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.

U-shaped leaflet transitions spread opening and closing stresses to help reduce tissue tearing and mechanical failure.

Collapsible valve sections and anchoring arms address large catheter profiles while improving migration resistance and paravalvular sealing.

A deformable element conforms to calcified cardiac tissue, helping anchor a catheter-delivered prosthetic valve and limit leakage.

A kidney-shaped stent mirrors the mitral annulus for transvenous implantation while reducing left ventricular outflow tract obstruction.

Stent-valves deploy through a delivery catheter on a beating heart, avoiding open-chest access and heart-lung bypass.

Nested shafts and attachment tethers support controlled, atraumatic deployment and secure placement of replacement heart valves.

A staged thorn structure and valve stent improve anchoring while enabling smaller delivery catheters and valve recovery.

Moveable anchors and tethers adjust around beating heart leaflets, helping form a seal and reduce regurgitation during repair.

Integrated conductors and an inner catheter detach heart valve clips while minimizing damage to surrounding cardiac tissue.

Wedge members secure commissure tabs in the expandable frame, reducing stitch wear, leaflet tearing risk, and assembly complexity.

Flexible paddles attach to native leaflets and move dynamically during the cardiac cycle to prevent regurgitation without restricting blood flow.

Segmented anchoring members conform to complex mitral geometries, reducing backflow and improving percutaneous implantation alignment.

Anchoring legs secure a prosthetic hemi-mitral valve frame without obstructing the left ventricular outflow tract, preserving native leaflet function.

Tapered strut geometry reduces stress concentrations at commissure features, resolving fatigue resistance versus crimpability trade-offs.

A tissue bumper wraps stent struts to shield leaflets from mechanical wear.

A radiation-transmissive container holds transplant objects securely during imaging and sterilization.

Expandable prosthetic leaflet assembly with anchors reduces perivalvular leakage and improves native valve function.

A low-profile prosthetic mitral valve features a radially expandable frame with a flared atrial end that engages the native tissue surface.

A self-expanding prosthetic mitral valve uses radial expansion to anchor securely within the native heart anatomy.