Balloon Catheter TRIZ Cases

Nesting the distal electrode array inside the balloon wall eliminates point-by-point measurement delays for faster cardiac mapping.

A cutting balloon design pleats the wall underneath scoring elements to maintain exposure during tight wrapping.

Reroute arterial blood through catheters into the venous system to oxygenate ischemic tissues in no-option patients with diffuse coronary artery disease.

Tapered reinforcement portions minimize fluid flow resistance while maintaining axial rigidity for compatible kink resistance and deflation time.

Ultrasonic vibration of a drug-coated balloon improves sub-layer vessel wall penetration, preventing restenosis.

Segmented catheter shaft combines stiff proximal torque transmission with flexible distal navigation.

A catheter with an expandable device and light source treats lesions via photodynamic therapy, reducing post-operative bleeding and stricture formation.

Segmented composite balloons navigate tortuous paths and maintain shape after detachment, reducing recanalization risk.

Selecting specific phenolic compounds as carriers controls crystallization state and extends drug retention time in blood vessels.

Snap-fit coupling secures the syringe to the housing, preventing air bubble entrapment and ensuring accurate pressure readings during inflation procedures.

A three-port extracorporeal circuit establishes independent temperature zones in blood flow.

Slit patterns enable the filter region to expand against vessel walls, capturing debris during below-knee atherectomy procedures.

Rotating a toroidal balloon inverts its internal and external surfaces, eliminating sliding friction against tissue walls during extraction.

Bonded stylet within sheath eliminates complex removal procedures while ensuring complete component extraction.

Segmented RF heating eliminates heat transfer inconsistencies from mechanical clamps, ensuring consistent bond strength across varying catheter materials.

A perivascular tissue ablation catheter delivers fluid through the renal parenchyma to target sympathetic nerves.

Circumferentially wrapped folds form internal drug reservoirs, preventing dispersion during transport to the stenosis site.

Catheter-based hydrodynamic injection delivers plasmid DNA into hepatocytes, bypassing complex viral vectors and reducing side effects.

Segmented expandable balloon and flexible electrode support enable controlled ablation of renal nerves while minimizing damage to surrounding tissues.

Segmented balloon walls with discrete weak points allow a ripcord to tear the structure, resolving the trade-off between inflation strength and deflation speed.

Adjustable occlusion balloons isolate specific pancreatic arteries, enabling precise drug delivery while minimizing systemic exposure.

Segmented dual balloon catheter prevents band detachment during compression, ensuring reliable dilation of constricted tissue.

Segmented inflatable cells and tension wires allow controlled pressure application, preventing aortic rupture during occlusion.

Chemically fixed copolymer coatings prevent resin separation during catheter movement, maintaining consistent lubricity and extending operational durability.

An inflatable balloon nosecone changes length to reduce delivery device profile, enabling minimally invasive heart valve replacement without open surgery.

Nested proximal and distal capsules transition to deployed arrangements, reducing delivery device length within the right ventricle to improve tricuspid access.

Balloon-based articulation eliminates hysteresis and friction losses in tortuous vascular pathways, ensuring precise steering and alignment accuracy.

A deflectable catheter integrates optical fibers to deliver ultrafast laser pulses for precise calcium removal.

Longitudinal fold elements minimize bending radius on catheter balloons, eliminating shrinkage and kinking during insertion.

A balloon catheter method determines internal pressure and size across expansion states to assess vessel integrity.

A catheter with an expandable balloon stabilizes needle placement to overcome tortuous renal artery anatomy and improve chemical agent delivery precision.

A fiber-reinforced inflatable balloon uses discontinuous longitudinal fibers to create flex points for enhanced trackability.

A forming process deforms plastic tubes onto a tubular connecting piece to create secure adhesive-free bonds.

Multilayered bands combine superelastic nitinol with platinum iridium alloys to resolve the trade-off between deformation recovery and imaging visibility.

A catheter knob employs a ratchet mechanism to control rotation of an expandable member, enabling safe deployment and removal in bone repair procedures.

Nested lumens reduce inflation time for large volume balloons, while a distal end piece prevents fluid ingress during deflation cycles.

Center axis extraction eliminates peripheral air gaps that cause non-uniform temperature distribution, ensuring consistent balloon thickness.

Optical fiber delivers near-infrared light to activate immune cells and damage tumor tissue, eliminating toxic adjuvants.

Fiber web encased in matrix material on expanded underlayer provides 15,000 psi strength for treating calcified stenoses.

A drug-eluting insertable medical device uses nano-carriers with biological agents to release therapeutic drugs at distinct rates.

Continuous fluid circulation maintains balloon pressure and volume, overcoming heat dissipation from surrounding tissue in thermal ablation.

Calibrated balloon catheter occludes inferior vena cava during inspiration to reduce venous return, minimizing cardiac burden in acute heart failure.

Dual lumen balloon catheter delivers a cell-attracting primer to coat the treatment site, ensuring sufficient cell retention for effective tissue repair.

Expandable enclosure anchors against the gastrointestinal wall, shielding therapeutic agents from digestive enzymes to improve oral bioavailability.

A compact inflation device maintains positive pressure within a syringe to prevent air entry during gas loading.

A vapor phase medical system delivers thermal energy to targeted tissue volumes via controlled phase change.

An occluding catheter uses an expandable balloon and outer mesh to block blood flow and filter emboli in the aortic arch.

A swallowable capsule deploys a tissue-penetrating member to advance therapeutic agents into the intestinal wall, bypassing gastric degradation.