Heart Valves TRIZ Cases

See how a polyurethane-textile composite sheet achieves biostability, fatigue resistance, and h

See how integrating an embolic filter directly onto a catheter shaft eliminates multiple access

Expandable ports let one porous-mesh embolic filter sheath admit multiple catheter sizes while capturing emboli over the aortic arch.

See how expandable filter ports enable simultaneous multi-catheter access during aortic valve p

See how a slidable embolic filter integrated with the catheter shaft eliminates separate protec

A self-expanding mesh filter built into the catheter or sheath captures emboli while reducing extra access sites and procedural steps.

Submerging an SMA implant in cooled liquid keeps it martensitic during crimping, reducing damage risk and improving tool alignment.

A sun-gear and planet-carrier adapter enables continuous sheath rotation for precise mitral valve positioning while reducing manual complexity.

Multiple arc plates compress the valve evenly through a moving ring, reducing resistance and helping prevent suture fracture during catheter loading.

Surface ridges or depressions guide cell migration on bioprosthetic valve tissue to limit pannus growth without adding delivery bulk.

Pressurized fluid delivered through crimper channels pushes valve leaflets inward during compression to prevent pinching and damage.

Expandable concentric valve frames create annular support and anchoring in dilated ventricles, helping restore leaflet coaptation and limit regurgitation.

Non-uniform, staged crimping reduces prosthetic heart valve diameter while guiding leaflet folding and lowering damage risk during delivery.

Folded flexible-sheet connectors secure leaflet commissures and cover stitching to improve coaptation and limit blood regurgitation.

Pre-compressed elastomeric foam with a fracturing coating and impermeable seal boosts pneumatic deformation and force with simpler fabrication.

Pre-nitrided iron prefabricated tubes improve strength, nitrogen uniformity, and yield for small absorbable implants while reducing deformation.

A sealed blood and drive chamber with external hydraulic actuation enables quiet cardiac output while reducing blood cell damage and thrombosis.

Triangular blades with integrated joints enable passive backflow closing while reducing resistance, turbulence, and noise in gas or liquid flow.

Nested inner and outer valve frames secure native tissue and support leaflet coaptation to prevent regurgitation and reduce ventricular overload.

Surface ridges or depressions guide cell migration on bioprosthetic valve tissue to curb pannus without adding bulk for minimally invasive delivery.

Folded leaflet connectors secure commissures to the valve frame for better coaptation, helping prevent regurgitation after percutaneous implantation.

A linkage-driven clamping assembly adjusts arm rotation and force to grasp tissues of varying thickness with less invasive delivery.

Expandable arms and a central woven net improve mitral regurgitation closure while lowering leaflet stress and preventing clamp drop.

Aligning skirt seams with frame nodes cuts transcatheter valve bulk before deployment while preserving anchoring and reducing seam exposure.

Nested inner and outer valve frames secure and align prosthetic leaflets to reduce regurgitation and improve cardiac output.

Rotational actuation pushes a prosthetic valve through a funnel to compress it radially while aligning connection features for sheath loading.

An integrated storage jar crimps a transcatheter heart valve during removal, reducing handling damage and simplifying pre-implant preparation.

Micropatterned ridges and depressions steer cell migration on bioprosthetic valve tissue to limit pannus overgrowth without adding delivery bulk.

Flexible clip arms and controlled catheter delivery secure mitral leaflets for minimally invasive regurgitation repair with lower procedural risk.

Engaging arms and a flared stent help a collapsible mitral valve anchor securely, limiting migration, tissue damage, and paravalvular leakage.

A transparent pressurized valve viewer enables direct leaflet coaptation assessment during surgery without relying on post-bypass echocardiograms.

Looped overcast and whip stitches secure the outer skirt to valve struts, keeping edges off leaflets and smoothing flow.

3D plane-based imaging evaluates prosthetic mitral valve placement by measuring blood pool cross-sections to predict LVOT obstruction.

