Devices and methods for treating vascular malformations

• US 8,597,320 B2
• Filed: 05/24/2011
• Issued: 12/03/2013
• Est. Priority Date: 06/02/1999
• Status: Expired due to Term

• Current Assignee: Stryker Corporation
• Original Assignee: Concentric Medical, Inc. (Stryker Corporation)
• Inventors: Sepetka, Ivan, Dieck, Martin S., Pierce, Ryan, Aboytes, Maria, Gia, Son
• Primary Examiner(s): TYSON, MELANIE RUANO
• Application Number:
  US13/114,635
• Publication Number:
  US 20110224776A1
• Time in Patent Office: 924 Days
• Field of Search: None
• US Class Current: 606/200
• 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 17/12113 within an aneurysm
• CPC Class Codes: A61B 17/12118 for positioning in conjunction with a stent
• CPC Class Codes: A61B 17/12136 Balloons
• CPC Class Codes: A61B 17/12145 having a pre-set deployed three-dimensional shape methods of manufacturing A61B2017/00526
• CPC Class Codes: A61B 17/12168 having a mesh structure A61B17/1214 takes precedence
• CPC Class Codes: A61B 17/12172 having a pre-set deployed three-dimensional shape methods of manufacturing A61B2017/00526
• CPC Class Codes: A61B 17/12177 comprising additional materials, e.g. thrombogenic, having filaments, having fibers or being coated
• CPC Class Codes: A61B 17/12186 liquid materials adapted to be injected
• CPC Class Codes: A61B 17/1219 expandable in contact with liquids
• CPC Class Codes: A61B 18/1492 having a flexible, catheter-like structure, e.g. for heart ablation A61B18/1477 takes precedence
• CPC Class Codes: A61B 2017/00004 (bio)absorbable, (bio)resorbable, resorptive for implantable prostheses A61F2210/0004
• CPC Class Codes: A61B 2017/00867 shape memory effect for prostheses A61F2210/0014
• CPC Class Codes: A61B 2017/1205 Introduction devices
• CPC Class Codes: A61B 2017/12063 electrolytically detachable
• CPC Class Codes: A61B 2017/12068 detachable by heat
• CPC Class Codes: A61B 2017/12081 detachable by inflation
• CPC Class Codes: A61B 2017/12095 Threaded connection
• CPC Class Codes: A61B 2018/00214 Expandable means emitting energy, e.g. by elements carried thereon
• CPC Class Codes: A61B 2018/00416 Treatment of aneurisms
• CPC Class Codes: A61B 2018/1495 : Electrodes being detachable from a support structure
• CPC Class Codes: A61L 2300/418 : Agents promoting blood coagulation, blood-clotting agents, embolising agents
• CPC Class Codes: A61L 24/0015 : Medicaments; Biocides
• CPC Class Codes: A61L 24/0031 : Hydrogels or hydrocolloids
• CPC Class Codes: A61L 24/04 : containing macromolecular materials
• CPC Class Codes: A61L 24/104 : Gelatin
• CPC Class Codes: A61L 2430/36 : for embolization or occlusion, e.g. vaso-occlusive compositions or devices artificial blood vessels A61L27/507
• CPC Class Codes: A61L 31/04 : Macromolecular materials
• CPC Class Codes: A61L 31/10 : Macromolecular materials
• CPC Class Codes: A61L 31/145 : Hydrogels or hydrocolloids
• CPC Class Codes: A61L 31/16 : Biologically active materials, e.g. therapeutic substances A61L31/047 takes precedence
• CPC Class Codes: A61M 2025/1084 : having features for increasing the shape stability, the reproducibility or for limiting expansion, e.g. containments, wrapped around fibres, yarns or strands
• CPC Class Codes: A61M 2205/36 : related to heating or cooling
• CPC Class Codes: A61M 25/0068 : Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
• CPC Class Codes: A61M 25/007 : Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
• CPC Class Codes: A61M 25/0074 : Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
• CPC Class Codes: A61M 25/0082 : Catheter tip comprising a tool
• CPC Class Codes: A61M 25/1002 : characterised by balloon shape A61M25/1006, A61M25/1009 take precedence
• CPC Class Codes: A61M 29/00 : Dilators with or without means for introducing media, e.g. remedies instruments for performing visual medical inspections of cavities or tubes of the body A61B1/00
• CPC Class Codes: A61M 29/02 : Dilators made of swellable material balloon catheters for angioplasty A61M25/104

Abstract

A method of filling an aneurysm is described which includes the step of advancing a device through a patient'"'"'s vascular system to an aneurysm and positioning the device within the aneurysm. The device has a closed mesh structure forming by a plurality of flexible filaments. The device also has a proximal collar and a distal collar with the flexible filaments extending therebetween. The closed mesh structure is movable from a collapsed configuration to an expanded configuration.

Claims

1. A method of filling an aneurysm, comprising the steps of:

advancing a device through a patient'"'"'s vascular system to an aneurysm, the device being a closed mesh structure formed of a plurality of flexible filaments, the device having a proximal collar and a distal collar with the flexible filaments extending therebetween, the closed mesh structure being movable from a collapsed configuration to an expanded configuration, the closed mesh structure forming a tubular structure in the collapsed configuration, the closed mesh structure further having a first expandable section and a second expandable section, the first expandable section being coupled to the proximal collar and the second expandable section being coupled to the distal collar, the first expandable section being less permeable to fluid than the second expandable section; and

positioning the device in the expanded position within the aneurysm, the proximal collar being positioned adjacent a neck of the aneurysm and the distal collar being positioned adjacent a dome of the aneurysm, the positioning step also being carried out with the first expandable section being positioned adjacent the neck of the aneurysm and the second expandable section being positioned adjacent the dome of the aneurysm.

2. The method of claim 1, wherein:

the positioning step is carried out with the device not extending into a parental vessel of the aneurysm.

3. The method of claim 1, wherein:

the advancing step is carried out with the proximal collar being coupled to a wire, the wire being detachable from the proximal collar.