Post-storage crimping keeps the anchoring skirt compact during delivery, then balloon expansion secures the valve in the aortic annulus.
A counting rack in a remote catheter adapter blocks reuse after its set lifespan, reducing failure risk and staff radiation exposure.
A flexible implantable adapter anchors and seals a replacement heart valve, enabling controlled expansion, retrieval, and reduced tissue trauma.
A W-like free-edge profile with peak and valleys improves leaflet coaptation, reduces regurgitation leakage, and supports durable valve assembly.
Suction ports pull prosthetic valve leaflets inward during crimping to prevent protrusion and damage while preserving a low delivery profile.
A staged percutaneous mitral valve anchor engages the annular gutter to reduce MR while preserving LV geometry and limiting stenosis risk.
Radiopaque capsule markers reveal rotational orientation under cusp overlap imaging, helping align transcatheter valves and avoid coronary ostia blockage.
Expandable anchor feet with controlled angles spread load on the fibrous annulus to secure prosthetic valves without puncturing heart tissue.
A telescoping leaflet and outer frame with a coupled film reduces mounting-edge stress and delamination in synthetic prosthetic valves.
A heat-shrinkable 3D honeycomb textile helps prosthetic heart valves anchor securely, improve placement control, and limit paravalvular leakage.
A sputtered thin-film coating on heart valve leaflets and cuffs reduces α-SMA cell attachment while improving prosthetic valve durability.
An embedded insert enables one-time molding of polymeric valve frames and leaflets, boosting radial support while reducing bonding and fracture issues.
Multiple anchors, an expanding frame, and a sealing body conform to oval or recessed annuli to reduce paravalvular leakage and improve fixation.
A nested frame, stent, and sealing skirt enable percutaneous tricuspid valve replacement with stable anchoring and reduced periprosthetic leaks.
Curved prongs anchor a collapsible prosthetic heart valve to native chordae, enabling transcatheter delivery while preventing regurgitation.
A double-walled self-expanding anchor with a V-shaped groove isolates valve forces, improves sealing, and adapts to irregular annulus shapes.
A coronary sinus position-fixing tube stabilizes tricuspid valve blocking angle and alignment across patient anatomy to lower heart failure risk.
A partially open leaflet rest shape with tapered forming and annealing cuts forward pressure loss, improves symmetric opening, and lowers thrombosis risk.
Folded conical cusps and a sealing cuff help a transcatheter heart valve match native geometry, improving closure and reducing regurgitation.
A fixing claw and wire-locking sleeve control valve release to limit bounce and displacement during heart valve deployment.
An outer stability tube isolates sheath friction from the introducer, enabling smoother retraction and more accurate prosthetic valve placement.
Frangible belt members break at set thresholds to track prosthetic valve diameter and radial force, helping avoid annular rupture during expansion.
A catheter-delivered implant expands a valve-supporting frame and occluders to treat multiple regurgitation mechanisms with less trauma.
Adjustable tines stay retracted during positioning, then open to grip tricuspid leaflets precisely while limiting tissue trauma and entanglement.
A magnesium-polymer heart valve combines biodegradable support and antithrombogenic leaflets to improve durability without anticoagulation.
A helical wire and capture catheter anchor artificial chordae to valve leaflets, enabling less invasive repair with lower surgical risk.
Superelastic inner and outer arms grasp valve leaflets with passive closure, reducing regurgitation through minimally invasive and retrievable implantation.
A helical wire anchor and capture channel enable transcatheter chordae repair that avoids open surgery while maintaining valve competence.
Angled bend-resistant sections give the outer catheter active 3D steerability for smoother vessel passage and more accurate coaxial valve release.
A staged sheath-and-mid-shaft release deploys distal anchors before full valve expansion, improving transfemoral placement while limiting tissue trauma.
A larger distal graft segment folds back into a smooth double layer that improves aortic hemostatic sealing and limits leakage during Ross procedures.
A double-walled anchoring structure with a V-shaped groove stabilizes prosthetic valves, improves sealing, and adapts to irregular annulus geometry.
An external-mounted valve construct limits tissue contact to reduce calcification and inflammation while preserving a larger TAVR orifice area.
A flared outflow frame and inward commissure attachments shrink delivery size while preserving flow space and reducing obstruction risk.
A conformable coaptation element with tissue anchors improves mitral leaflet sealing through catheter delivery while avoiding open-heart surgery.
A coaptation member anchored to right heart anatomy improves tricuspid leaflet closure while reducing regurgitation and surgical invasiveness.
Ring protrusions limit leaflet opening to cut turbulence, hinge wear, and clot risk while preserving fast valve motion at high heart rates.
A nested leaflet and outer frame supports synthetic valve leaflets, reducing buckling, edge stress, and fatigue during delivery and cycling.
Threaded collar-and-shaft control adjusts paddles and retention members for more precise mitral leaflet capture and stable regurgitation repair.
Indexed suture loops enable precise neochord length adjustment and bi-directional leaflet fixation without clip migration during chord repair.
A flat-wire coil shaft balances high tensile, compressive, and torque loads with flexibility, kink resistance, and lower compression deflection.
A catheter-delivered coaptation element and leaflet anchors restore valve closure to reduce regurgitation without open heart surgery.
A windowed laminate skirt secures the prosthetic valve frame while shielding leaflets from abrasion and reducing perivalvular leakage.
Functional side chains bridge PDMS soft and PU hard segments to reduce interfacial stress and improve implantable valve material mechanics.
D-shaped support arms anchor the transcatheter aortic valve at the annulus to prevent migration and improve release position control.
Segmenting axial struts at commissures and angled struts between them preserves valve support while improving flexibility and crimpability.
A dual sub-frame combines mechanical expansion with self-expanding radial support to improve transcatheter valve implantation control.
Conical anchoring crowns and staged stent expansion improve transapical valve placement and stability while avoiding open-chest surgery.
Laser ablation, dermatomes, and cross-linking under compression create thinner, smoother pericardial leaflets with more uniform thickness.
A two-part mitral valve nested in one delivery sheath enables precise anchoring and minimally invasive implantation with shorter recovery.