SEALING DEVICE AND DELIVERY SYSTEM

• US 20120029556A1
• Filed: 06/21/2011
• Published: 02/02/2012
• Est. Priority Date: 06/22/2009
• Status: Abandoned Application

• Current Assignee: W. L. Gore & Associates (W.L. Gore & Associates)
• Original Assignee: W. L. Gore & Associates (W.L. Gore & Associates)
• Inventors: Masters, Steven J.
• Application Number:
  US13/165,673
• Publication Number:
  US 20120029556A1
• Time in Patent Office: Days
• US Class Current: 606/213
• 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 2017/00526 Methods of manufacturing
• CPC Class Codes: A61B 2017/00575 for closure at remote site, e.g. closing atrial septum defects
• CPC Class Codes: A61B 2017/00592 Elastic or resilient implements
• CPC Class Codes: A61B 2017/00597 Implements comprising a membrane
• CPC Class Codes: A61B 2017/00606 Implements H-shaped in cross-section, i.e. with occluders on both sides of the opening
• CPC Class Codes: A61B 2017/00623 Introducing or retrieving devices therefor
• CPC Class Codes: A61B 2017/00867 shape memory effect
• CPC Class Codes: A61B 90/39 Markers, e.g. radio-opaque or breast lesions markers

Abstract

The invention relates to a sealing device for repair of cardiac and vascular defects or tissue opening such as a patent foramen ovale (PFO) or shunt in the heart, the vascular system, etc. and particularly provides an occluder device and trans-catheter occluder delivery system. The sealing device would have improved conformity to heart anatomy and be easily deployed, repositioned, and retrieved at the opening site.

Claims

1. A medical device comprising:

a first eyelet and a second eyelet defining a longitudinal axis;

a plurality of wires starting at the first eyelet and ending at the second eyelet;

each wire forming a closed teardrop shape the teardrop shape defining an internal area;

wherein the teardrop shape of the wires combine to create an inner peripheral edge and each wire combining to create an outer peripheral edge.

2. A medical device comprising:

a deployed configuration and a delivery configuration with an eyelets located at each opposing end of the device, each eyelet having an inner end and an outer end wherein the inner ends are nearer the middle of the device;

a longitudinal axis extending through both eyelets;

at least three wires having opposing ends that are helically wound together to form the eyelets wherein when viewed from on end in a direction parallel to the longitudinal axis, a middle length portion of each wire is bent into a teardrop shape having a pointed end; and

wherein the bent wire progresses away from the pointed end of the teardrop bending at a larger radius than that of the teardrop shape back to converge with the inner end of each eyelet.

3. A medical device comprising:

at least three wires having opposing ends helically wound together to form two eyelets;

the two eyelets located at a proximal and distal end of the device; and

wherein each wire diverges tangentially away from the eyelet with all wires spaced apart in approximately equal radial amounts; and

wherein each wire continues outward and bends gradually in the same direction for about 180°

to form an outer diameter of the device and bends inwardly toward the center line of the device with a smaller radius until it again converges with the outer diameter of the device bending inwardly at he larger radius until it reaches the inner end of the proximal eyelet where the proximal ends of all the wires are helically wound together to form the proximal end of the device.

4. A medical device comprising:

a deployed configuration and a delivery configuration, a proximal end and a distal end;

at least three wires which form two eyelets, one at the proximal end and one at the distal end; and

wherein while in the deployed configuration at least one of the wires assumes a reniform shape.

5. A medical device comprising:

a deployed configuration and a delivery configuration, a proximal end and a distal end;

at least three wires which form two eyelets, one at the proximal end and one at the distal end and a longitudinal axis extending through the eyelets; and

wherein while in the deployed configuration at least one of the wires forms a teardrop shape as viewed from one end along the longitudinal axis of the device.

6. A septal occluder device comprising:

a plurality of wire forms wherein each wire form starts and stops at an eyelet;

each of the wire forms having an internal radial surface and an external radial surface.

7. A defect closure device comprising a shape having a wire frame including opposing ends having a larger diameter and a middle region with a smaller diameter, wherein the middle region substantially fully occupies the defect without appreciably enlarging the defect.