Balloon Catheter TRIZ Cases

A balloon cuff and dual-cannula ECMO layout maintains limb perfusion while reducing vessel occlusion, recirculation, and blood mixing.

An electrosurgical jaw catheter enables precise BASILICA leaflet cutting before valve deployment to help prevent coronary artery obstruction.

A recapturable self-expanding funnel and aspiration approach helps remove large DVT clots while limiting downstream emboli and vessel injury.

Controlled negative pressure through a coiled ureteral catheter improves urine output while reducing renal interstitial pressure and venous congestion.

An interlayer temperature sensor with a movable adhesion piece tracks balloon surface temperature without hindering expansion or raising breakage risk.

A detachable injector and torque-limited driver keep balloon pressure controlled while cutting disposable pressurizer cost.

A compressible stent with reduced crown density enables percutaneous heart valve delivery, secure anchoring, and lower tissue pressure.

A hydrogel-coated distal tip swells in blood to cut catheter friction in narrow vessels while limiting hydrogel exposure and allergy risk.

Hydraulic eversion replaces push-based catheter insertion to reduce shear, perforation risk, and discomfort during precise IUD placement.

An expandable member stabilizes the endoscope in the duodenum, improving ERCP bile duct cannulation despite peristaltic motion.

A conical enlarged distal tip opens vasospasm and helps hold liquid embolic at the target while lowering vessel rupture risk.

Internal lubrication lets a toroidal balloon invert and roll along the catheter shaft, reducing friction, tissue trauma, and removal impact.

Sequentially inflated balloons deploy and anchor unsupported medical structures through tortuous body lumens without ancillary devices.

Bypass lumens maintain blood flow during extended balloon inflation, allowing vessel-wall drug elution without myocardial ischemia.

Laser sensing of tube expansion and saline weight enables non-contact balloon catheter pressure and volume measurement while reducing infection risk.

Wing folding and a protective film reduce contact inside the tube, helping drug-coated balloon catheters retain coating integrity.

Grooved inner surfaces and a non-sticky membrane prevent balloon adhesion, support full inflation, and improve navigation in tortuous vessels.

Alternating flexible and stiff balloon regions keep lithotripsy emitters centered in curved vessels, reducing balloon rupture risk.

A compressible spacer with leaflet-capturing anchors helps seal the native mitral valve, reducing regurgitation with less invasive repair.

A dual-lumen catheter with staggered side holes and a porous cover maintains suction during sinus surgery by resisting collapse and debris blockage.

Electrical cavitation in a balloon-formed vessel cavity creates pressure waves that fracture calcified plaque and improve vessel expansion.

An RSNO-based nitric oxide solution inside a permeable catheter balloon blocks bacterial adhesion and biofilm growth without redesigning the catheter.

Docking devices and coaxial delivery assemblies improve transcatheter mitral and tricuspid valve placement, anchoring, and leak control.

Cooling delivered through an epicardial balloon helps terminate atrial fibrillation without painful shocks while enabling earlier intervention.

Helical-cut spring deviations create mechanical stops that prevent catheter contact force springs from overbending and overstretching.

A balloon catheter deploys an electrode basket during inflation to confirm pulmonary vein isolation and deliver energy without catheter exchange.

A nested inner and outer balloon assembly creates a leaflet opening for valve implantation while reducing coronary obstruction and debris risk.

A multi-section catheter tip with varying durometer materials aligns over a guidewire to track tight vascular turns while preserving push support.

Real-time rotation gauging compensates for shaft flex and twisting, improving prosthetic heart valve positioning in tortuous vasculature.

A polymer film reinforcement layer limits balloon overexpansion, helping catheter dilation stay on target and avoid blood vessel damage.

A locally hardened intermediate tip section improves guide wire followability while keeping the distal end flexible and less prone to stent entanglement.

Integrated electrodes on a balloon ablation catheter confirm pulmonary vein isolation without catheter exchange, cutting procedure time and air risk.

A drug-coated balloon dilates narrowed airways while depositing paclitaxel or sirolimus to curb restenosis and reduce repeat procedures.

A folded tube body inserted into a fixed tube removes dead space, simplifies assembly, and maintains airtight drug delivery without separate packing.

A sheathed detachable-tip balloon microcatheter prevents embolic reflux and catheter entrapment during AVM embolization.

A polyamide catheter tube uses amorphous carbon and titanium oxide to improve guidewire slidability while maintaining burst strength.

Deployable seals isolate the lymphatic outlet from venous blood, enabling passive lymph drainage by pressure differential without pumps.

An integrated holder and sheath lets ERCP tools advance on a single guidewire, cutting catch-release steps and procedure time.

AI ranks bilateral lower limb artery lesions before intervention to cut catheter changes, operation time, and patient burden.

Vacuum and vent cycling helps aspiration catheters prevent forward flow, avoid corking, and confirm complete clot removal faster.

A coil docking device with soft sealing coverage helps transcatheter heart valves fit varied anatomy, anchor securely, and reduce paravalvular leakage.

A retractable enclosure lets one shock wave catheter switch between enclosed and exposed emission to treat calcified, fibrotic, and thrombotic lesions.

Controlled vacuum shutoff and reversal help an aspiration catheter remove clots completely, avoid corking, and confirm recanalization.

Fenestrations in proximal and distal balloon segments maintain blood flow during inflation, reducing ischemia risk in intravascular therapy.

Outward-curving frame struts anchor a transcatheter mitral valve in a calcified annulus to limit leakage, avoid LVOT obstruction, and simplify implantation.

Intermittent vacuum control and pressure feedback help remove clots completely, avoid catheter corking, and confirm recanalization in real time.