Catheter TRIZ Cases

Rotatable members engage surgical staples to secure a medical clamp, reducing procedure time and needle stick injury risks.

Segmented diffusion holes in the catheter tip reduce backpressure and jet velocity during rapid infusion, preventing vein damage.

A monitoring system uses transmitters to send continence data for visual representation of wetness volume and type.

Aggregation circuitry combines forecast data with new measurements to revise predictions, resolving accuracy versus complexity trade-offs.

A multi-configurable closure system with an integrated barrier prevents blood splatter while accommodating various device interfaces.

A vital sign monitor calculates cardiac output using pulse wave propagation time and heart rate data from electrocardiogram sensors.

Telescopic sleeves extend a curled catheter to ensure straight insertion, resolving the contradiction between compact storage volume and ease of operation.

Counterclockwise and clockwise spline portions resist external forces to maintain shape retention while expanding contact range with living tissue.

Radiofrequency stylus modifies anterior ethmoidal nerve properties via Joule heating, reducing rhinitis symptoms without invasive surgery.

Segmented tube design prevents lumen deformation under tension, allowing efficient medication injection and endoscope insertion.

Rotational movement between curved protrusions and recesses links packaging parts, eliminating hinge complexity while maintaining secure connection stability.

Movable clips on the retainer form a central channel to capture catheters, eliminating adhesive tape that causes skin excoriation.

Miniaturized LEDs and photodiodes in a soft silicone catheter enable wireless oximetry, eliminating rigid glass fiber risks.

A dependency-based startup method automates the initialization sequence of executable components in multi-modality medical systems.

Integrated UV source sterilizes dialysis tubing to reduce bacterial contamination risk during peritoneal dialysis.

An expanding cross section in the bent part of a blood cannula reduces flow velocity, preventing venturi-effect constriction in branching vessels.

Optical coherence tomography analyzes birefringence and scattering to monitor lesion formation, reducing procedure time.

A continuous glucose monitoring system calculates and notifies users of the remaining use period for the body attachment unit.

A pericardial catheter with a temperature sensing array monitors epicardial tissue heat during ablation procedures.

A valve core intermediary controls sample solution flow through an air inlet channel, preventing leakage during reagent card insertion.

A hermetically sealed optoelectronic structure transmits optical signals to neural tissue for precise detection and stimulation.

A tubular tip incorporates a radiopaque marker within a counterbore cavity to enable precise device positioning during medical procedures.

Radially extending barriers create local vortices that reduce fluid velocity, enabling specimen retention in high-velocity blood flows.

Integrating colorimetric and photoluminescent sensing into one element reduces device volume and complexity while enabling simultaneous multi-analyte detection.

Transforms multiple 2D image slices into a 3D volumetric representation to resolve manual combination bottlenecks and enable precise surgical tool positioning.

External drive coil arrays energize internal sensor coils to determine three-dimensional device position.

A multi lumen catheter design enables continuous blood sampling through dedicated lumens for fluid delivery and return.

Lever-driven collet clamping secures catheters without adhesive residue, eliminating skin irritation and infection risks associated with traditional tape.

A biological information input system transfers patient vital signs via NFC to a terminal device for professional review.

A catheter engagement head grabs IVC filters using a serrated proximal edge and internal relief area.

A measurement device calculates biological data deviations to set an optimal measurement region using a light receiving element array.

Curved catheter distal end engages coronary arteries via arm artery insertion, avoiding femoral complications and improving patient mobility.

An elastic diaphragm in a medical valve connector eliminates complex sliding seals, reducing contamination risks while maintaining a hermetic seal.

Automated VLSI fabrication replaces manual coating to resolve manufacturing efficiency and impedance control contradictions.

Remote longitudinal displacement of laser fiber via linear actuator resolves manual repositioning inaccuracy and visibility constraints within MRI environments.

Helical extrusion die pin induces rotational polymer flow to create internal helical segments that prevent kink formation and maintain fluid flow.

Segmented handle components reduce bulk while the pinion gear mechanism converts rotational input into precise wire tension for reliable deflection control.

Segmented catheter extension set with diffuser tip reduces hemolysis during blood sampling.

Multi-frequency impedance measurements replace invasive catheters to determine fluid balance and cardiac output without patient risk.

Segmenting the sensor into a distributed mesh resolves measurement precision versus complexity trade-offs, ensuring accurate tissue ablation monitoring.

Segmented optical probe uses a fused silica spacer between a GRIN lens and prism to correct aberrations.

A pulse oximeter calculates multiple heart rates and selects between them using signal quality metrics.

An integrated catheter merges mapping electrodes on a sliding sleeve with an ablation tip, reducing surgery time by eliminating multiple access points.

Bonded wire intersections stabilize the braided reinforcement layer, preventing radial flaring and kinking during vascular access procedures.

Integrating sensors into a catheter detects acute kidney injury biomarkers in urine, eliminating laboratory delays.

A catheterization robot drive module moves apart to extract flexible medical instruments.

A multipolar catheter system calculates cardiac conduction velocity directly from raw unipolar electrogram signals without intermediate processing steps.

An analyte sensor incorporates an antiglycolytic agent to detect glucose levels, eliminating spurious low readings during initial implantation.

Separate pressure-applying means on opposing sides of the tube allow easy repositioning without compromising adhesive attachment security.

A display method partitions ECG signals into synchronized segments to enhance irregular waveform visibility.