Heart Valves TRIZ Cases

A percutaneous cardiac valve repair system uses a movable plug and tether to block blood backflow across the heart valve.

Radiopaque markers distinguish valve regions from stents to resolve measurement precision difficulties.

A pre-sized prosthetic chordae assembly with a secure attachment mechanism.

Tethers maintain tension to prevent rapid stent expansion and enable recapture for precise anatomical placement.

Selective electrode insulation enables real-time monitoring of cardiac tissue electrical activity while preventing unwanted current leakage.

Segmented cylindrical crimping units compress collapsible valve stents via tangential handling screws, preserving anchoring system integrity.

Elastic helical coils capture native leaflets to reduce tissue trauma and delivery sheath size.

A ligament-like connection joins a stented valve to an anchoring tube, preventing migration while keeping the connecting region free from foreign material.

A commissure locator device and coronary sinus contractor enable precise annuloplasty implant placement.

Variable stiffness in the delivery sheath prevents kinking around the aortic arch, enabling precise recapture and deployment of the prosthetic heart valve.

A prosthetic heart valve stent frame integrates leaflet material through a weaving mechanism to secure the structure.

A fixation device uses a flexure portion to enable contact portion movement within a defined angle range for tissue engagement.

A prosthetic heart valve uses a differentially deformable anchoring structure to ensure accurate rotational orientation during transcatheter implantation.

An over-expansion structure allows relative sliding between the screw actuator and frame, enabling radial expansion to accommodate growing anatomy.

Sliding shafts expand a braided sleeve to capture emboli while minimizing vessel damage and maintaining blood flow.

Multifunctional tester uses linear motors and steady pumps to evaluate prosthetic valves across multiple flow modes.

A prosthetic valve delivery system establishes a continuous pathway from the aorta to the heart apex for simultaneous tool insertion.

Deformable scaffolding struts extend from an annular brace to support the valve structure, reducing regurgitation and improving heart efficiency.

Decellularized extracellular matrix valves resolve calcification risks while modulating blood flow for tissue regeneration.

Radial expansion of the stability tube distal region minimizes frictional resistance, preventing unintended prosthesis movement during self-deployment.

An asymmetric prosthetic mitral valve stent with a larger posterior leaflet improves coaptation and reduces regurgitation.

Articulating joint pivots distal sheath to align prosthetic heart valve despite apical-annular axis mismatch.

Composite scaffold with controlled release prevents matrix degradation and improves cell engraftment.

A catheter delivery system advances a taut platform through the heart wall to stabilize cardiac implant placement.

Magnetic compression of atrial septum tissue via a shape memory alloy coil enables controlled decompression without acute heart failure risk.

Ventricular loops anchor a coaptation-assist surface at the hinge line, limiting leaflet prolapse and reducing regurgitation leakage.

A segmented umbrella framework deploys a cardiac assist mesh into the pericardial space through minimally invasive access.

A manually rolled crimping sheet compresses a heart valve inside a spiral, while a restriction ring prevents loosening during cannula insertion.

Virtual percutaneous planning simulates implant deployment to predict complications and reduce processing times.

A spring-loaded tissue holder grips heart valve tissue between holding plates to maintain secure clamping force during processing.

A heart valve crown piece connects leaflets to a frame using a single suture path.

A dual-valve prosthesis manages esophageal flow using pressure-dependent opening mechanisms.

A dual valve prosthesis uses lateral offsetting to deploy aortic and mitral valves through a single catheter.

A conical prosthetic heart valve uses collagenous ribbon structures to modulate blood flow and reduce calcification.

Rotatable gripping elements with variable axis offsets accommodate varying leaflet thicknesses, reducing tissue injury during transcatheter repair.

A self-expanding conical filter captures embolic debris while minimizing blood flow obstruction and stroke risk.

An adjustable prosthetic heart valve uses a connection assembly to modify the outer frame radial shape after implantation.

Self-aligning protrusions on clamping arms guide precise positioning, reducing surgical trauma and eliminating complex control systems.

Segmented suture ring tabs accommodate asymmetric anatomies, preventing vessel deformation during implantation.

Bioabsorbable prosthetic mitral leaflet extensions provide high tensile strength and suture retention capabilities during tissue healing.

An elastic-walled clip shortens mitral leaflets to restore coaptation without open chest surgery.