Balloon Catheter TRIZ Cases

Wedge-shaped convex and concave portions mechanically engage inner and outer layers, preventing separation while maintaining flexibility.

A temperature-responsive coating on an inflatable balloon catheter retains therapeutic agents at low temperatures and releases them upon heating.

Adjustable restriction portion secures medical material at the treatment site, preventing distal displacement without invasive suturing.

A compliant extra-luminal balloon occludes a blood vessel externally against a bearing surface to enable upstream medical treatment.

A swallowable capsule delivers viable cells via a biodegradable shell that penetrates intestinal tissue.

An expandable balloon forms a working chamber to improve instrument triangulation in confined lumens.

A balloon catheter system dilutes contrast media using saline infusion.

A porous metal body placed between a mold and thermal jacket distributes heat uniformly during medical resin balloon production.

Interlocking protrusions anchor inner and outer layers within a reinforcing coil gap, reducing detachment risk during axial pulling or bending.

Segmented core wire with varying diameters prevents inner tube entanglement while maintaining rigidity balance.

A vacuum-assisted injectate delivery device expands tissue layers using radially deployable fluid elements for precise submucosal elevation.

Segmenting a balloon catheter with varying material stiffness resolves the trade-off between long-distance advancement and navigating narrow vessel bends.

An implantable compliant chamber diverts spinal fluid flow from the foramen magnum, reducing pressure gradients and surgical complications in Chiari I patients.

Endovascular plaque excision system uses balloon shunting and direct visualization to remove carotid artery stenosis without permanent implants.

Integrated force sensors map balloon expansion pressure to prevent annular rupture while ensuring adequate sealing performance.

An expandable element positions radiographic markers outside the lumen to define a visible geometric reference plane.

Segmented outlet branches with one-way valves prevent pressure transfer between balloons during deflation.

A dual-layer medical balloon uses a polyamide outer shell to boost burst strength and hoop integrity.

Multi-lumen catheter tip uses a reinforced external balloon valve to regulate fluid flow and maintain structural integrity during infusion.

Magnetic field gradients measured by a guidewire managing assembly enable precise catheter tip positioning to reduce tissue injury risk.

Rotating medical devices above 500 RPM generates centrifugal force that prevents coating pooling in low areas and ensures uniform thickness.

Cutting tools with integrated filters modify native or prosthetic valve leaflets, preventing coronary obstruction and ensuring proper mounting.

Longitudinal scoring wires segment the vessel wall to prevent plaque redistribution and reduce re-occlusion risks after angioplasty.

Regional hypothermia during retroperfusion reduces metabolic demand and limits infarct size in diffuse coronary artery disease.

Integrated circuit modules enable bidirectional signal transmission through single conductors, resolving stiffness trade-offs in small-diameter guidewires.

Diamond-to-spherical balloon transition resists axial catheter movement while delivering sharp tactile feedback at low force application.

Segmented core wires resolve the contradiction between axial rigidity and lumen adaptability by allowing independent movement of support elements.

A percutaneous device reshapes the heart valve annulus using pivotable arms to restore leaflet coaptation.

Locking mechanisms transition flexible segments into rigid states, resolving the contradiction between navigational adaptability and channel stability.

Expandable coil springs in the catheter shaft align radiopaque markers with the balloon working surface during inflation.

A distal access aspiration guide catheter uses a composite metal helix and polymeric structure to achieve high flexibility.