Heart Valves TRIZ Cases

A calcified annulus model enables proper anchoring and deployment of transcatheter aortic valve replacement devices in large animal studies.

An integral sewing cuff extends beyond the frame base to facilitate tissue ingrowth while discouraging unwanted growth around the frame structure.

Diamond mesh anchoring and wire extensions enable radial contraction to 18 mm, eliminating traumatic insertion while preventing migration.

An anterior prosthetic leaflet deflects away from the left ventricular outflow tract during systole to prevent blood flow obstruction and turbulence.

An inner skirt mediates stress between leaflets and the frame, reducing tearing risk while maintaining structural support.

A transcatheter valve clip anchors to the aortic annulus to support native leaflet tissue.

Segmented skirt portions and asymmetric side seams reduce bulk during deployment, minimizing migration risk and paravalvular leaks.

Segmented modular shafts align with native heart valves through constrained thoracic access, resolving spatial limitations in prosthetic delivery.

Curved leaflets minimize blood stagnation zones and reduce thrombus formation risk.

A prosthetic heart valve delivery apparatus uses a sleeve member and pull body to maintain rotational stability during expansion.

A balloon catheter with embedded electrodes measures valve annulus geometry through electrical field detection.

Composite leaflet materials combine metal substrates with polymer coatings to create durable prosthetic heart valve components.

Planetary gearset drives lead screw to move inner tube axially, reducing surgical time and leakage risk.

Partial stabilizing treatment enhances mechanical stability at high-stress points while preserving native tissue biocompatibility.

A prosthetic heart valve features a biocompatible metal oxynitride coating on its expandable frame to promote endothelial cell angiogenesis.

A transcatheter delivery device uses a retractable release sheath to maintain compressed prosthetic heart valves during insertion.

Complementary configuration pairs allow incremental post-implantation adjustments, reducing tissue damage risk from imprecise placement.

An elastic fixing claw and bolt wire assembly enable delayed valve release, preventing displacement and body damage from rapid expansion.

Segmented nested frames resolve mitral anatomy complexity, enabling precise recapture without increasing device bulk.

A polymeric web retains woven fabric via a non-linear edge to reinforce prosthetic heart valve connections.

A valve holder attaches to stent posts and deflects them outward using a sliding collar mechanism.

Stiffness gradients in the leaflet reduce closing volume and create spiral flow, preventing blood stagnation and thrombus formation.

Deflective features space leaflets away from stent structures, preventing abrasion during cyclic operation.

A foldable one-way valve prosthesis uses pivoting leaflets attached to a rigid base to manage fluid flow direction.

Nested cuffs form pockets to seal against native tissue, reducing paravalvular leaks and retrograde blood flow in minimally invasive implants.

Nested seal support fills anatomical gaps to prevent para-valve leakage without increasing stent bulk.

Catheter-delivered grippers coapt mitral valve leaflets, reducing surgical trauma while enabling precise internal positioning.

An expandable sheet shields conduction tissue from mechanical trauma, preventing heart block and paravalvular leakage.

Leaflets with arcuate bases and angled commissures minimize central regurgitation in elliptical mitral annuli.

An endoscopic implant combines magnets and a segmented mesh to prevent reflux while managing device complexity.

An exposed outer cuff fills space normally occupied by the capsule, reducing perivalvular leaks while maintaining a small delivery system profile.

A prosthetic heart valve leaflet design featuring offsetting portions and wider upper tabs to enhance structural integrity.

A thermally conductive container isolates the cooling element from the stent frame, preventing aqueous exposure while enabling dry-state compression.

A biocompatible valve incorporates a compliant dampening mechanism to absorb hydraulic shock energy during closure.

An aortic crossing catheter uses an expandable member to guide wires through calcified valves.

A self-expanding biological valve uses a nickel-titanium stent and silica gel ring to secure implantation without complex suturing.

A motorized catheter system uses a dedicated user interface to independently control distal articulation and longitudinal rotation.

Segmented frames with stretchable pocket closure retain thrombus while adapting to patient anatomy and reducing perivalvular leakage.

Side-delivered mitral valve uses A2 clip anchoring to secure tissue without invasive apex perforation.

An aortic graft occluder seals the graft lumen to enable internal pressurization and ultrasound verification of valve function.

A tubular heart valve segment incorporates longitudinal growth-adaptive biomaterial zones to enable radial expansion matching pediatric somatic development.

Automated optical detection determines leaflet flexibility to prevent blood regurgitation from mismatched tissue properties.

Integrated arched coronary artery protector on cerclage rope prevents tissue injury and erosion while maintaining stable tension application.

A flexible supporting structure conforms to irregular heart valve anatomy through real-time geometric deformation.

Atrial docking element anchors prosthetic mitral valve via tissue ingrowth, reducing open heart surgery risks.

A surgical instrument uses elastically deformable fish joints to collapse semicircular cutting ring halves for minimally invasive heart valve removal.

An asymmetric anchor device distributes pressure across heart tissue using segmented arms.