Catheter TRIZ Cases

Continuous pressure and flow sensing helps localize hydrocephalus shunt obstructions without invasive testing or unnecessary surgery.

Impedance-based diagnostics assess electrode hydration, detect interferents, and fuse redundant glucose sensor signals for earlier, more reliable readings.

A transcatheter pulmonary vein sensor enables real-time cardiac pressure monitoring while preserving the atrial septum for future procedures.

An internal reference electrode inside an expandable mapping catheter reduces unipolar ECG noise and improves LAT annotation accuracy.

Recessed and grooved irrigation paths spread cooling fluid evenly across the ablation site to limit hot spots, charring, and thrombus.

Backflow thermocouples trigger automatic tank pressure adjustment to match treatment demand and reduce working medium waste.

An ambidextrous catheter handle preserves tactile feedback while enabling multi-DOF articulation through minimally invasive pathways.

Controlled mold temperature and cycle time sterilize embedded lancet needles during molding, reducing post-manufacturing gamma processing.

Localized cryogenic cooling induces Wallerian degeneration in sensory nerves, extending osteoarthritis pain relief with minimal invasiveness.

An analyte sensor adjusts calibration intervals from indicator degradation rates, reducing unnecessary checks while maintaining glucose monitoring accuracy.

Dynamic time warping aligns glucose waveforms across periods, preserving clinically significant features for clearer trend analysis.

An elastic sealing member uses axial compression, thick and thin regions, and rigid support to hold insertion members liquid-tight.

A deflectable catheter exposes an energized wire segment to cut valve leaflets, simplifying laceration and helping prevent coronary obstruction.

A cradle, clamp, and cutter combine to grip a catheter, trim its proximal end, and connect it to a port with fewer tissue-pocket tool insertions.

Flexible catheters uncoil through a sheath, then form a spherical coil in the bladder for broader, more precise radiation coverage.

A deflectable catheter exposes an energized wire to cut valve leaflets, simplifying BASILICA-like laceration and limiting coronary obstruction risk.

One balloon catheter alternates heated fluid and freezing liquid at the target tissue, avoiding reinsertion while improving ablation completeness.

An implantable enzymatic sensor balances electrode area, membrane thickness, and enzyme loading to preserve signal quality without increasing discomfort.

Quantify ventricular repolarization dispersion and T-wave complexity to flag likely NSTEMI when conventional ST elevation is absent.

A drape-piercing connector forms a precise fluid path to the wound site, reducing leakage during prolonged negative-pressure treatment.

A steerable catheter and coolant channels guide microwave ablation to difficult lung regions while limiting heat along the pathway.

A wearable fuel-cell sensor continuously measures transdermal alcohol while accelerometer and temperature checks flag removal and tampering.

Separate dielectric and sheath parts let the radiating tip flex through winding passages, improving targeting and limiting healthy-tissue irradiation.

Electrogram analysis traces paths from earliest activation sites and highlights statistically consistent regions to streamline abnormal rhythm mapping.