Balloon Catheter TRIZ Cases

A catheter system establishes reverse blood flow in the internal carotid artery to deliver pharmaceutical agents into the ophthalmic artery.

Multi-port hub manages fluid inflation and agent delivery through nested lumens in a resector balloon catheter.

An elongatable distal end reduces blood vessel perforation risk by enabling precise positioning during lesion crossing.

A medical delivery device uses an inflatable balloon to transport therapeutic agents from internal pockets to target tissue sites.

A continuous tissue expansion system uses feedback control to deliver liquid inflation, preventing ischemia and capsular contraction.

A movable balloon anchors to a guide shaft to reduce regurgitant jets while moving distally to minimize blood flow obstruction.

Embedded radial wire segments provide precise lesion cracking force while simplifying manufacturing complexity and enabling fluoroscopic visibility.

Integrated molding eliminates separate bonding steps that cause material discrepancies, enabling rotating balloons with minimal friction.

Expandable ureteral catheter applies negative pressure to drain renal pelvis fluid and facilitate urine flow through the drainage lumen.

Integrated pressure sensor monitors balloon inflation in real time, preventing nerve injury from excessive pressure while combining multiple treatments.

A catheter stress riser concentrates mechanical force to split the shaft wall for wire guide removal.

A roll-sock sheath protects bioactive coatings from friction loss, ensuring timely drug delivery to vessel walls.

Crystalline limus coatings resolve slow tissue retention by enabling rapid absorption and extended efficacy against neointima proliferation.

A medical catheter uses a cavitation generator to create high-energy pressure pulse waves that disrupt calcific plaque within the vasculature.

A catheter shaft with a distal metal portion and inserted wire electrically insulates potential-measuring electrodes.

Inner material removal creates a necked catheter tip that prevents guidewire lumen collapse while reducing vessel injury.

An expandable balloon creates a closed intraluminal chamber that maintains high drug concentration at the target site while minimizing systemic toxicity.

Mechanically coupled leaflet projections distribute stress across the prosthetic valve frame, preventing bond failure in aqueous environments.

A variable diameter medical balloon uses frangible connections to adjust its size during inflation.

Inflatable member prevents distal microparticle embolization while infusion tube delivers pharmacologic agents beyond the occlusion.

Dynamic inferior vena cava occlusion reduces pulmonary congestion without renal side effects.

Dynamic balloon implant resolves adjustment precision trade-offs by enabling intraoperative and postoperative volume control for glottic closure.

A dilation catheter features a removable bulbous tip at the distal end of a flexible shaft to expand anatomical passageways.

Radiopaque balloon catheters align with guidewire markers to eliminate parallax errors during interventional procedures.

A vesical pressure measurement system connects to an indwelling urinary catheter balloon valve for real-time bladder pressure monitoring.

An amorphous metal alloy core surrounded by a crystalline metallic sheath resolves the stiffness-flexibility trade-off in tortuous endoluminal navigation.

Radial visible light emission from a catheter lumen eliminates pathogens while protecting living tissue integrity.

A urinary catheter bypass lumen connects to a pressure transducer for continuous intra-abdominal pressure measurement.

Segmented electrodes and liquid flow paths maintain uniform surface temperature during non-coaxial contact, resolving inconsistent ablation outcomes.

Adhesive seals braided wire periphery within connector housing to prevent leakage and deformation during high-pressure fluid inflation.

Segmenting drainage ports with a perforated filter membrane distributes suction forces and prevents debris accumulation in retention drainage catheters.

A urinary drainage catheter with integrated electrodes delivers high-frequency current to relax the urinary sphincter.

A transnasal catheter uses an inflatable balloon chamber to stabilize against the gastrointestinal tract wall for precise optical imaging and tissue sampling.

An automated apparatus grips and stretches a film layer over an expanded base balloon using mandrels, grippers, and actuators.

A catheter flushing fixture uses a deformable exit opening to maintain a fluid-tight seal around the distal tip during liquid immersion.

Variable loop weft threads reinforce balloon catheters to increase burst pressure without thickening walls.

Electrohydraulic shock waves generated within a concentric tube balloon crack calcium deposits, enabling vessel opening at lower pressures.

An offset balloon decouples imaging stability from shaft movement, preserving consistent focal length during minimally invasive heart valve procedures.

Variable height linear protrusions create angled contact for effective lesion incision while maintaining smooth vessel insertion.

Segmented radiation tubes in a double-balloon catheter adjust angle and position via inner balloon inflation to eliminate hot spots.

Cylindrical electrospun dextran fibers dissolve to release thrombin and fibrinogen, enabling deep wound access where conventional bandages fail.

Retractable elongated anchoring members distribute stress on soft tissue while minimizing protrusion into the heart chamber during sutureless delivery.

A detachable processing unit recognizes connected catheters and retrieves calibration data from external databases for accurate signal measurement.

Segmented hinged tip and on-board OCT imaging resolve vessel trauma risks while enabling real-time lesion visualization during atherectomy procedures.

Catheter system acquires mucosal impedance data along the esophagus to generate condition probabilities, reducing reliance on invasive biopsies.

A segmented drug balloon catheter uses varied polymer coatings to manage precise drug delivery rates.

A porous bag member fills with therapeutic substance through an infusion tube and detaches from a sheath to remain in the brain.

Segmented frames nest to compress a temporary valve, increasing friction to reduce paravalvular leakage while maintaining a small crimped profile.

A flexible sheet holds detector assemblies containing radiation-sensitive beads to capture spatial dosage data.

Aortic perfusion catheter with balloon tamponade maintains selective body perfusion during aortic surgery.