PFO closure devices and related methods of use
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United States of America Patent
Stats
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Jul 12, 2011
Grant Date -
Nov 6, 2003
app pub date -
May 6, 2002
filing date -
May 6, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Devices and methods for sealing a passageway formed by a patent foramen ovale (PFO track) in the heart are provided. One method includes providing an abrading device to the PFO track and abrading the tissue within the PFO track. The abraded tissue forming the PFO track is then held together under pressure, either via lowering right atrial pressure or via applying suction to the septum primum to pull it into apposition against the septum secundum. After a sufficient period of time, the pressure is released and the abraded tissue heals to form a robust seal over the PFO track. Additionally, several devices are provided which can be placed into the PFO track to apply adhesive to the walls of the PFO track. The devices may or may not be left within the PFO track. If the devices are not left within the PFO track, the walls of the PFO track, covered with adhesive, are brought into apposition with one another and adhered together. If the device is left within the PFO track, the device is flattened from an expanded configuration to a flattened configuration, and the walls of the PFO track, adhering to the outer surface of the device, are pulled toward each other as the device flattens. The device may also include interior structure to hold the device in a flattened configuration.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- ST. JUDE MEDICAL, CARDIOLOGY DIVISION, INC.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Blaeser, David J | Champlin, US | 83 | 6052 |
Christianson, Mark R | Darwin, US | 96 | 1997 |
Grudem,, Jr Jerome K | St. Louis Park, US | 26 | 387 |
Hackett, Steven S | Maple Grove, US | 36 | 4843 |
Keith, Peter T | St. Paul, US | 217 | 29939 |
Olson, Scott A | Zimmerman, US | 54 | 3266 |
Phillips, Joel D | Minneapolis, US | 6 | 375 |
Ressemann, Thomas V | St. Cloud, US | 93 | 11851 |
Wahr, Dennis W | Ann Arbor, US | 31 | 3413 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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