Balloon Catheter TRIZ Cases

A balloon moderates self-expanding valve stent release to reduce native anatomy trauma, improve seating, and limit paravalvular leakage.

Controlled molecular orientation keeps balloon fracture in the straight tubular section, limiting circumferential breaks and L-shaped end cracks.

Radiopaque markers embedded in the balloon define its ends and midpoint, improving working surface alignment and reducing angioplasty misplacement.

A biased, lockable piston and attached housing maintain biopsy suction with one-handed operation, reducing setup steps and extra assistance.

Localized venous pressure reduction with deployable restrictions and an impeller improves lymphatic drainage for rapid fluid overload relief.

Shock waves delivered through a multi-chamber aortic balloon fracture valve calcification, improving expansion and reducing leak risk.

A nested balloon within thin-walled inner and outer shafts preserves low OD, large lumen capacity, and flexible vascular navigation.

Elongated positioning and stabilization members help place prosthetic valves accurately in the native annulus, reducing leakage and dislodgement.

A fastener lumen links the pump to the lead inflation lumen, enabling balloon inflation during implantation without losing sealing or lead retention.

A movable sheath keeps scoring members covered during delivery, improving tortuous vessel navigation and reducing non-target tissue contact.

A larger return electrode shifts current limiting to the active electrode, reducing return heating, shadow lesions, char, and hemolysis.

Elongated positioning members and stabilizers guide TAVR valve depth and alignment to reduce leakage, dislodgement, and conduction risk.

Pressure-controlled coating inside a tube lumen creates a thin lubricious layer that cuts friction and improves catheter and particle delivery.

Pressure-actuated valves and an antechamber block moisture ingress in body cavities, preserving cold plasma delivery and sterility.

A vented Foley catheter uses a separate air path, one-way valve, and sensors to clear air locks and improve urine drainage and measurement.

Compressed gas inflates a wound balloon to maintain controllable pressure, helping laypersons slow bleeding without complex packing.

A horn-shaped reinforcement over balloon electrode tails reduces delamination during repeated expansion, collapse, and catheter withdrawal.

Cyclic vena cava occlusion uses inflatable balloons to create low pressure at the thoracic duct outlet and restore lymph flow without mechanical pumps.

A compressible catheter tube and valve-vent pressure control reduce sphincter stress while maintaining fecal drainage and leak resistance.

A woven inner layer and plush outer layer improve annulus sealing while limiting leaflet abrasion, crimp bulk, and delivery force.

A rotatable knob and plunger coordinate balloon inflation with implant shortening to improve occluder deployment reliability and speed.

Pressure sensing and automatic balloon deflation keep an irrigation catheter retained while limiting rectal wall stress and rupture risk.

An inflatable inner tube expands through shunt pores to dislodge coagula, maintain CSF drainage, and reduce revision surgeries.

A tapered protective sleeve keeps an intravascular lithotripsy balloon deflated during storage, reducing contamination and damage before use.

Flexible stamps and vacuum bagging imprint friction-enhancing microtextures on curved balloon surfaces to improve implant anchoring in tissue.

Isolating coronary flow with an ostial occlusion catheter enables controlled perfusate delivery and oxygen re-exposure to limit reperfusion injury.

Real-time OCT imaging and multi-electrode shock wave delivery help target calcified lesions while reducing vascular wall damage.

A collapsible ring seal limits vessel pressure differences in intravascular blood pumps while maintaining sealing and blood flow relief.

A rotatable locking member secures and releases the pulling wire to improve artificial implant expansion, retrieval, and delivery control.

Angular offset abrasion elements and balloon aspiration prepare an isolated vein closure zone for more precise agent delivery with fewer complications.

Real-time electromagnetic sensing verifies intragastric device position before inflation, avoiding radiography errors and radiation exposure.

Circumferential reinforced regions and cutting members let a valvuloplasty balloon score diseased valve tissue while keeping a low deflated profile.

An expandable drug-coated catheter treats atherosclerosis while preserving blood flow, extending vessel-wall contact and reducing drug loss.

Coaxial sub-balloons create a central blood-flow channel, allowing longer drug-coated balloon deployment without distal ischemia.

Alternating raised and recessed balloon sections create flow channels, enabling longer vessel dilation and better drug absorption without ischemia.

A plastically deformable biodegradable occluder blocks left atrial appendage clots, then degrades to support endothelialization and tissue closure.

Retrograde carotid-to-venous shunting replaces distal filters to limit cerebral emboli and simplify carotid stenting procedures.

An everted balloon and sleeve collect vessel-wall cells through pressurized deployment, reducing operator skill demands and tissue damage.

A dual-chamber spinal implant uses in situ cured silicone and pressure feedback to replace the nucleus pulposus while limiting subsidence and migration.

A biaxial-coaxial lumen transition lets one angioplasty catheter keep guidewire access while injecting fluid, reducing catheter exchanges.

A laterally opening balloon seals the vessel wall to direct alcohol into the vein of Marshall and its anastomosis for more complete treatment.

A compliant occlusion balloon adapts to vessel diameter changes to maintain apposition and partial blood flow without repeated manual adjustment.

A vacuum-assisted balloon catheter helps evacuate feces with less anodermal stretching, reducing pain and supporting anal fissure healing.

A dual-layer balloon with inflation and suction lumens applies negative pressure at GI wounds while avoiding invasive re-operation and frequent sponge replacement.

A retractable enclosure lets the shock wave emitter switch between enclosed and exposed modes to treat calcified, fibrotic, or thrombotic lesions.

Ionic or zwitterionic additives in polymer-encapsulated drug coatings improve transfer to tissue, boost retention, and help reduce stricture recurrence.

A balloon-based distal seal improves microcatheter navigation and thrombus aspiration while helping prevent vessel collapse.

A deflection control member and movement limiter let the catheter vary and hold expansion stiffness for precise, stable cardiac tissue contact.

A spool-driven guide wire disrupts clots in medical tubes to restore drainage and help prevent adverse events from blockage.

Nested catheters deliver and join two valve frames separately, reducing bulk through tortuous anatomy and avoiding sewing at implant.