How Curved Anchors Secure Heart Valve Repair Devices

This patent describes a prosthetic assembly for heart valve repair that uses a central spacer and two curved anchors designed to secure the device within the heart's ventricle.

What it covers

This patent describes a prosthetic spacer assembly for heart valve repair and replacement, based on the abstract. The assembly includes a main 'spacer' component. Connected to this spacer are two distinct anchors: a 'first anchor' and a 'second anchor'. A key feature is that both the first and second anchors are designed to curve around the spacer when viewed from an 'upstream end'. This design suggests a specific way to position and secure the device within the heart, potentially for stability during valve repair. For example, a surgeon might use this assembly to help repair a leaky mitral valve by positioning the spacer and using the curved anchors to grip the surrounding ventricular tissue.

What it doesn't cover

• —Does not cover prosthetic assemblies where the anchors are not directly connected to a central spacer.
• —Does not cover anchor designs that are straight or do not curve around the spacer when viewed from an upstream end.
• —Does not cover valve repair or replacement devices that utilize only a single anchor instead of two distinct anchors.
• —Does not cover anchoring systems intended for non-ventricular regions of the heart.

The clever bit

The novelty appears to lie in the specific configuration where two separate anchors are connected to a spacer and both curve around it. This 'curving around' design, particularly when viewed from an 'upstream end', likely provides a unique way to grip or conform to the heart's anatomy, potentially offering enhanced stability or easier deployment.

Why it matters

Heart valve disease affects millions globally, often requiring surgical repair or replacement. Devices like the one described aim to provide less invasive or more effective treatment options. Improving how these prosthetic devices are anchored within the heart is critical for their long-term success and patient safety, helping to ensure the repaired or replaced valve functions correctly.

Real-world examples

• 1.Transcatheter mitral valve repair systems
• 2.Heart valve replacement devices
• 3.Ventricular anchoring systems for cardiac prosthetics