Heart Valves TRIZ Cases

Segmented delivery components deploy a crescent stent and leaflets via minimally invasive access, preventing dislodgement and paravalvular leakage.

Rotatable commissure arms dynamically adjust leaflet tension, preventing coaptation failure during frame overexpansion or under-expansion.

Segmented link members adjust mitral valve geometry without compressing the left circumflex artery, preventing regurgitation.

A valve planning tool uses a non-compliant balloon to measure airway dimensions.

A coronary stent valve obstructs blood flow to generate controlled back pressure, reducing reperfusion injury during intravascular therapy.

Spring-biased clips replace complex suture management to reduce implantation time and improve valve anchoring security.

Segmented rotatable suture flanges correct auricle orientation errors during surgery, eliminating torsion and compression without detaching the connection.

Nano-craters promote endothelialization while degradable layers erode to remove thrombus formation.

Articulated wire loops eliminate guidewires, reducing infection risk and recovery time during minimally invasive implantation.

Actuatable arms grasp aortic leaflets to prevent migration, while cutting elements remove diseased tissue to restore natural blood flow.

Angled side port directs guidewire through native valve leaflets, reducing procedural time and radiation exposure during TAVR.

Tensioning the pull wire bends the capsule, resolving the trade-off between flexibility and axial strength during prosthesis deployment.

Circumferentially aligned electrospun fiber bands reinforce heart valve leaflets for enhanced durability.

A collapsible nosecone adapts shape to navigate tortuous vasculature during prosthetic heart valve implantation.

Reverse-running stitches distribute stress across the suture pattern to reduce paravalvular leakage in prosthetic heart valves.

An articulated prosthesis grips multiple valve leaflets simultaneously, maintaining natural configuration to reduce stenosis risk.

A stentless mitral valve uses bifurcated leaflet portions to mimic natural anatomy and simplify implantation.

Segmented stent structure adjusts radial force along its length to match patient anatomy, preventing prolapse and leakage during retrograde flow.

A dual-filter catheter system captures embolic material in the carotid arteries during cardiac procedures.

Segmented delivery allows secure epicardial anchoring through minimal punctures, reducing trauma while maintaining reliable fixation.

A textile heart valve prosthesis uses interwoven lobule layers to minimize stress concentration.

Diamond-shaped members in the self-expanding wire frame dynamically articulate to conform to the irregular mitral annulus, reducing perivalvular leakage.

Predefined passages in the sealing element accommodate pacemaker leads, resolving paravalvular leakage risks during valve replacement.

Screw anchor placement secures atrial sealing skirt while avoiding cardiac lead damage.

A tubular polymeric seal member integrates a circumferential radiopaque reinforcement strip for precise fluoroscopic imaging during heart valve implantation.

Segmented anchors on an expandable heart valve frame secure the device while minimizing radial force during controlled deployment.

Porous hourglass stent with one-way valve reduces left atrial pressure while preventing thrombus formation and tissue ingrowth.

Flexible paddles distribute attachment forces over larger surface areas, reducing stress on valve tissue while preventing mitral regurgitation.

A valve testing chamber uses baffles to reduce wave reflection and enable high-speed operation at 30 Hz or above.

A filter dilator captures embolic materials before they enter the bloodstream, preventing ischemia and stroke during heart valve procedures.

Uniform cross-section rails with rotated tips eliminate stress concentration points, preventing non-linear deflection under physiological loads.

A mitral annular platform anchors a prosthetic valve via radially bending elements.

A disposable polymer scaffold holds cardiac valve leaflets in precise alignment during pre-assembly and stitching procedures.

A catheter coupling mechanism controls outer sheath rotation relative to a steering catheter.

Segmented wire frame anchors in thin tissue to secure positioning while maintaining a compact delivery profile.

A non-constant diameter dilator expands sheaths and vessels radially, reducing vascular trauma during prosthetic heart valve insertion.

Physical vapor deposition applies a chromium nitride layer to heart valve frames, resolving surface imperfections that reduce fatigue life.

Dual-guiding fixation members secure the prosthesis to the native annulus while a lining skirt prevents paravalvular leakage.

Expandable measuring band detects internal dimensions to replace time-consuming obturator trials.

Segmented docking structures allow explantation of failed bioprosthetic valves, reducing invasive surgery risks and coronary occlusion hazards.

Flexible tubular body with calcification and tears mimics diseased anatomy to improve valve placement accuracy.

Multi-layered implant walls integrate passive RFID sensors that detect fluid infiltration via capillary pressure, eliminating invasive clinical testing.

Segmented pore sizes block particles while maintaining blood flow, resolving the pressure drop versus reliability trade-off.

Anchoring extensions extend through commissures behind leaflets to prevent backflow while preserving native valve structure.

Inverting a temporary valve below the damaged aortic leaflet prevents regurgitation and preserves coronary blood flow while enabling safe TAV implantation.

A radiopaque marker aligns with the valve runner to improve placement accuracy while reducing paravalvular leakage risks.

Covalently bonding hyaluronic acid within a polymer host reduces thrombogenicity in blood-contacting devices, extending the functional lifespan of heart valves.

A roll-down vascular graft uses fluid pressurization to expand its diameter for precise aortic valve assessment.

Nested hypotubes and friction members prevent unintended shaft rotation, enabling precise annuloplasty ring sizing.

Expandable element anchors wire element to position cardiac valve prosthesis without occluding blood flow.