Balloon Catheter TRIZ Cases

See how integrating an embolic filter with the catheter shaft eliminates separate protection de

A movable sleeve with an elastomer liner and seal keeps a dysphagia catheter accurately positioned while reducing tube damage, fluid ingress, and discomfort.

Micropatterned balloon surfaces raise friction in wet tissue contact, helping implants stay anchored with less tissue damage.

Resilient free-edge barrier sections seal gaps between moving drive modules to preserve sterile separation in robotic catheter procedures.

A movable snap-fit sleeve secures electrode placement on a dysphagia catheter while sealing against aspiration and limiting tissue pinching.

Resilient edges track robotic drive module motion to preserve sterility and simplify single-operator catheter exchange.

Replaceable grooved rollers keep catheter handling hygienic while improving transfer direction control during remote medical robot operation.

Expandable cage strips around an angioplasty balloon improve plaque cleavage predictability, limit dog boning, and protect drug coating delivery.

A ring-and-strip cage constrains angioplasty balloon expansion to prevent dog boning, protect drug coating, and improve plaque dissection.

A docking station stabilizes the GI balloon check valve in the stomach, enabling precise volume adjustment with less trauma.

A bypass flow path and position-switched powder chamber stabilize pressure and flow while reducing clogging and catheter kinking.

A loop-guided catheter aligns with an immobilized GI balloon valve, enabling in-stomach volume adjustment with less tissue trauma.

Ultrashort laser pulses add catheter surface features while preserving polymer morphology, strength, elasticity, and predictable burst pressure.

A flexible coupling keeps annular double lumen tubes easy to connect while maintaining fluid flow and bendability without rigid spacers.

A rotating balloon and moving dispensing tube improve coating uniformity and drug morphology control for better release and tissue transfer.

A movable container and bypass flow path separate propellant and material delivery to reduce clogging and keep endoscopic dispensing pressure stable.

A ring-and-strip cage around an angioplasty balloon limits dog boning, reduces drug dilution, and improves contact with diseased tissue.

Flexible concentric tube coupling maintains annular flow and easy mating by allowing radial tube movement without kinking.

Replaceable roller cartridges keep catheter-driving surfaces hygienic while independently driven rollers improve transfer accuracy in medical robots.

An interlocked assisting shaft centers and supports the balloon catheter tip to prevent bending, back folding, and uneven wing formation.

Direct annular tube coupling removes converters, maintains sustained flow, and reduces kinking and patient discomfort in irrigation catheters.

A free-moving inner tube keeps the annular gap open without radial struts, sustaining flow and flexibility in catheter tube connections.

An endoscopic docking check valve aligns and stabilizes a GI balloon valve for controlled in-stomach inflation or deflation with less tissue trauma.

Ultrashort low-heat laser pulses create balloon surface features while preserving polymer morphology, elasticity, friction, and burst consistency.

A dual-lumen microcatheter uses balloon occlusion and flow restriction to localize embolic delivery and limit non-target vessel flow.

Oblique fenestrations and expandable anchors let one arterial cannula perfuse both proximal and distal vessel regions while reducing limb ischemia risk.

Crystalline limus coating on balloon catheters improves vessel-wall transfer and keeps therapeutic drug levels longer to reduce restenosis.

A quadra-axial catheter setup uses progressive stiffness to reach cerebral arteries through a tortuous aortic arch with less prolapse and delay.

An expandable cannula captures clots en bloc while filtration and reinfusion return aspirated blood, reducing fragmentation and fluid loss.

A resilient switch built into the catheter enables manual drainage adjustment and simpler valve control at lower complexity and cost.

A distal sleeve inner reinforcement prevents balloon catheter kinking, buckling, and elongation while preserving trackability and flow.

Real-time contact sensing and directional guidance help align catheter electrodes with tissue and protect expandable distal assemblies during withdrawal.

A spiral-cut support and scoring wires improve catheter pushability, trackability, and kink resistance in tortuous vessels.

A confined ionic-current channel enables longer electrode arcs in a fluid-filled balloon, boosting plaque-breaking shock waves while limiting heat.

A slit expandable support catheter and loading tool enable insertion or removal over in-place interventional devices, improving backup support and procedure flow.

Flow openings in a floating hypotube relieve stagnation and trapped air, improving balloon catheter priming, inflation, and deflation.

Relative movement of two linear members lets a catheter base detect tip curvature and direction without increasing shaft dimensions.

Saline dilution and blood-property sensing detect cardiac cavity occlusion without contrast fluid, avoiding allergy risks and fluoroscopy limits.

Notched linear parts on the balloon surface improve bending through curved vessels while reducing protrusion and insertion resistance.

Tracks balloon catheter diameter in X-ray image sequences to detect inflation and deflation timing with less manual error.

A reinforced dual-lumen catheter uses purge ports and de-airing channels to remove air while preventing balloon deflation in neurovascular use.

Fluid-coupled balloons convert anal sphincter contractions into pressure feedback while applying overload to strengthen muscles and reduce incontinence.

Negative pressure in the uterine cavity both evacuates pooled blood and quantifies postpartum blood loss for faster hemorrhage control.

An occluder assembly and cannulated tube maintain pneumoperitoneum, secure the balloon, and support separate gas and fluid injection.

Controlled balloon expansion within the foramen relieves lateral stenosis while reducing bone resection, nerve injury risk, and tissue trauma.

