Balloon Catheter TRIZ Cases

Hydrated crystalline paclitaxel on a polyether-polyamide balloon resolves the trade-off between handling adherence and rapid vascular absorption.

Segmented delivery catheter navigates vascular anatomy to deploy a modular heart valve prosthesis, preventing migration and reducing vascular complications.

An integrated catheter system uses a stopper to prevent bacterial contamination during ERCP procedures while enabling precise medicinal agent volume management.

Positioning the dispensing tube at an angular deviation from the reference plane controls drug morphological form and reduces mechanical burden on the balloon.

An inflatable balloon deflects a flexible tubular member to enable retrograde re-entry into the true lumen, solving difficult subintimal recanalization.

Inflatable balloons redirect blood flow through a catheter bypass route during vascular procedures.

Merging diagnostic electrodes into a steering pull wire band eliminates separate catheters to improve atrial fibrillation treatment precision.

A steerable atherectomy catheter uses a deflectable cutter housing to navigate tortuous vessels and remove occlusive plaque.

A catheter with a pre-defined bend and dilation balloon creates a submucosal pocket for targeted therapeutic agent placement.

Extracting pathological duodenal mucosa tissue removes the source of impaired glucose homeostasis, reducing hypoglycemia risk from intensive insulin therapy.

A catheter system uses a retractable engagement member to align an endoscope within its lumen for precise positioning.

Integrating the guide member eliminates separate guidewire steps, reducing procedure time and radiation exposure during sinus dilation.

Expandable shape modification member conforms to stomach tissue, resolving precision complexity trade-offs in sleeve gastrectomy.

Spacer fabric distributes stress on prosthetic leaflets, reducing paravalvular leakage and extending valve longevity.

Segmenting the reinforcement member into independent sleeves allows the balloon to navigate meandering body lumens while resisting high internal pressures.

An integrated polymer cuff on a balloon expandable frame reduces vascular trauma and leakage risk during transcatheter implantation.

Merging crossing and treatment functions reduces procedural complexity while maintaining catheter robustness.

Outer coating fills a slit in the metallic distal end tip to anchor firmly, smoothing the surface and preventing catching on lesions.

A steerable catheter with segmented balloon elements enables selective inflation and targeted drug elution within vascular structures.

Internal heating changes balloon elasticity, enabling expansion at 500 kPa or less to prevent tissue damage.

Moveable anchors and angled struts anchor a replacement valve in the mitral annulus, reducing surgical risk while maintaining durability.

A catheter pressure sensor uses a liquid column to transmit pressure while isolating the electronic component from conductive fluids.

Pivoting arms on a movable sleeve radially expand a rubber ring, eliminating complex link mechanisms during single-handed fitting.

A nested coaxial cannula design uses spiral openings in the outer tube to balance pushability and flexibility while maintaining structural integrity.

Coiled conductive substrates feed through lumens to bond as band electrodes, eliminating tedious wire connections and reducing manufacturing complexity.

Segmented elastic members translate and expand to linearize the colon, eliminating the need for skilled manual insertion techniques.

Dual-layer occlusion balloon uses radial collapse of the inner member to prevent vessel leaks and dislodgment during inflation.

Active valve in catheter drainage lumen minimizes fluid transit time, enabling accurate dissolved oxygen measurement without increasing device stiffness.

A helical clip stabilizes artificial valves by collecting native chordae, reducing surgical time and leakage risks during complex heart valve replacement.

Balloon segmentation prevents lymphatic leakage during fluid removal procedures.

External fluid injection via expandable needles achieves uniform nerve ablation without causing renal artery stenosis or patient pain.

A catheter control assembly injects fluid into an inflatable retention element to measure pressure parameters for functional assessment.

Varying strut widths creates an elliptical heart valve prosthesis that matches native anatomy and reduces para-valvular leakage.

A weeping balloon catheter uses a combination lumen to route therapeutic agents through a radial clearance between the wire guide and the lumen wall.

A multi-lumen sinus catheter dilates tissue while simultaneously irrigating the cavity and removing fluids through a dedicated suction lumen.

A catheter with a mechanical agitator disrupts occlusive material in blood vessels.

Deployable anchors on a transseptal cannula secure placement across the intra-atrial septum, reducing invasiveness compared to open-heart surgery.

A self-expanding valve prosthesis frame incorporates a localized flexible region to reduce outer diameter during delivery.

Integrating a sensor coil into the shaft replaces external light guidance with direct electromagnetic tracking, reducing invasive steps during sinus dilation.