Heart Valves TRIZ Cases

Pivotable clamp arms on a control rod anchor a stented valve to irregular mitral or tricuspid geometry, resolving fixation security risks.

Nitinol atrial cage anchors valves at the AV junction, eliminating long-term foreign body presence through controlled resorption.

Glutaraldehyde cross-linked extracellular matrix tissue resists calcification and enables host regeneration without anticoagulation therapy.

Automated die-cut system maps pericardial tissue thickness to cut uniform heart valve leaflets, eliminating manual measurement errors.

A resilient spring collar supports a sewing ring above the annulus, allowing compression to improve anatomical fit and reduce hemodynamic mismatch.

A recoverable self-expanding valve uses a segmented tubular frame to anchor securely in the aorta.

A fixation device stabilizes a blood pump conduit within the aortic valve orifice using a radial support ring.

Axial fixation members sandwich the native valve complex, reducing embolism risk and leakage without high radial expansion.

Frame projections and restraining members secure leaflets via mechanical interlocking, preventing decoupling in aqueous environments.

Severing existing valve leaflets prevents coronary artery obstruction during repeat transcatheter aortic valve replacement procedures.

An integral heart valve clamp merges fixed and clamping arms to prevent disconnection during transcatheter repair.

Cross-linked bioprosthetic tissue in a sealed conduit eliminates preservative solutions, reducing leakage risks and simplifying assembly.

Segmented strut networks allow the shunt to compress for catheter delivery while maintaining structural integrity and minimizing material deformation risks.

A heart valve testing apparatus uses non-sinusoidal fluid impeller motion to drive precise pressure profiles during accelerated wear cycles.

An integrated packaging sleeve merges clip and tubular functions to stabilize valves while simplifying removal and handle attachment.

Coated bioprosthetic valves activate nitric oxide to block stem cell attachment, preventing calcification and extending durability.

A computing device creates a 3-D heart model to calculate neo-LVOT cross-sectional areas for prosthetic mitral valve sizing.

Movable paddles and wire-loop grippers attach to mitral leaflets, preventing regurgitation in central jet cases with minimal overlap.

A transvalvular intraannular band enhances mitral valve leaflet coaptation via self-expanding anchoring.

A transfemoral spacer implant couples an anchor assembly with a fluid inflatable balloon to seal the mitral valve.

Cross-linked decellularized pericardial tissue expands in thickness to seal paravalvular leaks while maintaining mechanical stability.

Expandable holders maintain valve repair device positions to simplify complex mitral valve suturing procedures.

A brim recapture funnel captures protruding valve edges using a tightening suture to enable controlled catheter withdrawal.

Laser markings on prosthetic heart valve skirts reduce material thickness to ease suturing while maintaining structural integrity.

A transcatheter valve prosthesis uses a filtered sealing skirt to form a continuous seal around the stent frame.

Deformable sections in annular bands enable uniform expansion, preventing asymmetric tearing and migration during valve-in-valve procedures.

Pre-formed leaflet geometry achieves closure without material elongation, reducing mechanical stress and improving prosthetic valve durability.

Merging inner and outer cuffs into one component reduces paravalvular leakage while minimizing device bulk.

Fluorocarbon block copolymers resolve manufacturing constraints by enabling broader monomer selection while maintaining coating integrity and biocompatibility.

Segmenting the anchor and occluder allows independent repositioning, resolving adaptability versus reliability contradictions in variable anatomy.

A prosthetic heart valve uses a compressible stent and polymeric leaflets moulded directly onto the structure for minimally invasive delivery.

Adjustable arms and draw lines enable precise repositioning of self-expanding heart valves, reducing coronary obstruction risk during implantation.

Varying microfilament elasticity in a braided coil reduces catheter recoil during withdrawal, ensuring precise cardiac valve positioning.

Self-expanding shape memory alloy frames anchor the mitral valve prosthesis, resolving trade-offs between anchoring security and repositionability.

Segmented upper cells with dedicated commissure windows prevent leaflet blockage of coronary ostia, enabling reliable blood flow and device re-access.

Segmenting the supporting structure into an annular stent and a downstream ring resolves durability versus impingement trade-offs.

Telescopic tubes deploy a radial filter to capture emboli in the aortic arch while maintaining blood flow.

A bioactive composite spinal implant blends polyetheretherketone with combeite glass particles to achieve structural integrity and biological functionality.

Contractile engineered heart tissue within a flexible pouch resists cardiac dilation while avoiding pericardial constriction.

Expandable filter captures embolic material, reducing ischemia risk from plaque separation.

A system groups prosthetic valve leaflets based on measured flexibility values to ensure optimal coaptation.

A prosthetic valve baffle structure directs blood flow to promote laminar movement within the outflow track.

Segmented cam mechanisms decouple flex magnitude from direction, resolving the trade-off between ease of operation and device complexity.

An expandable body closes the regurgitant orifice in cardiac valves to prevent backward blood flow.

Percutaneous coronary sinus implant remodels the mitral valve annulus via remote adjustment, reducing regurgitation severity and left ventricular cavity size.

Nested outer and inner stents conform to irregular annulus contours while preventing aortic outflow tract collapse.

Profiled recesses guide leaflet terminal portions to minimize platelet aggregation zones and reduce wear on the internal peripheral wall.

Plication windows and tissue anchors on a transcatheter heart valve prevent paravalvular leakage and migration by securing the device to the cardiac annulus.

Rotatable arms grip prolapsed mitral valve leaflets, maintaining coaptation while avoiding blood flow disturbance from permanent clips.