Balloon Catheter TRIZ Cases

A balloon catheter manufacturing method stabilizes the parison during blow molding using a mold with rotation preventing portions and an external fixing member.

Segmented cage strips with wedge dissectors expand around the balloon to prevent dog boning and minimize drug dilution.

Radial outflow openings in the injection needle prevent tissue cutting and bleeding, while adrenaline suppresses blood flow to maintain surgical field clarity.

Segmenting the shaft into a tubular body and stiffening member reduces overall diameter while maintaining column strength.

A balloon catheter inner tube shaft uses a high optical absorption layer to fuse with an outer tube shaft using heat-generating light.

Lobed inner balloon creates channels to direct irrigation fluid through spray ports on the outer catheter.

Spiral restriction elements reduce the outer diameter of a balloon catheter while maintaining pliability for navigating tortuous vessels.

Hydraulic inversion of an everting balloon eliminates shear forces during cervical dilation and urethral access.

A four-way indwelling bladder catheter integrates a central lumen for cystoscope insertion alongside drainage and balloon inflation ports.

Incorporating graphene into polymer layers creates a composite wall that withstands high inflation pressures without bursting.

Catheter-based cutting system precisely bisects tough valve leaflets, avoiding open-heart surgery trauma and extracorporeal circulation.

A sealed intraluminal chamber delivers high-concentration chemotherapy directly to target tissues, preventing systemic toxicity and adverse effects.

An inflatable anchor expands radially to secure the catheter within the epidural space.

Translating an inner support member reduces the inflatable balloon tamp profile, enabling easier cannula insertion while maintaining structural integrity.

Inflated expandable member creates physical barrier preventing proximal reflux of treatment fluids during catheter delivery.

A medical device drive apparatus calculates force via sub-movable portion acceleration to enable precise guide wire control.

Projecting distal sensor data onto the proximal axis corrects shape tracking errors, resolving measurement precision versus device complexity.

Gas-filled anchoring balloons and corrugated shafts reduce mechanical erosion to bladder mucosa while maintaining large drainage lumens.

Polymer coating on balloon catheter transfers water-insoluble drugs to tissue, reducing systemic toxicity from non-diseased exposure.

A bypass catheter with a semi-permeable membrane filter captures debris and emboli to restore blood flow and prevent ischemic injury.

A needle-mounted balloon system creates bone cavities through inflation and deflation cycles.

Nested inner and outer stents lower the delivery profile of an artificial heart valve, enabling safer implantation in patients with small femoral veins.

An impedance catheter measures conductance to calculate luminal cross-sectional areas and pressure gradients.

An inflatable perfusion balloon integrates an external valve system to regulate fluid passage through internal cells during medical procedures.

A pigtail catheter uses a compliant expandable member to identify surgical valve extent.

Lipophilic antioxidants in the coating formulation reduce drug loss during handling and delivery to the target site.

A flexible bulb compresses air through a catheter to inflate an internal balloon for object retrieval.

A multi-lumen catheter uses fluid lumens to expand and contract an occlusion element for precise blood flow regulation.

Self-expanding shape-memory flanges engage tissue while a balloon plastically expands the inner tubular frame to resolve deployment precision trade-offs.

Stretching a protective tube over an expandable element reduces the catheter outer diameter to navigate narrow vascular lesions.

Vibrating wire abrasives on the balloon surface cut calcified plaque at lower inflation pressures, reducing vessel injury and restenosis risk.

Expandable balloon delivers drug coating to nasal or throat tissue, bypassing mucus barriers to maintain therapeutic levels.

Vent-formed balloon protrusions improve fixation force and stability in surgical access devices.

A bidirectional pump mixes therapeutic beads with liquid before a low-speed pump injects the suspension through a catheter.

Reducing hepatic arterial pressure via balloon occlusion extends local exposure to bioreductive agents.

Selective balloon inflation axially shortens the catheter skeleton, eliminating hysteresis and friction to improve articulation precision.

Thermal expansion secures a modular catheter adapter inside a parent module, enhancing versatility without increasing inventory complexity.

Segmented catheter design with a flexible stylet tip reduces tissue damage risk while maintaining consistent fluid flow.

Radial incisions segment existing valve leaflets, creating coronary access windows that prevent obstruction during transcatheter heart valve replacement.

Axial pulling straightens balloon bends to eliminate eccentric rotation during coating, ensuring uniform drug thickness and morphological control.

A laser-induced pressure wave catheter sheath generates mechanical energy to disrupt vascular blockages.

Tubular braided element expands to apply controlled wounding pressure, reducing trauma to surrounding tissues during vein ablation.

Computerized system monitors retrograde venous perfusion using a multicatheter setup for real-time fluid flow control.

Polysaccharide coating prevents active agent washout by blood stream, maintaining effective vessel wall concentrations.

A valve system with a one-way valve and compensator regulates fluid flow in inflatable medical devices.

An expandable balloon catheter isolates the thoracic duct to prevent blood reflux and valve damage during lymphatic procedures.

A dual balloon catheter infusion system uses a slide actuator and seal wire to enable rapid self-deflation of the occlusion balloon.

A curved shaft sinus finder device uses an extensible guide wire to locate and dilate paranasal ostia.

A multilayer balloon catheter shaft integrates an expandable balloon structure to provide controlled distension and high burst strength.