Catheter TRIZ Cases

A urinary catheter integrates a visualization stylet to illuminate the bladder inner surface.

A catheter locking formulation combines ethanol, trimethoprim, and EDTA to prevent blood coagulation and eradicate microbial biofilms.

Liquid electrode flow restriction creates focused plasma for controlled tissue ablation without collateral damage.

A multipurpose host system integrates modular measurement processing components and a multi-mode graphical user interface to acquire invasive cardiovascular sensor data.

Flexible sternal photoplethysmographic patch uses elastomer layers to maintain conformal skin contact.

A flow restriction device with a serpentine channel reduces shear stress on red blood cells during vacuum blood collection.

A pulse oximeter algorithm uses statistical learning to classify photoplethysmogram signal segments as clean or corrupted.

Multiple analysis regions with distinct reagent compositions extend the glucose detection range while maintaining measurement precision.

An intermediate layer with embedded conducting wires transmits signals and electric energy, reducing medical personnel workload in minimally invasive surgery.

A rotatable catheter holder prevents kinking of hard pushable catheters by using a guide portion with a crush prevention mechanism.

Angled epoxy polishing optimizes reference power levels, resolving low signal-to-noise ratio in optical coherence tomography probes.

A patient monitoring bed integrates sensors and a learning processor to determine normal parameter ranges.

An implantable medical device uses optical sensors to detect tissue oxygen saturation and pulsatile oxygen saturation values.

A flexible adhesive patch arrangement with distinct sensor and device mounting regions enhances structural rigidity through a removable reinforcement liner.

Mathematical analysis of pulmonary artery pressure waveforms determines cardiac output and left atrial pressure.

A continuous glucose sensor uses Electrochemical Impedance Spectroscopy to generate internal reference data for automatic calibration.

A cryotherapeutic cooling assembly delivers controlled refrigerant to renal nerves via an intravascular shaft.

Denser distal wire frame prevents kinking and bleeding while maintaining insertion flexibility.

Polyacrylamide hydrogel coatings reduce biofouling and extend device lifespan by eliminating immunogenicity and degradation issues found in PEG materials.

Alternating multiple transmitting units minimizes cumulative interruption time in continuous glucose monitoring without increasing battery size.

A stabilization device with an integrated dressing secures medical articles to patient skin.

A pliable catheter forms non-overlapping loops with embedded electrodes to detect cardiac wave fronts and determine activation source direction.

Circumferential LED array emits 222 nm far ultraviolet light around urinary catheters to create a continuous antimicrobial barrier.

A polarity determination unit selects time-varying signals sharing the same phase before combining them to enhance measurement precision.

Heat-fused reinforcement cushions cavitation shockwaves, preserving structural integrity during high-power laser emission.

An integrated sensor module combines ECG and PPG signals to calculate mean arterial pressure via pulse transit time without external calibration.

A tunable waveguide isolator reduces return losses in electrosurgical generators by matching impedance at the microwave channel junction.

A low angle sensitive optical filter directs band pass light to a photodetector while blocking out-of-band wavelengths.

A miniaturized sensing probe integrates sensor elements within a hollow needle unit to enable direct tissue insertion.

A catheter connector employs a movable collet to radially compress the tube against an internal pin for secure retention.

Elastic wings pivot within a protective cavity to secure the cannula, preventing accidental injury from unintended translational movement.

A compact blood pressure monitor integrates pneumatic and electrical circuits within a single housing to simplify device connections.

Nested drive and damping springs in a lancing mechanism ensure single puncture effectiveness while reducing device volume.

A probe control apparatus adjusts pulse repetition frequency and transmission voltage based on depth of field changes.

An implantable device uses optical sensing to measure glucose levels in body fluids.

Automated detection of atrial fibrillation sources reduces map analysis time and improves ablation region accuracy without manual expert intervention.

Corrugated struts increase lateral stiffness and decrease axial bending to maintain electrode spatial arrangement for conformal tissue contact.

Irrigation fluid cools arterial walls while unbalanced radiator targets renal nerves, preventing stenosis during hypertension treatment.

Segmented flexible microwave antenna uses dielectric shaping elements to create uniform lesions while minimizing shaft heating and healthy tissue damage.

A drape with segmented clips prevents catheter entanglement during invasive cardiac procedures.

Segmented catheter tubing prevents embolic glue reflux and polymerization entrapment through a larger proximal occluder barrier.

Side holes and flow restrictors in a microcatheter create proximal plugs, reducing reflux and procedural time during embolization.

Abutting catheter walls block hydrostatic discharge without extra valves, ensuring controlled administration and system reliability.

A dual-lumen catheter system uses a moveable nozzle head to distribute rinsing fluid within an abscess cavity.

Extract respiratory signals from invasive blood pressure using heart rate and respiration frequency data.

A sensor insertion device integrates a signal processor to verify operability before patient contact.

Segmented resilient panel and connectors resist inadvertent pulling forces on gastronomy tubes while maintaining comfort.

Replacing subjective finger-based assessment, a catheter-mounted monitoring bladder measures compressive forces via fluid pressure transmission.