Catheter TRIZ Cases

Rotating an off-axis optical fiber inside the catheter body reduces crossing profile and complexity while maintaining high-resolution imaging capability.

Transmitter unit applies digital anti-aliasing filtering and temperature compensation to medical telemetry signals.

Calibrates oxygen sensors using ambient air and atmospheric pressure signals to monitor kidney function through urine oxygen partial pressure.

A blood pressure measurement apparatus extracts envelope values from volume pulse waves to determine systolic and diastolic pressures.

Cooled light-transmitting surfaces compress tonsil tissue to induce controlled necrotic cell death, reducing postoperative pain and bleeding risks.

Low-density foam minimizes spillage of hydration liquid during package opening, resolving the trade-off between liquid retention and user convenience.

A catheter protective cover integrates a central dome and resilient retainers to stabilize the device at the insertion site.

A compliant balloon renal nerve ablation device with integrated sensors and bipolar electrodes reduces vessel trauma by conforming to tapered artery geometry.

Ablation catheter integrates sensing electrodes and an electronic control unit to dynamically adjust energy delivery based on tissue electrical activity.

A catheter clamp assembly uses a sliding cover with a prong to secure medical tubing in a defined channel.

Nested expandable electrodes move axially to shape pulsed electric field zones, sparing sensitive tissues from thermal damage.

Nesting a foldable biosensor inserter reduces medical waste and manufacturing costs by shrinking the device footprint.

Implantable fluorescence sensor reader purifies raw signals using cumulative emission and implant time tracking.

A portable sampling device uses a syringe pump and reservoir to extract blood from freely moving animals.

Varying exterior cut patterns create distinct flexibility zones, enabling navigation through tortuous arteries while maintaining support for clot aspiration.

A blood glucose measurement device stores verification data alongside continuous measurement signals to ensure data integrity.

A discharge section and switching mechanism remove accumulated charge from capacitive micromachined ultrasonic transducers during connector detachment.

Disposable puncturing unit with depth reference element drives needle to precise penetration, eliminating pain from inconsistent blood withdrawal depths.

Classifying complex activation signals via similarity measures resolves the trade-off between diagnostic information completeness and survey interpretability.

A catheter package incorporates a straightening apparatus with reversal features to correct shaft curvature during storage.

A wearable heart monitoring device integrates aptamer sensors with oxygen limiting materials to measure multiple analytes simultaneously.

High-density grid catheters compute peak-frequency metrics to isolate local electrical signals from cardiac tissue.

Segmented cassettes move independently along longitudinal axes to navigate tortuous vasculature, reducing device complexity and operator burden.

Dual cooling elements positioned on either side of target tissue overcome blood flow heat interference to create reliable transmural lesions.

Vacuum suction and microneedle structures on articulated segments stabilize ablation catheters against moving cardiac tissue, enabling precise steering.

Semiconductor biosensor with biofouling detector and temperature sensor for continuous biomarker monitoring.

Wireless power transfer to passive RFID tags eliminates battery weight while enabling accurate surgical consumable tracking and error reduction.

A partially implantable wireless monitor uses a flexible bulb to transmit compartment pressure data to external sensors for remote patient tracking.

Segmented protective cap seals sensor openings and needle, preventing air exposure that renders cartridges unusable when storage lids remain open.

Segmenting the sterile ferrule from the non-sterile receptacle prevents contamination while enabling reliable rotational alignment.

A single septum infusion site interface uses guiding means to align connector needles parallel to the skin surface for secure fluid coupling.

Segmenting AC and DC components differentiates arterial and venous volumes, overcoming signal attenuation to enable accurate noninvasive monitoring.

A hemodynamic parameter device recalculates systemic vascular resistance and compliance using real-time arterial pressure data.

Gradient paclitaxel shellac coating resolves insufficient therapeutic effect by ensuring effective transfer and release of the active agent to the vessel wall.

Photoacoustic catheter generates acoustic pressure waves to disrupt calcified vascular lesions.

An integrated analyte measurement system uses an electromechanical driver to control penetrating member velocity and position for precise blood sample generation.

Phospholipid bilayer membranes with selective transporter molecules resolve interference from electroactive species while maintaining measurement accuracy.

Conductive yarns knit into the sock textile supply power to embedded sensors, resolving signal collection issues across varying foot anatomies.

Multi-functional sensor unit integrates ECG sensing with magnetic field detection to track catheter location accurately.

A cranial anchor uses a cup-shaped retention member to secure medical devices along any implantation trajectory.

Segmented retaining arms counteract resilient valve forces to prevent tube disengagement, reducing pathogen exposure and glass breakage risks.

A universal catheter anchor uses a base with locating elements to hold fittings of various shapes and sizes.

Segmented PTFE and polyether block amide layers resolve the trade-off between proximal pushability and distal flexibility in tortuous vessels.