Heart Valves TRIZ Cases

Segmented stent fills crescent-shaped perivalvular leaks, preventing migration and valve interference.

Prosthetic heart valves use composite fibers to reinforce leaflets, reducing calcification risk and eliminating lifelong anticoagulation needs.

Catheter delivery of a self-expanding barbell anchor replaces invasive open-heart surgery, reducing patient risk and morbidity.

A dynamically adjustable intra-atrial shunt modifies its hydraulic diameter to reduce left atrial pressure while preventing pulmonary hypertrophy risks.

A self-expandable coupler deploys through a delivery device to form a blood flow conduit from the ventricle.

Segmented cardiac jacket bladders apply localized pressure to heart regions, resolving the trade-off between targeted support and device complexity.

A single lumen catheter with a distal angled section and pigtail loop delivers high pressure contrast media.

A profile altering tip transitions from a conical to an expanded shape to facilitate precise prosthetic heart valve deployment.

Secondary cross-linking with functional monomers reduces calcification risk while maintaining mechanical strength in biological heart valves.

A helical anchoring device guides a prosthetic mitral valve into position, reducing procedure complexity and patient trauma.

A steerable guide catheter uses a tip ring saddle to distribute pullwire tension and prevent unwanted rotation.

A steerable tether delivers a dynamic plug to the tricuspid valve annulus.

A biaxial tissue stretcher applies intersecting stress loads to standardize biological tissue mechanical properties.

Internal pressure application creates compressive inner stresses that reduce crack susceptibility in vascular stent materials.

Sinusoidal wire commissure posts allow full radial expansion, preventing binding and leakage in curved aortic profiles.

Conformable sewing cuffs adapt to irregular biological annuli, resolving hemodynamic impairment and clotting risks from rigid ring mismatches.

Decellularized extracellular matrix prosthetic tissue valves enable host cell proliferation and bioremodeling, eliminating the need for anticoagulation therapy.

Releasable seal bodies with less than 360 degree angular extent deploy from a hollow sheath to address valve commissure leaks.

Absorbent cuff expands to adhere mitral valve prosthesis, preventing perivalvular leaks during implantation.

Seam protectors distribute stress concentrations at attachment points to prevent tissue tearing and abrasion during repetitive valve operation.

A regenerative heart valve uses a biodegradable scaffold to expand with patient tissue growth.

An asymmetric prosthetic heart valve frame adapts to non-circular mitral anatomy, preventing backflow and distortion while enabling percutaneous delivery.

Nested collapsible prosthetic valve support anchors to native atrioventricular commissures, resolving delivery complexity and patient trauma trade-offs.

Segmented template with guide parts and holes disperses stress on cusp materials, enabling reliable aortic valvuloplasty.

A prosthetic heart valve uses bio-degradable leaflet devices to enable temporary blood regurgitation.

A clip removal apparatus uses a wedge member to dislodge tissue ligation clips from heart valve leaflets.

Self-expanding flanges secure conduits in active cardiac tissue, eliminating suture requirements and reducing ischemia risks.

A lollipop-shaped implant uses an adjustable occluding member to mitigate blood regurgitation by adapting its diameter post-implantation.

Leaflets with thicker sewing edges resolve the trade-off between calcification resistance and collapsible volume for minimally invasive delivery.

Radially projecting struts anchor a prosthetic heart valve to adjacent tissue, preventing displacement without excessive radial force.

Wire-reinforced fenestrations in the self-expanding valved conduit allow direct coronary stenting, reducing ECMO need for high-risk aortic dissection patients.

Flanging sections distribute force evenly across mitral leaflets, preventing local injury and regurgitation.

Independent paddle control attaches to mitral leaflets to close regurgitation gaps while minimizing stress on delicate tissue.

A hybrid tissue engineered heart valve uses a polyurethane core enclosed within autologous cells to provide durable biocompatible function.

Segmented leaflets with material slack minimize pressure gradients while ensuring proper coaptation across varying valve diameters.

Swellable anchoring sleeve prevents paravalvular leakage and migration by expanding against calcified annulus.

A collapsible braided nitinol frame anchors securely to native tissue via multipoint fixation, accommodating dynamic heart movements without rigid constraints.

Expandable microspheres within a prosthetic heart valve cuff seal paravalvular leaks by conforming to uneven annulus geometry without excessive radial force.

Segmented mitral spacers reduce surgical risks by enabling minimally invasive delivery of larger implants.

Flexible asymmetric ring and leaflets mimic natural mitral anatomy, reducing heart distortion and reoperation needs.

A self-expanding embolic filter membrane deploys across the aortic arch to capture debris during transcatheter procedures.

Segmented elastic rods adapt to irregular left atrial appendage shapes, resolving sealing gaps caused by rigid frame connections.

Arcuate members in the metal sheet elastically stretch to prevent buckling during multi-axis deformation.

Electrospun trilayered nanofibrous substrates mimic native heart valve leaflet structure for biologic tissue engineering.