Detachable atrial appendage occlusion balloon

• US 20040044361A1
• Filed: 04/28/2003
• Published: 03/04/2004
• Est. Priority Date: 11/06/1998
• Status: Active Grant

• Current Assignee: Boston Scientific Scimed (Boston Scientific Corporation)
• Original Assignee: Atritech Inc. (Boston Scientific Corporation)
• Inventors: Burg, Erik J. van der, Khairkhahan, Alexander K., Roue, Chad C., Frazier, Andrew G.C., Klenk, Alan R.
• Granted Patent: US 7,713,282 B2
• Time in Patent Office: Days
• US Class Current: 606/200
• CPC Class Codes: A61B 17/0057 Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect sutures A61B17/04; closing rectum or urethra near body surface A61F2/0009
• 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 17/12122 within the heart for closing a cardiac septal defect A61B17/0057
• CPC Class Codes: A61B 17/12136 Balloons
• CPC Class Codes: A61B 17/12172 having a pre-set deployed three-dimensional shape methods of manufacturing A61B2017/00526
• CPC Class Codes: A61B 17/12186 liquid materials adapted to be injected
• CPC Class Codes: A61B 17/12195 comprising a curable material
• CPC Class Codes: A61B 17/122 Clamps or clips , e.g. for the umbilical cord for the vas deferens A61F6/206
• CPC Class Codes: A61B 2017/00243 cardiac
• CPC Class Codes: A61B 2017/00557 inflatable A61B2017/22051 takes precedence
• CPC Class Codes: A61B 2017/00575 for closure at remote site, e.g. closing atrial septum defects
• CPC Class Codes: A61B 2017/00579 Barbed implements
• CPC Class Codes: A61B 2017/00592 Elastic or resilient implements
• CPC Class Codes: A61B 2017/00597 Implements comprising a membrane
• CPC Class Codes: A61B 2017/00601 Implements entirely comprised between the two sides of the opening
• CPC Class Codes: A61B 2017/00615 Implements with an occluder on one side of the opening and holding means therefor on the other
• CPC Class Codes: A61B 2017/00619 Locking means for locking the implement in expanded state
• CPC Class Codes: A61B 2017/081 Tissue approximator A61B2017/1103, A61B17/8866 take precedence
• CPC Class Codes: A61B 2017/1205 Introduction devices
• CPC Class Codes: A61F 2/01 Filters implantable into blood vessels
• CPC Class Codes: A61F 2002/018 : made from tubes or sheets of material, e.g. by etching or laser-cutting
• CPC Class Codes: A61F 2230/0006 : circular
• CPC Class Codes: A61F 2230/0071 : spherical
• CPC Class Codes: A61F 2230/0076 : ellipsoidal or ovoid
• CPC Class Codes: A61M 2025/1054 : having detachable or disposable balloons
• CPC Class Codes: A61M 2210/125 : Heart
• CPC Class Codes: A61M 25/10 : Balloon catheters A61M25/0125 takes precedence; embolectomy A61B17/22032; retractors A61B17/02; inflatable balloons for placing stents or stent-grafts A61F2/958 ; stomach balloons for treatment of obesity A61F5/0003; oesophagal tubes A61J15/00

Abstract

Disclosed is an adjustable occlusion device for use in a body lumen such as the left atrial appendage. The occlusion device is removably carried by a deployment catheter. The device may be enlarged or reduced to facilitate optimal placement or removal. Methods are also disclosed.

Claims

1. An adjustable occlusion device deployment system, for implanting an occlusion device within a tubular structure in the body comprising:

an occlusion device, movable between a reduced cross section and an enlarged cross section;

an inflation catheter, releasably attached to the occlusion device; and

an anchoring system for said occlusion device.

2. The system of claim 1, wherein said anchoring system comprises an anchoring ribbon.

3. The system of claim 1, wherein said anchoring system comprises a plurality of anchoring hooks.

4. The system of claim 1, wherein said occlusion device comprises:

an occluding member, enlargeable from a reduced cross section to an enlarged cross section;

an anchoring member, enlargeable from a reduced cross section to an enlarged cross section.

5. The system of claim 1, further comprising a two-way valve.

6. An occlusion device for occluding a tubular body structure, comprising:

an occluding member, enlargeable from a reduced cross section to an enlarged cross section;

an anchoring member, enlargeable from a reduced cross section to an enlarged cross section.

7. The occlusion device of claim 6, further comprising at least one tissue attachment element on the occluding member.

8. The occlusion device of claim 7, wherein the tissue attachment element comprises a tissue piercing element.

9. An occlusion device implantation system, comprising:

an inflation catheter, having an elongate flexible body with a proximal end and a distal end;

a radially expandable implant releasably connected to the distal end of the body.

10. A method of implanting a device in the left atrial appendage, comprising the steps of:

providing an inflation catheter, having an elongate flexible body with a proximal end and a distal end, and a device removably carried by the distal end;

positioning at least a portion of the device in the left atrial appendage;

enlarging the device under positive force or pressure; and

anchoring the device in the left atrial appendage.

11. A method of implanting a device in the left atrial appendage, comprising the steps of:

providing an inflation catheter, having an elongate flexible body with a proximal end, a distal end, an inflatable balloon, and a device removably carried by the distal end;

positioning at least a portion of the device in the left atrial appendage;

enlarging the device by inflating the balloon under positive force or pressure; and

deflating the balloon, such that the implantable device is anchored in the left atrial appendage; and

removing the inflation catheter.