Balloon Catheter TRIZ Cases

Segmenting the high-pressure water bag into two barrel-shaped cavities reduces bleeding risk while enabling accurate visual positioning via a probe.

A catheter uses a porous cuff to discharge fluid jets that reduce friction against vessel walls.

An expandable member bursts to deliver therapeutic agents directly to the puncture site.

A balloon catheter with radiopaque markers measures aortic annulus dimensions to guide precise device sizing.

Varying radiopaque marker thickness along the catheter shaft resolves the contradiction between improved X-ray visibility and reduced blood vessel passability.

A fixture system prevents balloon sagging by maintaining axial tension on the mandrel, ensuring uniform coating distribution along long catheter lengths.

Nested OCT sensor in hollow tip resolves visualization accuracy trade-off, enabling precise plaque removal with single-device efficiency.

A bladder measurement device displays urinary parameters as graphs with adjustable time axes to visualize trends.

Electrical arcs in fluid-filled balloons create subsonic pressure waves that disrupt calcified lesions while reducing vessel wall damage risks.

Opposite-direction balloon folds constrain valve rotation during inflation, resolving alignment precision trade-offs in transcatheter procedures.

A magnetic field activates nanoparticles to generate localized heat within body cavities.

A balloon catheter system uses a radioactive isotope in the inflation composition for precise location detection.

Toggle assembly links actuation mechanism to syringe plunger for precise fluid control.

A catheter with an imaging element and thrombus disrupting element clears vascular fistulas.

A balloon catheter uses a low-friction second member to form the inner shaft, reducing resistance during insertion.

A catheter balloon inflates radially inward to create a removing unit on its outer peripheral portion.

Inflatable balloons define a treatment chamber that isolates the vessel from blood flow, preventing agent washout and reducing nerve damage risks.

A balloon catheter with surface protrusions configured by specific molecular orientation ratios to enhance rigidity and flexibility.

An integrated port controller in the syringe plunger eliminates stopcocks, enabling simultaneous dual-balloon inflation while reducing user error.

Segmented pulling assemblies and inflatable balloons overcome navigation limits in tortuous ducts by contracting tissue lengthwise toward a proximal anchor.

Radial fins integrated into the polymeric tube structure provide targeted lesion scoring while maintaining vessel navigability.

Segmented tubes on a balloon catheter deliver therapeutic agents to vascular lesions, resolving manufacturing complexity and treatment precision trade-offs.

Independent balloon inflation accommodates varying lumen diameters to prevent injury during AVF treatment.

Segmented Nitinol stent cells conform to irregular cardiac rings, preventing migration and ensuring effective sealing during minimally invasive delivery.

Inflow and outflow flares on the stent combined with a narrowed waist profile reduce pressure gradients across the valve, minimizing cardiac strain.

Segmented support structures enable valve-in-valve procedures by expanding radially to accommodate new devices.

A catheter delivers filler via a retractable needle to form an intervascular bridge, relieving vessel compression without leaving permanent implants.

A retractable sheath with a locking mechanism adjusts balloon exposure length to prevent premature drug coating loss during insertion.

Third lumen sheath seals bladder entry during guidewire threading, preventing contamination and tissue injury.

Textured balloon protrusions increase friction for reliable anchoring, reducing premature slipping and procedure restarts during endoscope advancement.

Ultra-high purity ethanol eliminates toxic impurities to enable precise tissue ablation while protecting healthy surrounding cells.

A defecation measurement pellet integrates pressure, force, and deformation sensors within a flexible balloon structure.

A primary balloon employs a restraining mechanism and flow controller to vent excess pressure, preventing urethral trauma during insertion.

An annuloplasty ring changes shape from a non-circular configuration to a circular form using dilation force.

A weeping balloon catheter uses a single liquid delivery lumen to inflate the dilation balloon and release therapeutic agents through its porous wall.

Segmented balloon dilation matches the kidney bean geometry of the upper esophageal sphincter, reducing scarring from radiation-induced fibrosis.

A stretch valve mechanism automatically deflates an inflated balloon catheter when pulled or over-pressurized.

A kissing balloon catheter system aligns blood vessels using inflatable balloons and a piercing element to create a precise access path.

Welds inner surfaces of integral projections to prevent blade detachment and reduce manufacturing complexity.

A medical balloon actuator aligns the working surface with radiopaque markers, resolving misalignment caused by shaft flexing and tolerance stack-ups.

Dual release mechanisms sever tangled sutures to enable safe withdrawal of the delivery device after deploying a prosthetic heart valve.

A multi-occlusion balloon catheter delivers therapeutic agents directly into the bile duct to treat pancreatic cancer.

A balloon catheter linear member features a hard portion and flexible portion to enable radial extension during inflation.

A medical balloon utilizes distinct residual strain levels across its regions to control inflation sequence and achieve uniform expansion.

Protrusions enter inner layer depressions beyond the reinforcement coil, preventing outer layer detachment during insertion.

A balloon catheter fluid management system uses a remote valve assembly to control inflation and deflation via a peristaltic pump.

Segmented balloon protrusions improve uterine wall contact and compression while auxiliary injection pipes simplify fluid delivery during cesarean sections.

A balloon catheter with a retractable sheath and locking mechanism adjusts the exposed balloon length.

A subintimal device provides mechanical protection and visualization during endovascular interventions.