Balloon Catheter TRIZ Cases

A rotatable member and support member rotate a balloon catheter during spray coating to eliminate wobble and ensure uniform deposition.

A stretch valve mechanism in a balloon catheter lumen automatically releases inflation fluid to prevent over-inflation injuries.

Segmented frame and sleeve structures with varying elastic moduli enable navigation through tortuous radial arteries while resisting compression buckling.

Liquid injection displaces air from the balloon cavity through a hydrophobic tip, preventing thermal damage and reducing surgical time.

Balloon anchors catheter in subintimal tract while angled needle penetrates fibrous cap, enabling reliable guidewire re-entry into true lumen.

An infusion catheter uses inflatable balloons to seal the uterine cavity and deliver therapeutic agents directly to the target site.

An adjustable balloon length mechanism elongates the deflated balloon to reduce retrieval forces and promote efficient refolding.

A measurement adapter connects to bladder catheters and holds sensors to detect urine conditions in the flow path.

A low profile balloon catheter advances over a wire guide using a soft tip for protection.

An A-V dialysis graft uses a reduced diameter portion to create flow resistance and manage blood pressure.

A cutting balloon uses textured surfaces to enhance traction and bonding strength.

An intermediary adhesive layer maintains uniform paclitaxel transfer to vessel walls, reducing restenosis incidence.

An expandable anchoring skirt secures a prosthetic heart valve to the annulus via radial expansion.

An integrated catheter assembly merges scoring and drug delivery functions to treat multiple plaque sites without increasing device complexity.

A pressure-sensing catheter uses a fluid column in a monitor lumen to transmit pressure changes from the patient cavity.

A coapting element adjusts size to allow blood flow during diastole and seal against the valve during systole.

A temporary bypass catheter redirects blood flow through proximal and distal openings to maintain perfusion during clot treatment procedures.

Coextruded fiber layers embedded in a thermally-weldable polymer matrix create a uniform medical balloon wall.

Segmented lumens maintain minimum conductance during contrast injection, preventing dead zone formation and thrombus risk in the vasculature.

A combined sinuplasty seeker instrument integrates a position sensor and light source into a single dilation catheter for precise anatomical navigation.

Segmenting balloon control distributes force across a larger surface area, improving displacement precision while reducing injury risk.

Coextruding radiopaque material directly into the balloon wall eliminates marker band misalignment and reduces iodine exposure from contrast agents.

Helical catheters collapse for insertion and expand to secure radiation sources, reducing seed migration and simplifying dose planning.

An information processing system reads stored pressure data from a used balloon catheter to determine reusability, reducing medical waste.

Self-sealing flexible membrane prevents balloon rupture during deflation, ensuring safe extraction without stomach wall agitation.

A powered syringe assembly drives a plunger via a motor and pinion mechanism to manage endovascular device operations.

Intersecting tube motion prevents balloon deformation during coating while enabling precise control of drug crystal morphology.

A telescopic balloon catheter uses a puller-wire to compress the distal assembly, resolving maneuverability and vascular trauma trade-offs.

Skived and inverted bond interfaces secure the balloon to the catheter shaft using reflow jackets, preventing peel-back while minimizing outer diameter.

Fenestrated mesh balloons apply mechanical tension to stimulate bowel elongation while delivering local growth factors.

Dual balloon catheter uses spline ports to eject coolant, creating precise radial-linear lesions without manual tracing.

A liquid control system manages fluid flow between a syringe pump, reservoir, and balloon catheter via a switching controller.

A cervical ripening balloon retracts its fluid delivery tube into the vagina, removing external tubing that restricts patient mobility and causes discomfort.

Vapor deposited parylene encapsulates balloon electrodes, preventing delamination during expansion cycles while maintaining device flexibility.

Low elasticity fibers constrain balloon expansion to distribute dilation force evenly, reducing vessel wall trauma while effectively treating resistant plaque.

Stiffening ribs and a distal lip reinforce the syringe body to prevent bursting under high pressure, resolving strength versus ease of operation trade-offs.

Fluid jet propulsion system directs high-velocity jets through balloon orifices to fracture vascular lesions via inertial impulse.

Temporary coronary sinus displacement reshapes the mitral valve annulus, reducing anatomical trauma while enabling permanent fixation.

A stretch valve mechanism automatically deflates a balloon catheter upon elongation, preventing urethral tearing and bleeding caused by uncontrolled inflation.

Radially directed fluid jet streams ablate thrombus within blood vessels while an exhaust regulator manages effluent aspiration.

Inflatable balloons on a sleeve create a static side wall to resolve limited visualization in complex anatomies.