Occulders TRIZ Cases

A heat-set inner and outer wire coil structure uses a grooved spherical mandrel to maintain shape and improve vascular malformation filling.

A retracted release wire disengages interlocking loops with minimal axial force, reducing implant shift during vascular deployment.

Shifting the heater coil locus to the distal tip improves thermal detachment reliability and reduces mushroom-shaped artifacts in neurovascular coils.

Conical or frustoconical mandrel posts guide coil loop nesting for denser aneurysm packing, lower wall force, and less coil escape.

A bifurcated strut-and-rod LAA closure forms a dense mesh that adapts to irregular anatomy for stable sealing, anchoring, and retrieval.

A central through hole and fragile baffle membrane let this septal occluder block blood flow while preserving transseptal access for later interventions.

A braided self-expanding mesh forms disc-like occlusion regions that seal vessels through microcatheters while reducing migration and supporting tissue ingrowth.

A fracture-to-plasticize coil coating improves microcatheter pushability, lowers friction, and restores curvilinear embolic deployment.

A distal triangular anchoring loop helps small aneurysm coils resist herniation, keep shape stability, and improve chronic retention.

Magnetic guidance steers a thrombogenic filling element through tortuous vessels for controlled aneurysm occlusion with less tissue damage.

An expandable balloon and positioning spines seal the left atrial appendage opening while promoting endothelialization to reduce thrombi risk.

A ramped wire profile converts sheath motion into inward retraction, cutting recapture force and limiting sheath delamination.

A gas-powered inflatable balloon applies sustained wound pressure for fast bleeding control without complex manual packing or advanced first aid.

A rotating, self-expanding implant twists and secures left atrial appendage tissue to improve occlusion and lower thrombus risk.

A self-expanding woven implant uses a stiffer proximal neck section to block aneurysm inflow while preserving flexibility for microcatheter delivery.

Selective coupling of dual ultrasonic probes balances flexibility and strength for CTO crossing and targeted tissue disruption.

A film-covered braided disc and nested gathering sleeves improve occluder sealing and fixation without increasing sheath tube diameter.

A curved neck-bridging structure anchors embolization coils inside an aneurysm to prevent herniation and support complete embolization.

A bent metal cord and ferrules guide self-assembling magnetic anastomosis devices through small catheters for precise placement and larger patency.

Anchor members with dual retention features secure the occlusive member and improve left atrial appendage sealing to block clot escape.

A ring-and-connector assembly secures distal tines in an expandable LAA closure frame, improving occlusion reliability and manufacturing flexibility.

Temporary 6-hour SVC occlusion reduces venous return to unload the heart, lower cardiac pressures, and support myocardial recovery.

A coaxial conductive tube and insulator structure enables fast Guglielmi coil detachment without needle insertion, reducing trauma and procedure steps.

A flexible joint and breakable detachment element absorb bending strain, preventing premature implant release in tortuous lumens.

A guide element centers the retrieval wire in the catheter, improving LAA implant placement and recapture while reducing thrombus risk.

A spring-loaded jaw clip closes the left atrial appendage through catheter delivery to reduce blood flow, clot passage, and stroke risk.

Focused sheath and plunger compression seals a vascular access point over a guidewire, improving hemostasis without prolonged manual pressure.

A braid section with sliding proximal and distal coil segments improves aneurysm neck coverage, retention, and delivery without ancillary devices.

Separate anchor and embolic components enable small-catheter delivery while improving positioning and retention in large vessels.

A regulating member with axial drive shapes an absorbable occluder into its expanded state, enabling effective occlusion without permanent residue.

Cured material bonds braided filament ends without bulky metal bands, enabling small-catheter aneurysm occlusion and thrombus formation.

A widened hypotube and enlarged wire ends enable rapid mechanical coil detachment without the delays and failure risks of electrolytic systems.