. The device of claim 52 wherein the medicament is the form of coated material.

53. (canceled)

55-57. -57. (canceled)

59-67. -67. (canceled)

69-70. -70. (canceled)

72-73. -73. (canceled)

75. A method of treating occluding matter within a blood vessel, comprising implanting a device comprising a movable blade within the blood vessel;

permitting blood to flow through said movable blade; and

moving said movable blade by said blood flow, wherein a movement of said movable blade breaks up the occluding matter.

76. The method of claim 75, wherein the occluding matter is selected from the group consisting of an embolus, a clot, a plaque, and any occluding material.

79. The method of claim 75, wherein said device further comprises a filter for filtering the occluding matter from said blood flow.

77-78. -78. (canceled)

80. (canceled)

82. (canceled)

88-92. -92. (canceled)

94-95. -95. (canceled)

96. A method for determining at least one cardiac parameter, comprising:

implanting a device comprising a movable blade within the blood vessel, permitting blood to flow through said movable blade;

moving said movable blade by said blood flow; and

determining the at least one cardiac parameter according to said moving of said movable blade.

97. The method of claim 96 wherein said cardiac parameters are selected from the group consisting of blood flow rate, cardiac output, vessel occlusion, and blood pressure.

98. The method of claim 96 wherein said cardiac parameters are determined by a sensor for sensing said blood flow.

99-115. -115. (canceled)

117. (canceled)

119. (canceled)

120. (canceled)

122-124. -124. (canceled)

126-128. -128. (canceled)