Removable anchored lung volume reduction device and methods

• US 20060235467A1
• Filed: 05/02/2006
• Published: 10/19/2006
• Est. Priority Date: 04/16/2002
• Status: Abandoned Application

• Current Assignee: Gyrus ACMI, Inc. (Olympus Corporation)
• Original Assignee: Gyrus ACMI, Inc. (Olympus Corporation)
• Inventors: DeVore, Lauri J.
• Application Number:
  US11/416,337
• Publication Number:
  US 20060235467A1
• Time in Patent Office: Days
• US Class Current: 606/213
• CPC Class Codes: A61B 17/12022 Occluding by internal devices, e.g. balloons or releasable wires plugging an opening in the wall of an organ A61B17/0057; occluders for the cervical canal A61F6/146; vas deferens occluders A61F6/20
• CPC Class Codes: A61B 17/12104 in an air passage
• CPC Class Codes: A61B 17/12159 Solid plugs; being solid before insertion
• CPC Class Codes: A61B 17/12172 having a pre-set deployed three-dimensional shape methods of manufacturing A61B2017/00526
• CPC Class Codes: A61B 2017/1205 Introduction devices
• CPC Class Codes: A61B 2017/22067 Blocking; Occlusion A61B2017/22054 takes precedence
• CPC Class Codes: A61B 2017/242 for bronchial passages
• CPC Class Codes: A61B 2090/033 Abutting means, stops, e.g. abutting on tissue or skin
• CPC Class Codes: A61F 2/04 Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts A61F2/18, A61F2/20 take precedence; devices, other than stent-grafts, providing patency to, or preventing collapsing of, tubular structures of the body other than stent-grafts, e.g. stents A61F2/82; instruments specially adapted for placement or removal of stents or stent-grafts A61F2/95
• CPC Class Codes: A61F 2/2412 with soft flexible valve members, e.g. tissue valves shaped like natural valves check valves with flexible valve members in general F16K15/14
• CPC Class Codes: A61F 2/2418 Scaffolds therefor, e.g. support stents
• CPC Class Codes: A61F 2002/043 Bronchi
• CPC Class Codes: A61F 2002/8483 Barbs
• CPC Class Codes: A61M 16/0406 implanted flow modifiers

Abstract

An intra-bronchial device may be placed in an air passageway of a patient to collapse a lung portion associated with the air passageway. The device includes an obstructing member that prevents air from being inhaled into the lung portion to collapse the lung portion, and an anchoring device that anchors the obstructing member in the air passageway by engaging the obstructing member and the air passageway wall. The anchoring device may frictionally engage the obstructing member and the air passageway, or engage both by piercing. The engagement provided by the anchoring device may be releasable for removal of the obstructing member. The anchoring device may be balloon expandable from a first shape to a second shape that engages the obstructing member and the air passageway. The obstructing member may be a one-way valve.

Claims

1. A method of treating a lung, the method including the steps of:

providing an intra-bronchial device comprising an obstructing member which is so dimensioned when deployed in an air passageway communicating with a portion of the lung to preclude air from being inhaled, and a barbed anchoring device that anchors the obstructing member in the air passageway by engaging the obstructing member and the wall of the air passageway when the anchoring device is deployed;

placing the obstructing member in the air passageway;

separately placing the anchoring device in the air passageway; and

deploying the anchoring device such that the anchoring device engages the air passageway and the obstructing member.

2. The method of claim 1, wherein the anchoring device is releasable for removal of the intra-bronchial device.

3. The method of claim 1, wherein the obstructing member forms a one-way valve.

4. The method of claim 1, wherein at least a portion of the anchoring device is collapsible.

6. The method of claim 1, further comprising spacing the entire anchoring device from the obstructing member and then moving the anchoring device along the air passageway and into contact with the obstructing member by deploying the anchoring device.

11. The method of claim 1, wherein the obstructing member precludes air from being inhaled to collapse the portion of the lung.

5. A method of treating a portion of a lung, the method including the steps of:

providing an intra-bronchial device comprising an obstructing member which is so dimensioned when deployed in an air passageway communicating with the portion of the lung to preclude air from being inhaled, and a barbed anchoring device that anchors the obstructing member in the air passageway by engaging the obstructing member and the wall of the air passageway when the anchoring device is deployed;

placing the obstructing member in the air passageway;

separately placing the anchoring device in the air passageway;

deploying the anchoring device such that the anchoring device engages the air passageway and the obstructing member,

removing the anchoring device; and

removing the obstructing member.

7. The method of claim 5, further comprising passing a plurality of ends of the anchoring device through the obstructing member so that the ends protrude from the obstructing member while the obstructing member and anchoring device are disposed within the air passageway.

8. The method of claim 5, further comprising spacing the anchoring device from the obstructing member and then reducing the distance between the anchoring device and the obstructing member until the anchoring device engages the obstructing member.

12. The method of claim 5, wherein the obstructing member precludes air from being inhaled to collapse the portion of the lung.

9. A method of treating a lung, the method comprising:

providing an intra-bronchial device comprising an obstructing member which is so dimensioned when deployed in an air passageway communicating with a portion of the lung to substantially preclude air from being inhaled, and an anchoring device that anchors the obstructing member in the air passageway by engaging the obstructing member and the wall of the air passageway when the anchoring device is deployed;

placing the obstructing member in the air passageway;

placing the anchoring device in the air passageway, the entire anchoring device being spaced from the obstructing member; and

moving the anchoring device along the air passageway and into engagement with the obstructing member, and then deploying the anchoring device.

10. The method of claim 9, wherein the intra-bronchial device substantially precludes air from being inhaled into the lung so as to reduce the size of the lung.

13. A method of treating a lung, the method comprising:

providing an intra-bronchial device comprising an obstructing member which is so dimensioned when deployed in an air passageway communicating with a portion of the lung to substantially preclude air from being inhaled, and a barbed anchoring device that anchors the obstructing member in the air passageway;

placing the obstructing member in the air passageway;

separately placing the anchoring device in the air passageway, the entire anchoring device being spaced from the obstructing member; and

deploying the anchoring device such that the barbs pierce and pass through the obstructing member when the anchoring device and obstructing member are within the air passageway.

14. The method of claim 13, wherein after the anchoring device is deployed, the barbs extend radially outward from the obstructing member a sufficient distance to secure the intra-bronchial device to the air passageway.