Catheter TRIZ Cases

Pulsed high-voltage electrode arrays isolate pulmonary vein tissue for rapid ablation while limiting heat buildup and healthy tissue damage.

Three non-collinear in-cavity sensors reconstruct ear canal shape and motion accurately without elaborate external measurement structures.

Real-time sensor feedback and pre-calibration stabilize laser ablation energy despite temperature drift and component aging.

A cooled wire inside a catheter adheres to thrombus for minimally invasive removal of large clot burdens while restoring blood flow.

Localized equalization drive circuits select electrodes per catheter to cancel procedural noise and improve electrophysiology signal accuracy.

Elastic fingers and jaw projections lock buttress material into slots, keeping it taut for secure stapling and easy removal.

A permanently joined locking and receiving unit uses elastic deformation and dual plastics to secure catheters with simpler handling and less skin irritation.

Multiple sealing members block blood and liquid ingress in a user-assembled CGM sensor, protecting internal parts and reducing infection risk.

A Venturi water flow draws cryoablation exhaust from a collection bag, dissolves the gas, and drains it safely without atmospheric release.

Input and output needles create continuous blood flow through a wearable patch, enabling on-body assays and real-time health result notification.

Annular optical sensors and matched light sources help correct finger misalignment for more accurate pulse and vascular signal detection.

Cryoadhesion stabilizes the left atrial appendage through subxiphoid epicardial access, enabling adaptable occlusion with less tissue trauma.

Real-time balloon pressure monitoring helps maintain tissue contact during cryoablation while warning against excessive force and complications.

Granger causality mapping across multi-electrode cardiac signals helps locate organized arrhythmia drivers despite low-resolution catheter data.

A plug-shaped head integrates pressure and temperature sensors with silicone encapsulation to protect electronics and support accurate ventricular pump regulation.

Wearable photoplethysmography and blood-parameter sensing enable home detection of febrile neutropenia and earlier provider alerts.

A flexible shock wave catheter uses coils or slits to cross narrow, tortuous occlusions without a guidewire, reducing vessel damage risk.

An adhesive retainer secures catheter wings, allows angle adjustment, and manages extension tubes while reducing suture time and infection risk.

A transmitter switch starts power only after inserter separation, avoiding shelf-life battery drain while keeping the analyte meter ready.

A single high-power laser is multiplexed across multiple light guides to treat closely spaced vascular lesions without overloading any one fiber.

A compartmented tray integrates a urine container, cover, and tubing passageway to keep Foley catheter collection organized and manageable.

Pre-assembled CGM attachment with built-in wireless communication simplifies body placement and lets users start monitoring at a stable time.

Microelectrodes with force sensing capture local MAP signals while limiting far-field interference to assess ablation quality and lesion formation.

On-board processing in modular electrode and catheter elements cuts receiving-unit load while supporting flexible sensor integration.

Helical pull wire routing in the non-deflectable sheath section reduces stored energy, preventing wire whipping and breakage during torque.

Stepwise bone gap distraction adds haptic force feedback for precise ligament balancing and safer implant placement during joint surgery.

Individually protected sensing sites are exposed over time to replace degraded enzymes and extend accurate long-term analyte monitoring.

A combined conductive-insulation connector shrinks analyte detector internals while keeping sensor-to-transmitter electrical contact stable.

Integrated IVUS/OCT imaging and pressure data create patient-friendly coronary blockage visuals that support PCI planning in one session.

A learned ECG timing model predicts a safe PFA delivery window after the T-wave and before the next QRS to avoid tachycardia.

A cover tube and short coil fixed section keep the curving axis stable, reducing kinking while preserving catheter pushability.

Laser-driven cavitation inside an IVL balloon creates targeted pressure waves to break calcified lesions with lower catheter complexity.

Replacing FEP process aids with non-crosslinked PEBA heat shrink tubing reduces voids, lowers catheter shaft assembly cost, and improves bonding.

A luer connector and sealable tube replace metal needles and rubber stoppers to cut blood collection cost, hazards, and spillage.

Multiple thermal sensors on flexible circuitry let the catheter maintain RF power for deep lesions while preventing tissue overheating.

A tapered unreinforced proximal lumen reduces catching and contact resistance, making guide wire insertion more reliable in reinforced catheters.

Force sensing and bioelectronic verification guide microneedle insertion, reducing skin damage and sustaining reliable biofluid access.

Band-stop filters isolate microwave channels in a shared surgical feed cable, enabling precise multi-frequency tissue treatment with minimal leakage.

Preset plunger positions limit syringe vacuum during VAD blood draws, reducing hemolysis and standardizing collection.

Wideband chaos generating metamaterials turn radar interference into usable signals for classifying and localizing targets with non-linear frequency responses.

Moveable holder structures enable secure on-skin attachment and low-force release of reusable and disposable medical device components.

Flexible hinged support inserts shorten unsupported catheter length, preventing buckling and kinking during advancement through curved access paths.

Superimposed EP parameters on a ripple map improve arrhythmia diagnosis by showing amplitude and fractionation in one cardiac view.

A via-based flexible electrode replaces swaging to mount non-metallic or asymmetric catheter sensors with reflow bonding and added fluid sealing.

A skin-mounted pivoting stabilizer secures a catheter at the stoma while accommodating body movement to reduce dislodgment and discomfort.

A dual-knob slide assembly tensions two control wires to improve bi-directional catheter deflection precision with lower handle complexity.

Post-cure heating plus gamma or E-beam irradiation strengthens elastomer tubing against bulging and cyclic pressure fatigue in medical pumps.

A ripple map GUI encodes EP amplitude, fractionation, and activity duration together to improve arrhythmia source identification.

A recessed hub pocket and retaining strap secure the catheter through a water-resistant sleeve without damaging the sterile cover.