TEMPORARY SUB-VALVULAR CHECK VALVE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Feb 9, 2012
app pub date -
Aug 9, 2011
filing date -
Aug 9, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

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Abstract
A temporary subvalvular check valve has a collar and an expandable seal structure connected by pivotable struts that together support flexible leaflets. The check valve can be introduced along a tool shaft and positioned in a chamber or vasculature by expanding the seal structure against an adjacent wall. Cardiac function is augmented during valve procedures, such as valve excision, valve implantation, or valve leaflet replacement, by placing the temporary check valve just upstream of the valve being treated. The temporary check valve is collapsible so that it can be inserted through a small incision or port in the apex of the heart or through the aorta, into the ventricular cavity. Such a system thus does not require arrest or pacing of the heart and will allow such valve repair or replacement procedures to be done without concern for time or compromise to the patients' physiology.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
CRYOLIFE INC | 2211 NEW MARKET PARKWAY SUITE 142 MARIETTA GA 30067 |
International Classification(s)

- 2011 Application Filing Year
- A61F Class
- 3823 Applications Filed
- 3166 Patents Issued To-Date
- 82.82 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Vesely, Ivan | Larkspur, US | 39 | 8787 |
# of filed Patents : 39 Total Citations : 8787 |
Cited Art Landscape
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Patent Citation Ranking
- 6 Citation Count
- A61F Class
- 2.43 % this patent is cited more than
- 13 Age
Forward Cite Landscape
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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 |
---|---|---|---|
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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