Inflating the balloon inside a tubular object centers the projecting portion, enabling neat folding without crushing and improving lesion dilation.

Localized protrusion geometry helps the balloon catheter enter body cavities easily, improve pushability, and incise calcified or ISR stenosis.

A separate inflation lumen simplifies balloon catheter assembly, cutting part count and manual steps while preserving guide wire and inflation functions.

An expandable stented valved tube prosthesis lets pediatric heart valve implants be upsized percutaneously as the child grows, reducing repeat surgeries.

An outer-inner catheter with an expandable chordae deflector enables antegrade valve delivery while avoiding mitral damage, bleeding, and stroke.

Controlled retrograde carotid flow diverts embolic debris away from the brain, simplifying stenting and avoiding distal filter limits.

A deformable lumen opens after navigation to prevent particle clumping and improve contrast flow in microcatheter agent delivery.

A fixed and unfixed shaft layout reduces rigidity differences in dual-balloon catheters, helping them pass bent blood vessels without kinking.

Multiple fluid-connected inflation chambers help an LAA occluder conform to complex appendage shapes and seal the ostium to reduce thrombus risk.

Transient blood temperature changes near each balloon electrode reveal tissue contact, improving ablation positioning without fluoroscopy.

Balloon pressure and clinician actuation jointly gate therapeutic agent pressurization, preventing premature delivery before vessel-wall positioning.

A side drainage port placed distal to the balloon improves bladder emptying while reducing bladder wall irritation, mucosal damage, and infection risk.

A segmented shaft and transparent tubular member improve endoscope removability while keeping the optical fiber centered for accurate tissue irradiation.

Staggered pushing portions and swing arms expand and release an elastic tubular member with less twisting for stable mounting on rod-like bodies.

Pressure sensing and timed pump cutoff keep a catheter retention balloon inflated enough for secure placement without over-inflation.

A collapsible annular frame with a smaller inflow end and outer skirt reduces crimped diameter for less invasive heart valve delivery.

A catheter creates a localized low-pressure zone near lymphatic outflow to relieve fluid overload without causing hypotension or renal dysfunction.

Discrete reinforced and filament-free balloon regions balance expansion strength, deflation control, and narrow-path navigation for valve treatment.

An internal balloon and adjustable external bolster anchor the thoracostomy tube while antimicrobial coating helps limit bacterial seeding.

Reflow jackets and embedded braid structures strengthen balloon-to-shaft bonds while minimizing the catheter’s outer profile.

Passive stents and balloons may limit local drug concentration; an oscillating receiver transfers electromagnetic energy to improve tissue penetration.

Clot corking can block aspiration catheters; cyclic vacuum and uncorking fluid restore flow and help confirm complete thrombus removal.

Wire-wrapped sleeves reinforce the inflation lumen to limit kinking while preserving catheter flexibility for tortuous vascular navigation.

PVD deposits patterned metal on polymer medical balloons while a metal stencil and cooling path limit heat and preserve balloon integrity.

Integrated occlusion balloons and a flow-controlled shunt establish retrograde carotid flow to limit emboli during intervention.

Circumferential openings distribute heated anesthetic and adrenaline through tissue, supporting uniform thermal doses while reducing blood-flow cooling effects.

Ultrasound-guided catheters create a vascular fistula and deploy a prosthesis to divert blood around lower-extremity occlusions.

Separate inflation lumens vary the outflow aperture for precise flow control, avoiding repeated deflation during endovascular treatment.

A multi-emitter catheter uses constructive interference and high-voltage spark gaps to direct force toward dense calcifications.

A blade or needle fractures calcified or fibrous lesions while a separate balloon expands small vessels with controlled force.

Inflatable positioner and traction balloons improve tissue control while limiting trauma during complex cardiac procedures.

A movable magnetic handpiece anchors colonoscopic guides without balloon friction or tissue damage.

An expandable anchor and mateable valve assembly support transcatheter treatment while preserving native leaflet function.

An integrated ultrasound device and working channel support real-time imaging, instrument alignment, and fewer swaps in hysteroscopy.

A pre-coated balloon delivers therapeutic agents at strictures while controlled dilation and water-soluble additives support absorption.

Reinforced hollow guidewire with magnetic sensor navigates narrow ENT channels, inflating a balloon to dilate obstructions without bursting.

A dual-lumen catheter supplies a contrasting agent mixture to resolve limited visualization in retrograde PCNL, enabling precise calyx access.

Sensors detect balloon pressure to provide real-time feedback, resolving inconsistencies in manual uterine positioning.

Radiopaque markings on a medical balloon identify the drug-coated working surface, resolving misalignment issues during angioplasty procedures.

Helically coiled perfusion catheters seal vessel perforations while maintaining blood flow through the porous balloon structure, preventing ischemic damage.

Multi-conduit balloon catheter combines suction, irrigation, and endoscope channels to maintain clear visualization during sinus dilation.

A modular catheter adapter uses a temperature-responsive coil to expand and secure within the parent lumen for device modification.

A single channel catheter with an elastic inflation device enables precise positioning and therapeutic interventions in deep pulmonary lesions.

A multi-sensor catheter uses Fabry-Perot optical sensors to monitor cardiac hemodynamics.

Long-block PEBA copolymers resolve the trade-off between tensile strength and compliance in catheter balloons by enabling thinner walls without bursting.