Occulders TRIZ Cases

Replacing electrolytic methods, this mechanical detachment system uses a pre-tensioned wire to release coils reliably, ensuring stable aneurysm occlusion.

Segmenting the pull wire into a frangible region reduces detachment mechanism complexity while ensuring predictable separation of the embolic coil.

A medical device connector uses a lock-pin structure with locking rings and control wires for secure attachment.

A heating fuse element melts to sever the corewire connection, enabling faster detachment while reducing distal length and improving flexibility.

Segmented vaso-occlusive devices bridge wide-neck aneurysms with adjustable members that prevent coil migration and ensure stable placement.

Expandable member holds implantable device via lateral expansion, resolving placement accuracy and kickback trade-offs.

A self-expanding occluder uses a collapsible tail portion to seal under blood pressure, resolving incomplete sealing issues in vascular malformations.

Increasing primary wind diameter of a coiled implant enhances packing density in the aneurysm sac, reducing material costs from incomplete occlusion.

Flexible nickel titanium struts adapt to anatomical shapes for stable fixation, reducing thrombus formation risks.

A nickel-titanium thin-film mesh implant transitions from a flat planar state to a three-dimensional structure to occlude neurovascular aneurysms.

An inflatable balloon seals bone defects to prevent cement leakage and maintain surgeon visualization during precise filler delivery.

A C-shaped driver applies impact force to drive a hemorrhage occluder pin into the sacrum.

Self-expanding implants fill with embolic material to occlude irregular sacs and reduce rupture risk.

A flanged occlusion device uses a concave surface to anchor within the left atrial appendage.

Conical plugs expand via bronchoscope to seal airway ruptures, blocking fluid leaks where sutures dehisce.

A left atrial appendage occluder uses a traction structure to enable repeated positioning and retrieval of the device.

Metallic mesh reinforcement prevents polymer tearing during deployment, maintaining consistent vessel occlusion.

Asymmetric deployment wires self-expand to reduce headspace requirements, enabling minimally invasive patch placement.

Segmented anchors and a central cellular frame approximate tissue defects while accommodating variable anatomical shapes through dynamic deployment.

A medical filament delivery apparatus uses a feed tube slot to hold and position narrow-diameter filamentary material for precise catheter insertion.

A segmented retrieval device uses an expandable mesh anchor to stabilize the elongated member, preventing clot fragment dislodgement and downstream migration.

Segmented inflatable chambers conform to tissue geometry, preventing perforation and bleeding risks while providing immediate stroke prevention.

A vaso-occlusive delivery device uses a clasp and biasing member to secure embolic coils for precise placement.

A multi-layer filamentary implant blocks blood flow into cerebral aneurysms while preserving perforator vessel patency.

Dual braided members resolve the contradiction between radiopacity and flexibility, minimizing foreshortening during deployment.

Stacked sheet-like segments with porous side edges promote tissue ingrowth, reducing infection risks associated with sclerosant injections.

Expandable framework with extravascular lock secures left atrial appendage closure.

Segmented flexibility zones navigate tortuous anatomy while resisting high pressures to prevent kinking during embolic delivery.

An endoluminal delivery system positions an occlusion device inside a venous vessel to prevent reflux without open surgical incisions.

A slidable lock on a sheath wall restricts delivery member movement, resolving wave lock imprecision.

T-cut proximal couplers on the pusher wire enable controlled disengagement of embolic coils at target sites without external force.

Segmenting a tubular mesh into a concave proximal portion and an expandable distal portion secures adherence to irregular aneurysm sacs.

A pusher member featuring a return electrode and conductive sheath to accelerate electrolytic severing of implantable devices.

A delivery sheath tip reinforcing member shifts between constrained and expanded configurations to support precise implantation.

A segmented implantable frame seals gastrointestinal defects using distinct supporting and occluding portions.

A medical device with a central engagement member connects proximal and distal lobes to facilitate precise deployment at the target site.

Segmented occlusive coil undulates to deflect in multiple directions, resolving incomplete packing and catheter kick-out risks.

Alternating diameter coils paired with a flat cylindrical segment reduce catching during insertion while maintaining stable positioning in expanding aneurysms.

A waveform stretch-resistant member inside an embolization coil prevents dimensional changes during sterilization.

A catheter filter uses mesh and struts to capture particulates during vascular procedures.

Axial protrusion on a surgical clip bearing sleeve supports the spring leg, preventing damage to thin outer edges during welding operations.

Segmented NiTi frames collapse for small-lumen delivery then expand to provide immediate, migration-resistant vessel occlusion.

A self-expanding mesh device provides structural support within the aneurysm sac to stabilize embolic coils during endovascular deployment.

Barbed tubular frames anchor intraluminal occlusion devices to block fluid entry into blind passages and prevent stroke.

Segmented delivery catheter positions a cupped sealing membrane and nested occlusive foam to resolve small vessel deliverability constraints.

Composite foam and shape memory alloy frames ensure complete occlusion despite cold heart surgery temperatures.

A backboneless anchoring net with super elastic wires distributes force uniformly across the left atrial appendage.

Segmented braided implant resolves occlusion versus flow trade-offs by adapting to complex aneurysm geometries.