Heart Valves TRIZ Cases

A prosthetic heart valve delivery handle uses a button-actuated prong system to mechanically couple and release from the valve holder.

Nested cardiac compression devices shift end-diastolic pressure-volume relationships and restore stroke work by directly correcting aberrant motion.

Radial anchors on a mitral valve prosthesis prevent regurgitation recurrence by securing the device without piercing native tissue.

Centering devices ensure precise valve prosthesis positioning to prevent dislodgement and paravalvular leakage during transcatheter delivery.

An expandable component and sheet transform into a functional valve in situ, eliminating paravalvular leaks and calcification risks.

Segmented tubular anchor member with embedded fabric strip enables percutaneous heart valve replacement, reducing surgical invasiveness and recovery time.

Outer skirt openings create turbulent blood flow regions that resist paravalvular leakage, enabling precise percutaneous implantation.

A coiled wire sealing ring provides a secure seal between the prosthetic valve and native annulus.

Peening introduces compressive residual stress into heart valve stents, improving fatigue safety factors without increasing structural thickness.

Segmented legs and a vaulted hub clear the surgical field, enabling precise suturing without obstructing the sewing ring.

Segmented struts secure prostheses in wide mitral annuli without obstructing the left ventricular outflow tract.

Patient-specific finite element modeling of the aorta enables accurate prediction of implant-anatomy interactions to minimize peri-procedural complications.

A heart valve prosthesis uses an hourglass frame and support arms to anchor within the mitral valve annulus.

Mechanical decalcification device removes calcium deposits from heart valve leaflets using a burr or ultrasonic tool.

Segmented legs reshape the mitral valve annulus to correct regurgitation without sutures, avoiding scar tissue formation and preserving valve flexibility.

A compact prosthetic valve tester uses a reciprocating piston to simulate heart pumping functions.

Folded fabric strips on tubular anchors enhance sealing reliability while reducing patient trauma during minimally invasive heart valve replacement.

Chemical crosslinking joins tissue components under pressure compression to eliminate suture weak points and ensure mechanical stability.

Nitinol flared cuffs on self-expanding frames seal irregular mitral annuli, reducing perivalvular leakage and pulmonary edema.

A septal device uses a pressure-responsive membrane to regulate blood flow, preventing harmful mixing of oxygenated and deoxygenated blood.

A prosthetic valve actuator integrates a pressure sensor to detect attachment status, resolving reliability complexity trade-offs during surgical deployment.

Spherical geometry and specific radius ratios allow the ring to self-align, preventing tip contact and ensuring reliable recapture during complex procedures.

An implantable device autonomously controls intermittent blood vessel occlusion using real-time physiological feedback.

Glycerol and ethanol displace water from biological tissue to prevent shrinkage and microbial contamination during dry storage.

Segmented sizers with flexible tips match patient-specific contours, resolving rigid tool limitations.

Eye hook device steers lubricated cable to advance tricuspid valve delivery system without tissue anchoring, overcoming stiffness constraints.

Radially expandable tubular body lifts native valve leaflets via engagement mechanisms, preventing blood flow obstruction in the ventricular outflow tract.

Suture tension collapses the aortic end of a prosthetic heart valve stent, enabling accurate repositioning before final deployment.

Nested stents reduce the outer diameter of the transcatheter heart prosthesis frame, enabling delivery through smaller catheters.

A porous fabric extends between the seal member and valve leaflets to permit fluid flow across the inflow and outflow sides.

A heart valve prosthesis uses a D-shaped supporting structure and traction members to anchor the leaflet free end at the coaptation surface.

A tissue reshaping device remodels coronary sinus tissue to improve the seal between a replacement mitral valve and native cardiac structures.

A braided helical heart valve frame flexes with natural cardiac motion to ensure secure anchoring and proper blood flow.

Resilient clamp jaws grip the native mitral annulus to anchor a percutaneous prosthesis, resolving anchoring reliability issues in non-calcified anatomy.

A specialized surgical needle with reduced volume and surface area enables manual sewing of preserved animal tissue onto bioprosthetic heart valve components.

Movable leaflet inflow edges adjust radially to ensure full coaptation across varying diameters while minimizing pressure gradients.

Cross-linking elastin with pericardium tissue enhances toughness for pre-loading, eliminating glutaraldehyde storage risks.

A prosthetic heart valve stent uses varying cell densities to enhance radial force and secure anchoring, reducing paravalvular leakage.

A capsule houses a segmented clamp assembly that compresses heart valve leaflets into a deployed state.

Segmented arches anchor the prosthesis, preventing longitudinal displacement during heart motion.

Implantable tubular pump anchors in pulmonary valve annulus, preserving chamber volume while preventing leakage.

Shear-thinning fluoropolymer inks resolve high melt viscosity constraints to produce complex PTFE structures with tunable mechanical properties.

Cross-linked ECM prosthetic valves enable adaptive tissue regeneration, eliminating calcification risks and anticoagulation side effects.

Collapsible valve prosthesis uses dynamic anchoring members to attach securely to the native annulus without radial expansion.

Porous 3D terry fabric mimics cardiac muscle mechanics to resolve low cell survival rates in heart tissue repair.

Segmented transcatheter leaflet repair device creates new coaptation surface to treat regurgitation without causing mitral stenosis.