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Prosthetic Heart Valve - EP3777772
The patent EP3777772 was granted to Edwards Lifesciences on Feb 26, 2025. The application was originally filed on Dec 5, 2014 under application number EP20192438A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
EP3777772
- Application Number
- EP20192438A
- Filing Date
- Dec 5, 2014
- Status
- Granted And Under Opposition
- Jan 24, 2025
- Publication Date
- Feb 26, 2025
- External Links
- Slate, Register, Google Patents
Patent Summary
Prosthetic heart valve with a sealing skirt that protrudes through cells of the frame to prevent blood leakage, and a delivery apparatus that deploys the valve using a controlled longitudinal motion without applying push-pull forces to the shaft. The valve features a collapsible frame, a valve member, and a skirt assembly with an upper skirt, lower skirt, and sealing skirt that are secured together by sutures. The sealing skirt is made of loop yarn and protrudes through the frame cells to prevent blood leakage. The delivery apparatus features a power source that reciprocates the shaft or sheath to deploy the valve in a controlled manner.
Patent Family
Patent Oppositions (2)
Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
Patent Citations (29) New
Patent citations refer to prior patents cited during different phases such as opposition or international search.
Dossier Documents
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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