Balloon Catheter TRIZ Cases

Segmenting the catheter tip with a spring allows navigation through tortuous vessels while maintaining radial rigidity to prevent kinking.

A dual-balloon inflation device with a proximal cap and distal barb.

A dry membrane heart valve system reduces delivery profile by eliminating hydration steps, enabling percutaneous implantation in smaller arteries.

Segmenting the balloon and valve assembly enables reproducible inflation while eliminating complex gastric insertion procedures.

An everted balloon catheter collects representative cell samples from the Fallopian tube without damaging the delicate lumen wall.

Flattened inflatable balloon anchors catheter in subintimal tract, enabling lateral needle deployment to reliably puncture intima and restore blood flow.

Rack and pinion mechanism twists flexible lumen in aspiration catheter hub, enabling single-handed suction control to resolve cumbersome two-hand operation.

Catheter replaces visual estimation with impedance planimetry, determining gastric pouch volume through fluid-filled balloons and pressure transducers.

Segmented valve components adapt to degenerated bioprostheses, restoring hemodynamic performance in valve-in-valve procedures.

Self-expanding coil arms grip the aneurysmal wall to stabilize the mesh disc, preventing displacement during embolic material deployment.

Three-position valve assembly coordinates pump flow to maintain constant balloon volume and prevent overheating during low-pressure inflation.

An intrauterine catheter uses a balloon seal at the distal os to isolate the fallopian tube, preventing cancer cell dissemination during diagnostic sampling.

Segmented porous material and pre-formed balloons secure a drainage tube against slipping while draining fluid from gastrointestinal injuries.

A medical balloon catheter manufacturing method monitors elongation parameters during expansion to determine pressure resistance.

A peritoneal cavity-bladder connecting catheter channels ascites into the bladder via a film-walled inlet and balloon anchor.

Plate-mounted valves direct fluid to expand balloons, resolving hysteresis and friction in catheter articulation.

An expandable balloon occludes the lumen during filter deployment, preventing plaque dislodgment and reducing emboli formation risk.

A removable loading tool with a tapered proximal region protects drug coatings from shear damage while passing through hemostatic valves.

Segmented pressure regulation manages phase transitions to control inflation pressure and prevent tissue damage during cryoablation.

A robotic catheter uses positioning elements to maintain consistent distance from tissue during steam ablation.

An extraction principle replaces complex link members with a direct pressing action, eliminating tolerance accumulation and ensuring uniform detenting forces.

A balloon catheter system delivers therapeutic agents via dedicated ports after lesion compression.

A dual valve prosthesis integrates self-expanding anchoring frames with balloon-expandable stents to support concurrent mitral and aortic valve implantation.

Flexible retaining members flex outward upon balloon inflation to detach the distal tip assembly, ensuring complete occlusion in tortuous vessels.

Balloon catheter isolates the thoracic duct to deliver high drug concentrations locally while preventing systemic exposure and side effects.

A balloon ablation catheter features a side opening in the distal tip to insert an electrode catheter for local potential detection.

Scintillating fibers embedded in catheters measure actual dose distribution, replacing simulation estimates with direct physical verification.

Embedding radiopaque particles in the outer layer of a medical balloon improves visibility during imaging while maintaining structural flexibility.

A balloon catheter design centers an optical fiber within the balloon cavity to ensure accurate light delivery during medical procedures.

A longitudinally movable sheath adjusts balloon length to treat lesions of varying sizes in tortuous anatomy.

Expandable balloon catheter captures blood clots for en bloc removal via suction, minimizing fragmentation and fluid loss during vascular intervention.

Segmented catheter design enables remote wire guide uncoupling while preventing fluid leakage during biliary procedures.