Heart Valves TRIZ Cases

An under-constrained membrane maintains physiological curvature during contraction, preventing aberrant shape induction and promoting ventricular recovery.

Selective occlusion devices fill gaps between native mitral leaflets to remediate regurgitation.

Segmented anchoring legs deploy to seal gaps between the prosthetic heart valve and calcified tissue, preventing perivalvular leakage.

Fiber Bragg grating sensors replace bulky transducers to measure chordae tendineae forces in situ without interfering with heart valve function.

Thermal bonding of encapsulating layers secures fabric skirts to prosthetic heart valve frames, reducing assembly labor and preventing paravalvular leakage.

Catheter-deployed valve prosthesis uses radial beam expansion to eliminate suturing, reducing surgery time and preventing perivalvular leaks.

Radiopaque markers on the deployed catheter ring provide precise alignment references, eliminating excessive toxic dye injection during TAVR procedures.

A self-expanding vascular filter and deflector assembly captures embolic material in the left subclavian artery, reducing stroke risk to less than 1%.

Bio-erodible retention members dissolve to allow gradual prosthetic deformation, minimizing sudden hemodynamic load increases and acute complications.

An adjustable distal loop on a plastic guidetube conforms to the left ventricle, reducing perforation risk from bare metal wires.

Dual guiding members anchor a prosthetic hemi heart valve to prevent dislodgement, while sealing skirts block paravalvular leakage.

Pneumatic attachment eliminates sutures on a biphasic cardiac device, resolving infection risks while delivering adjustable ventricular support.

Dual sizers determine lumen dimensions without obstructing blood flow, reducing prosthetic valve migration risks.

An expandable braided catheter with a temporary valve assesses mitral annulus geometry and LVOT obstruction risk before valve implantation.

Nested frame subcomponents engage via interference fits to resist transverse deformation, maintaining structural integrity during transcatheter deployment.

An overlapping upstream and downstream support section reduces ventricular protrusion for minimally invasive mitral valve replacement.

A transcatheter device secures native mitral valve leaflets to prostheses via grasping arms and anchoring hooks.

A prosthetic valve incorporates a tissue cutting element to reshape native leaflet tissue during transcatheter deployment.

Electrical stimulation overlaps atrial contraction with passive pressure build-up to increase atrial stretch and reduce blood pressure.

A percutaneous dome structure uses shape memory material to expand and engage heart tissue.

Segmented endoventricular stay anchors to damaged heart tissue via a minimally invasive delivery catheter.

Expandable atraumatic member protects heart tissue during prosthetic valve deployment.

Angled strut members and commissure clamps anchor leaflet tabs inside the frame, preventing articulation against rigid structures.

Radiopaque elements embedded in prosthetic heart valve cuffs provide clear visual markers for surgeons during implantation.

Radial expansion of the torsion spring secures the prosthetic valve, preventing migration during minimally invasive cardiac procedures.

Segmented post and buckle members enable reliable deployment of replacement heart valves while reducing device complexity and invasiveness.

A prosthetic heart valve holder pre-constricts commissure posts to prevent suture looping during implantation.

Integrated pressure and size sensors measure the expanded aortic valve annulus to resolve sizing inaccuracies from unexpanded measurements.

Dual frame prosthetic valve with fabric retention enables minimally invasive transcatheter delivery while maintaining reliable positioning accuracy.

Inclined fixation lines on a single leaflet stent-valve reduce paravalvular leakage and improve anchoring reliability.

Adjustable valve supports with shape memory alloys accommodate patient-specific defects and reduce regurgitation without repeated invasive surgeries.

A prosthetic heart valve gasket collar with a resilient annular member and sewing cuff secures the valve assembly.

Cutting a stent from a flat plate before forming it into a three-dimensional shape eliminates the complexity of tubular cutting.

Pre-stretching implantable biocompatible materials reduces elongation and creep, ensuring proper leaflet coaptation in prosthetic valves.

Inverting the electrospun preform reduces diastolic strain and stress while maintaining uniform fiber alignment.

Segmented stent design uses a concave inflow section and conical profile to prevent displacement and bundle branch block during heart valve replacement.

Acoustic sensors detect heart sounds to generate metrics for prosthetic heart valve function, enabling timely detection of dysfunction.

Interconnecting tissue covers dual guiding structures on the frame to resolve sealing reliability issues while maintaining MRI compatibility.

A prosthetic valve with a truncated leaflet base and composite material.

Flexible cap and segmented sails conform to varying appendage shapes, resolving the trade-off between reliable occlusion and anatomical adaptability.

Separate substance carrier delivers agents to epicardium without blood contact, reducing stroke and bleeding risks.

Coupling mechanism secures anchoring tether to prosthetic heart valve frame, maintaining position under high tensile forces during transcatheter deployment.

A locking clip couples inner and support shafts to secure a heart valve, reducing patient trauma during percutaneous delivery.

A catheter delivery device uses a moving assembly to provide a compressible stroke for the outer sheath.

A prosthetic valve assembly uses nested components to reduce delivery catheter size while maintaining structural integrity.

Laser cutting a single-piece tissue pattern and molding leaflet bellies eliminates manual hand-sewing, reducing prosthetic heart valve manufacturing time.

A self-expanding frame delivers substances to the epicardial surface, avoiding bloodstream integration and reducing stroke risks.