Heart Valves TRIZ Cases

A spaced valve holder with separate suture paths improves sewing ring visibility, cuts entanglement, and lowers removal force.

Independently actuated shafts and a locking mechanism improve prosthetic heart valve positioning, anchoring stability, and implantation efficiency.

A funnel-based crimping and loading assembly pre-aligns prosthetic valve connections, speeding compression and transfer into the delivery capsule.

Controlled stretching of polyurethane valve leaflets forms micro-crystallization zones that resist creep, limit regurgitation, and avoid fabric-related calcification.

Off-center posterior mitral valve deployment recruits chords and traps leaflets to improve coaptation, blood flow, and LV function.

Dip-cast polymer leaflets replace creasing tissue in transcatheter valves, reducing stress concentrations and extending valve durability.

Localized protective coverings keep the valve member from rubbing the stent frame, extending transcatheter heart valve life.

Anchor arms, a braided flange, and a self-expanding stent secure a transcatheter tricuspid valve to limit migration and paravalvular leaks.

A radially oriented flat wire coil increases catheter shaft torque, compression strength, and kink resistance while preserving flexibility.

Integrated pressure sensors in a structural heart guidewire enable real-time valve stenosis and regurgitation assessment during procedures.

A segmented conductive mandrel guides electrospun polymer deposition to control leaflet anisotropy, curvature, thickness, and bending rigidity.

Alternating internal and external balloons transfer fluid with the heartbeat to restore vessel compliance and improve cardiac output.

A catheter-delivered coaptation assembly uses moveable paddles and barbed clasps to secure native mitral leaflets and reduce regurgitation.

A releasable delivery sleeve constrains a coated deployment portion to cut lumen insertion force and enable smooth withdrawal after placement.

An hourglass septal stent with a one-way tissue valve relieves left atrial pressure while limiting thrombosis, tissue ingrowth, and pulmonary congestion.

A heat-shrinkable 3D honeycomb textile helps prosthetic valves seal and anchor securely, reducing paravalvular leakage during minimally invasive delivery.

A gimbal-mounted 3D coaptation sail adapts to varied tricuspid anatomies to reduce regurgitation without forcing fragile valve tissue.

A steerable coaptation sail and anchoring stem improve tricuspid leaflet alignment to reduce regurgitation without stressing fragile tissue.

Mechanical leaflet interlocks replace sutures and adhesives in prosthetic valved conduits, improving attachment integrity in aqueous use.

A threaded traction and handle mechanism enables circumferential rotation and fine position adjustment for more accurate heart valve implantation.

A hinged leaflet gripper uses covered frictional elements to maintain valve coaptation while reducing regurgitation and tissue trauma.

Collapsible textile protrusions conform to irregular vascular anatomy to reduce paravalvular leakage without increasing catheter size.

A stud, binding plate, and tensioned harness enable releasable leaflet fixation with precise positioning to prevent valve regurgitation.

Guard rails and frictional arms help grasp valve leaflets securely, maintaining coaptation while limiting tissue damage in minimally invasive repair.

A coiled docking structure creates a circular anchor at mitral or tricuspid sites to improve prosthetic valve retention and reduce leakage.

A catheter pusher with rotatable suture control deploys a circular docking anchor to improve mitral valve alignment, sealing, and tissue protection.

An implantable leaflet enhancer increases native valve leaflet length or thickness to improve closure and reduce mitral or tricuspid regurgitation.

Polymeric leaflets formed by dip casting or electrospinning help transcatheter prosthetic valves resist crimping damage and calcification.

Differentiated leaflet-clamping tines stabilize tricuspid valve anchoring while reducing annulus, leaflet, and conduction tissue damage.

A strut-based locking member holds the prosthetic valve at expanded diameters while allowing controlled repositioning during implantation.

Helical wire anchoring and leaflet capture enable transcatheter chordae repair that avoids open surgery while restoring valve function.

A heat-set serpentine wire fills irregular gaps around heart implants to stop blood leakage while simplifying catheter-based deployment.

A staged anchor-first mitral valve assembly enables percutaneous MR reduction while preserving physiologic inflow and limiting LV wall stress.

Angled distal and independent proximal sheaths enable incremental stent-valve release for stable placement and lower embolization risk.

A collapsible deflector shields commissure posts to prevent suture looping, reduce valve damage, and simplify prosthetic valve implantation.

An outer frame-mounted sealing member improves circumferential and paravalvular sealing while avoiding leaflet contact and inner skirt assembly.

Controlled electric-current perforation modifies valve leaflets during TAVR to lower coronary ostial obstruction risk without mechanical laceration.

A transapical implant uses adjustable distance and rotation to reposition a prosthetic heart valve after deployment and reduce leaks.

A supported delivery system and retractable tines help align a tricuspid clip on moving leaflets while limiting tissue trauma and regurgitation.

A self-expandable nitinol stent uses a segmented mesh and three-arm structure to enable repositioning, preserve coronary access, and reduce conduction damage.

Multiple steerable catheters separate anchor and valve frame delivery to improve placement control in complex heart anatomy.

Integrated blades or electrodes lacerate the anterior mitral leaflet after implantation to relieve LVOT obstruction and improve blood flow.

Expandable helical coils anchor a mitral valve prosthesis, improving retention across annulus sizes while limiting paravalvular leaks.