Medical Device Fixation Anchor Suited for Balloon Expandable Stents

• US 20100324665A1
• Filed: 06/17/2010
• Published: 12/23/2010
• Est. Priority Date: 06/17/2009
• Status: Active Grant

• Current Assignee: W. L. Gore & Associates (W.L. Gore & Associates)
• Original Assignee: W. L. Gore & Associates (W.L. Gore & Associates)
• Inventors: Daugherty, John R., Shaw, Edward E.
• Granted Patent: US 9,814,609 B2
• Time in Patent Office: Days
• US Class Current: 623/1.36
• CPC Class Codes: A61F 2/91 made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
• CPC Class Codes: A61F 2/958 Inflatable balloons for placing stents or stent-grafts
• CPC Class Codes: A61F 2002/8483 Barbs
• CPC Class Codes: A61F 2220/0016 with sharp anchoring protrusions, e.g. barbs, pins, spikes
• CPC Class Codes: A61F 2220/005 using adhesives
• CPC Class Codes: A61F 2220/0058 soldered or brazed or welded

Abstract

A balloon expandable anchor for a medical device. The anchor barb is contained within the device compacted delivery profile and is balloon expanded to rest outside of the expanded device profile.

Claims

1. An anchor comprising a device attachment portion, a barb portion, and an expansion bearing portion.

3. The device of claim 1 wherein the expansion bearing portion is positioned between the device attachment portion and the barb portion.

5. The medical fixation device of claim 1 wherein the barb portion is metal.

6. The medical fixation device of claim 1 wherein the expansion bearing portion is linear.

7. The medical fixation device of claim 1 wherein the expansion bearing portion is non-linear.

2. A medical fixation device, comprising:

a balloon expandable anchor having a device attachment portion, an expansion bearing portion and a barb portion;

the anchor expansion bearing portion being positioned between the anchor device attachment portion and the anchor barb portion;

the device attachment portion being coupled to an expandable medical device having a first compacted profile and a second expanded profile;

the anchor barb portion positioned within the first compacted profile; and

the anchor being deformed to extend the anchor barb portion outside the second expanded profile.

4. An anchorable medical device, comprising:

a. a medical device

b. a barb and

c. an expansion bearing portion positioned between the device and the barb.