Method for left atrial appendage occlusion

• US 8,535,343 B2
• Filed: 05/17/2011
• Issued: 09/17/2013
• Est. Priority Date: 11/06/1998
• Status: Expired due to Fees

• Current Assignee: Atritech Inc. (Boston Scientific Corporation)
• Original Assignee: Atritech Inc. (Boston Scientific Corporation)
• Inventors: van der Burg, Erik J., De Cicco, Dino, Frazier, Andrew G. C., Khairkahan, Alex K., Kriedler, Marc S., Lesh, Michael D., Roue, Chad C.
• Primary Examiner(s): NGUYEN, TUAN VAN
• Application Number:
  US13/109,898
• Publication Number:
  US 20110218566A1
• Time in Patent Office: 854 Days
• Field of Search: 606/191, 606/192, 606/194, 606/213, 606/215, 606/200, 623/1.3, 623/1.2, 623/1.24, 623/1.16, 623/1.13, 623/1.31, 623 149- 154, 623/1.11
• US Class Current: 606/194
• 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 17/12031 complete occlusion
• 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 2017/00632 Occluding a cavity, i.e. closing a blind opening
• CPC Class Codes: A61B 2017/00867 shape memory effect for prostheses A61F2210/0014
• 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 2230/0069 : cylindrical
• CPC Class Codes: A61F 2230/0071 : spherical
• CPC Class Codes: A61F 2230/008 : paraboloidal
• 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 occlusion device for use in a body lumen such as the left atrial appendage. The occlusion device includes a pumpable injectable material and a retention member having a tissue penetrating shaft which extends from a proximal end of the device to a distal end of the device.

Claims

1. An implantable occlusion device for permanent implantation within the left atrial appendage, comprising:

a pumpable injectable material which conforms to the left atrial appendage;

wherein the occlusion device further comprises a retention element;

wherein the retention element is a tissue penetrating shaft;

wherein the tissue penetrating shaft has a helical distal end;

wherein the tissue penetrating shaft extends from a proximal end of the device to a distal end of the device.

2. The implantable occlusion device of claim 1 wherein the retention element comprises a radially extending barrier at the proximal end of the device.

3. The implantable occlusion device of claim 2 wherein the barrier is coupled to the tissue penetrating shaft with a rotational coupling that allows rotation of the shaft with respect to the barrier.

4. The implantable occlusion device of claim 2 wherein the barrier is secured to a resilient outer rim.

5. The implantable occlusion device of claim 4 wherein the barrier protrudes proximally from the outer rim.

6. The implantable occlusion device of claim 1 wherein the retention element comprises a plurality of members extending radially from the proximal end of the device.

7. The implantable occlusion device of claim 1 wherein the retention element comprises an occlusive coil.

8. The implantable occlusion device of claim 7 wherein the occlusive coil is deployed in a randomly oriented configuration.