Buffer strips, abluminal cuff placement, and alternating cuff materials reduce leaflet edge abrasion and stress in collapsible prosthetic heart valves.

A dual-wireform frame enables 2-3 mm valve-in-valve expansion while preserving secure seating, blood flow, and annular protection.

Electrospinning deposits polymer fibers onto a stent and mandrel, covering inner and outer surfaces without sewing to cut labor and cost.

Distal contact sensors confirm tissue purchase during artificial chordae anchor deployment when imaging is inadequate in transcatheter repair.

Pre-shaped leaflet reconstruction of the aorto-mitral curtain restores fibrous trigons, lowers suture tension, and shortens valve surgery.

An annulus-free aortic valve spacer uses anchoring elements and a diastolic inflatable skirt to limit regurgitation and paravalvular leaks.

Glycerol-treated animal tissue lowers valve moisture so a preloaded bioprosthetic heart valve can be crimped, packaged, and deployed by catheter.

A nested steerable catheter improves alignment through tortuous heart anatomy, enabling precise rigid device delivery with less procedural complexity.

A conformable coaptation element with retrievable anchors improves mitral leaflet sealing through transcatheter delivery without open-heart surgery.

An asymmetric valved atrial shunt redirects left-to-right flow to lower left atrial pressure while reducing occlusion, embolization, and septal footprint.

A flexible pumping pouch and contraction element create heartbeat-synced pulsatile flow while avoiding blood damage from high-speed rotating pumps.

A rotating distal magnet couples and releases an implant without bulky mechanical locks, enabling smaller catheters and lower tissue stress.

A catheter-delivered leaflet extension clamps the native valve leaflet to improve coaptation and reduce regurgitation without open surgery.

A staged anchor-and-valve implant improves tricuspid annulus anchoring while keeping delivery size small and preserving valve function during placement.

A coiled tension member keeps a prosthetic valve compressed for flexible delivery through tortuous vessels and release without long sheath withdrawal.

Radiopaque and deformable indicators show leaflet insertion depth and thickness, helping secure minimally invasive mitral valve repair.

A movable outer skirt flap with variable diameters improves annulus sealing and blocks reverse blood flow in prosthetic heart valves.

A mechanical indicator arm and radiopaque markers show when a prosthetic valve reaches target expansion, improving sizing control during delivery.

Separate anchoring elements suspend an aortic valve spacer off the annulus, while an inflatable skirt seals leaflet malcoaptation during diastole.

A multi-portion expandable frame and conforming skirt secure the mitral valve prosthesis, limit paravalvular leakage, and reduce tissue trauma.

Multiple steering rings and handle-controlled cables improve catheter positioning in vasculature for accurate prosthetic heart valve delivery.

Lateral extensions and multi-arm commissure attachment lock valve leaflets in place while avoiding interference from frame actuators.

Segmented inner and outer stents secure large atrioventricular valves while limiting conduction disturbance and enabling recapture.

A pivoted guide arm and retractable blade enable precise mitral leaflet cutting while limiting damage to neighboring tissues.

A deformable sealing skirt adapts to the valve annulus to cut paravalvular leakage while limiting delivery damage and entry profile.

Dual hydraulic elements constrict and release a luminary organ while cushioning and centering reduce tissue damage during flow restriction.

Catheter-guided plates and a locking clip secure tricuspid valve leaflets to reduce regurgitation without open-heart surgery.

A flexible annular sleeve with outward-buckling ribs seals gaps between a transcatheter valve and native tissue to prevent paravalvular leakage.

A pull-suture detachable outer skirt lets prosthetic heart valves separate from the frame, easing explantation and reducing tissue trauma.

A leaflet-clamping hoop lifts autologous mitral leaflets during stent expansion to avoid LVOT blockage while reducing annular compression.

Artificial cords secure grafts to valve leaflets during beating-heart procedures, extending and reinforcing tissue for less-invasive mitral repair.