Catheter TRIZ Cases

This case uses a stomach-placed cooling balloon catheter to cool the pancreas, reduce inflammation, and avoid systemic hypothermia.

A slave-side apparatus remotely conveys guidewires and catheters, simplifying procedures while reducing radiation exposure for doctors.

A catheter microwave element enables targeted renal neuromodulation while addressing drug-related side effects through dielectric heating.

A temporary buffer and prioritized memory capture critical PVC episodes while reducing ECG transmission and storage demands.

To address reperfusion injury, one catheter delivers 670 nm light for nitric oxide release while detectors monitor tissue oxygenation.

Flexible splines and dense electrode arrays conform to moving cardiac tissue, improving orientation-independent mapping and ablation.

Pre-hydration and biasing shorten analyte sensor break-in for earlier accurate readings.

This catheter uses a bi-stable basket to stabilize deployed shape, electrode contact, and signal quality during cardiac mapping.

A body-transmitting light source and scattering tip illuminate the stomach for simpler, safer tube placement confirmation.

Separate compartments let the receptor contact biological material while a barrier protects circuitry for prolonged sensing.

A segmented coupler stabilizes the expandable basket and balloon during navigation, while sensors detect balloon inflation states.

A catheter delivers and captures light for correlation analysis, directly estimating blood flow velocity and supporting FFR assessment.

A modular carrier, dual springs, and adhesive base guide analyte sensor insertion while limiting damage and patient discomfort.

A preassembled applicator uses a locking hook to couple sensor and base units, simplifying secure skin attachment.

A protruding base unit and insertion mechanism simplify sensor placement, activation, and stable adhesion during skin attachment.

A resilient valve regulates PIVC blood flow and suction pressure, reducing hemolysis and blood spillage.

A parallel slider engages the sensor’s annular structure for secure attachment, automatic release, and simpler installation.

Segmented multi-filar cut patterns vary along the catheter body to support tortuous navigation while preserving lumen stability.

A pre-assembled glucose sensor applicator simplifies attachment and user-timed monitoring.

A secondary fluid circuit precools the primary stream, helping flexible cryoprobes form suitable ice balls at reduced pressure.

Impedance measurements support analyte sensor drift compensation, membrane damage detection, and fewer blood glucose meter calibrations.

This case uses an actuator and locking member to deploy subcutaneous anchors, reducing catheter dislodgment without tape or sutures.

Molecularly dispersed PCPP in non-elastomeric plastic avoids burst release and mechanical degradation in catheter attachments.

Zwitterionic compounds and diffusion resistance domains stabilize glucose sensor flux and reduce protein adsorption fouling.

Nested elongate members expand from a catheter profile to map tissue, orient the device, and place cardiac ablation lesions.

Separate sensor zones support compatible deposition of aptamer and enzymatic sensors for continuous multi-analyte monitoring.

A spatial illumination pattern and variable focus plane improve handheld 3D surface scanning without fixed scanner positioning.

Axial splines mechanically grip microbore tubing, preserving retention and sealing when fluid pressure or bonding area is reduced.

Blood-pool noise baselines improve fractionated-signal detection from chamber-wall IEGMs, helping localize arrhythmogenic regions.

Real-time TEE and magnetic-field control focus radiation on cardiac targets while reducing exposure to the esophagus and healthy tissue.

Separate electrodes at different depths compare signal changes and rate of change to validate glucose readings during occlusion.

This case separates urine receiving from drainage to reduce discomfort, spills, and contamination for bedridden users.

This case combines LAA ostium twisting with radiofrequency or cryoablation to address leakage, migration, and AF recurrence.

This case separates reusable and sterile components to reduce waste while improving insertion accuracy and limiting tissue trauma.

A PPA/COC blend replaces layered catheter support components, reducing separation risks while maintaining flexibility and strength.

Chromophore-functionalized microneedles use shallow optical sensing to monitor multiple analytes continuously without motion artifacts.

A layered distal tip with marker band and jacket supports flexible catheter navigation through tortuous, calcified vasculature.

A preassembled sensor with integrated wireless communication simplifies attachment and lets users start monitoring after stabilization.

Divergent catheter spines position bipole microelectrodes for consistent tissue contact and more accurate myocardial signal detection.

A vapor bubble clears liquid from the laser path, reducing energy absorption.

This case uses superelastic alloy spines with varied flexibility to improve cardiac signal sensing and reduce electrode detachment.

A reversing element and slack limiter simplify wire control while improving precision in steerable catheter deflection.

Microwave catheter delivery enables targeted renal nerve modulation with less collateral heating.

A balloon-and-wire catheter with a rotatable cutter splits the anterior mitral leaflet before TMVR to reduce LVOT obstruction.

A spatially patterned light source and varying focus plane separate in-focus data for rapid handheld 3D scanning.

This case separates skin-penetrating microneedles from packaging contacts to prevent standoff and preserve electrical communication.

An expandable dielectric member delivers capacitive RF energy for rapid, uniform endometrial ablation while limiting organ injury risk.

A mapping model trained on patient-agnostic data and retrained with patient-specific data improves electrode positioning during mapping.

Histograms analyze signal distributions and set display ranges and scales, making dense electrophysiology maps easier to interpret.

A skin-attached base and pivoting retainer secure catheter tubes while accommodating movement and reducing discomfort from pulling.