Catheter TRIZ Cases

An optical analyzer aligns a fluid conduit with a light source and detector to measure spectral data from biologic specimens.

A flexible cardiac cryoprobe integrates active thawing via a resistance wire with real-time electrical conductivity measurement.

Electroporation pulses generate pressure waves that disrupt calcific atherosclerotic lesions, reducing restenosis risk.

Integrated catheter sensors measure pressure and ammonia to resolve precision-complexity trade-offs in TIPS procedures.

A fluid connector switches between main and auxiliary paths using a movable body to route flow automatically.

Patient-specific ablation catheters shaped to left atrium anatomy reduce procedure time and improve success rates by ensuring complete pulmonary vein isolation.

An ablation applicator uses a particle-filled matrix to manage heat transfer during tissue treatment.

A spacer tip prevents bubble collapse to reduce retro-repulsion, minimizing stone movement and shortening procedure time.

A catheter tip uses a spherical joint and compliant member to measure deformation via strain gauges or piezoelectric transducers.

An angled insertion head reduces packaging volume by nesting a puncturing needle within a flexible cannula and housing.

A universal catheter securement device uses locating elements and restraining mechanisms to hold various catheter shapes.

Segmenting the housing into a functional and protective component reduces mechanical influences on the sensor without blocking access to the insertion site.

An axially displaceable outer sleeve seals portions of a multi-opening catheter tube, enabling adjustable local fluid delivery while preventing tissue ingrowth.

A unified health and security management apparatus consolidates patient vital sign tracking, home security alarms, and automation control into a single processing unit.

Elastomeric sheath and stretchable gasket ring seal catheter to prevent contamination gaps.

A patient monitor generates a touchable interface element to modify alarm functionality during clinical tasks.

Cryotherapeutic devices with integral multi-helical balloons cool renal sympathetic nerves, reducing side effects from pharmacologic treatments.

Automated pullback triggering analyzes real-time image intensity data to initiate imaging, reducing contrast agent usage and nephropathy risk.

A lancet device uses a sliding sleeve to lock the punch element after puncture, preventing accidental re-entry of the sharp tip.

Segmented flexible substrates deform into central channels to retain catheters, eliminating tape-related infections and skin irritation.

Spirally wound invasive multi-electrode sensors resolve the trade-off between continuous monitoring capability and production cost.

Segmenting the catheter channel creates varying suction zones that secure tissue flaps, resolving incomplete cutting issues in ELANA procedures.

A laser measuring arrangement generates a cone-shaped beam to detect ear canal geometry via triangulation.

An implantable blood pressure monitor uses extendable arms to detect vessel pulsations and transmit real-time data wirelessly.

Multi-wavelength optical sensor compensates for body motion artifacts to maintain measurement reliability during chronic ambulatory patient monitoring.

Optimizes electrode spacing and coil placement in implantable glucose sensors for accurate impedance measurements.

Resistive sensing in an expandable catheter measures lumen size to normalize ablative energy delivery and prevent treatment errors.

An implantable medical device establishes personalized alarm thresholds by monitoring patient-specific physiological baselines.

A thermal sensing catheter applies sub-threshold energy to tissue and measures the resulting temperature changes to locate anatomical structures.

Integrating the core wire into the tubular jacket wall increases internal volume for sensors while maintaining flexibility and pushability in tortuous vessels.

A method reconstructs a 3D hollow organ model using fluoroscopy images and catheter withdrawal path data.

Correlating blood glucose reference samples with sensor measurements to estimate concentration.

Segmenting multi-electrode data reduces signal interpretation complexity while enabling precise identification of focal arrhythmia sources.

Friction-based locking replaces discrete pins to allow continuous positioning, resolving the trade-off between reliable stability and flexible adjustability.

Liquid impermeable barriers allow water vapor to hydrate hydrophilic coatings without liquid contact, preventing sterilization damage and spill hazards.

Synchronized multi-sensor data fitting computes pre-ejection period, resolving measurement precision versus device complexity trade-offs.

Expandable arterial wall locator centers drilling mechanism to prevent guidewire damage during calcified plaque treatment.

Standard light transmission mechanism splits and interferes reference light to detect amplification performance degradation from vibration.

Segmented rigidity and coordinated line pulling prevent rotational shortcuts during outward bending in curved vessels.

Nested spines expand a basket electrode assembly to increase mapping coverage while maintaining a small insertion diameter.

Non-x-ray detection devices capture real-time image and position data to generate virtual 3D images, reducing radiation exposure during spinal surgery.

An anionic polymer solution prevents coagulation while preserving ion concentrations, eliminating sample contamination from conventional cationic salts.

Centralized service center analyzes multi-parameter data from implantable devices to detect decompensation with high specificity.

Circumferential cuts in a metal hypotube resolve pressure resistance and pushability contradictions for complex vasculature.

A blood flow meter adjusts rotor speed using magnetic encoder signals and pressure sensors to maintain zero slip conditions.

A blood collection holder uses gravity to retract the needle into its housing after retainer activation.

Optical spectroscopy measures tissue oxygenation to identify ischemic areas, resolving the inability of coronary angiography to detect microvascular disease.

An interference fit member secures an elongate medical device hub within a tubular packaging tube through mechanical friction.