Catheter TRIZ Cases

A tube assembly with a dissolvable tip prevents clogging by removing the distal obstruction after insertion, ensuring unobstructed fluid flow through the lumen.

Borate minerals stabilize L-glyceraldehyde to prevent clot-mediated glucose consumption and eliminate spurious low readings.

Salt and polymer markings penetrate catheters to lower thrombus rates, swelling predictably to preserve spacing accuracy in patients.

A glucose monitor calibration algorithm applies regression techniques to align sensor data with reference values.

Paired distal and proximal tabs on a mounting card prevent deformation or breakage of flexible medical components during removal.

A one-piece elastomeric tube holder grips catheters via interlocking flexible members.

A variable focal lens adjusts the numerical aperture of an optical probe, balancing depth of field and horizontal resolution for early-stage cancer detection.

A mobile Bluetooth beacon tracks subject distance during six-minute walk tests using signal strength data.

Segmented coaxtrodes on a catheter tip detect surface potentials, resolving measurement precision versus device complexity trade-offs.

Segmenting the catheter braid into layers with distinct wire widths resolves manufacturing complexity while improving kink resistance.

Segmented tip geometry divides high-velocity jets into multiple lower-velocity streams, reducing backpressure and preventing vein damage during rapid infusion.

Optical coherence tomography resolves atheroma detection accuracy without invasive catheter procedures.

A detection device uses a segmented housing with light-shielding and light-transmitting surfaces to isolate optical sensors.

A polysaccharide coating on balloon catheters improves drug adhesion and retention, addressing rapid washaway risks during expansion.

A medical insertion device uses a guide sleeve and retractor control to stabilize skin contact and confine needle movement.

An expandable element changes configuration to measure vessel diameter via fluoroscopy imaging.

Integrating notification hardware into the transceiver eliminates proximity constraints for user alerts while consolidating system structure.

Conductive fibers integrated into filament-based fabric eliminate maintenance needs and staining risks from paste application during washing cycles.

Automated optical imaging analyzes collected fluids to determine volume and blood component concentration in real time.

A modified Kalman filter processes heart rate and skin conductance signals to detect anxiety levels in real time without external training data.

An actuator deploys a helical anchor on the catheter body to secure tissue, eliminating dislodgement risks from inadequate anchoring.

An expandable catheter braid deploys a local MRI coil to improve signal-to-noise ratio while motion tracking coils compensate for tissue movement.

Radial mixers transport boundary layer biomarkers to a central collection area, resolving accuracy versus maneuverability trade-offs.

Docking station maintains liquid refrigerant state to prevent vapor lock and clogging in cryoprobe applications.

Segmented laser-cut hypotubes with torque couplers enable flexible navigation through tortuous cerebral vessels while maintaining pushability.

A catheter joins a metallic film to a hollow shaft and spiral linear member to resolve the pressure resistance versus flexibility trade-off.

An assist microprocessor circuit independently monitors cuff pressure signals to eliminate null drift and ensure precise overpressure protection.

An elastomeric retaining device secures catheters using a rigid clip closure and flexible hinge.

Classifying respiration rate measurements into daytime and nighttime categories enables early detection of heart failure decompensation.

A blood pressure measurement method applies external cuff pressure to modulate arterial transmural pressure while a sensor detects physiological parameters.

Remote monitoring with wearable sensors detects febrile neutropenia early, preventing hospitalizations and reducing costs.

A dual-catheter system deploys an inner loop for circumferential lesions and retracts it for linear ablation along the outer shaft.

A blood sampling device uses a fixed abutment surface to retain a primed lancet while a trigger deflects the body laterally for forward movement.

An energy accumulator in a catheter control device reduces manual operating force by providing auxiliary assistance during steering end deflection.

Pre-cooling the inner layer prevents melting during reinforcement annealing, ensuring high yield production of medical elongated bodies.

A processing device analyzes peripheral venous pressure signals using spectral FFT to determine intravenous line functionality in real time.

A medical controller blends data from distinct electrolyte sensors to generate a unified analyte value.

Arcuate gear rack and pulley mechanism convert actuator pivoting into wire winding to increase catheter steering travel.

Segmented springs and a depth-control stop eliminate oscillation, preventing multiple punctures during lancing.

A measuring device stabilizes fluorescence intensity by fixing the fingertip position with a spring-type hinge, resolving instability from loose placement.

Segmented surface models merge into a composite anatomy representation, resolving line-of-sight blind spots for accurate electrophysiology mapping.

Analyzing systolic bioimpedance peaks to guide pacemaker implantation decisions.

Composite polyamide resin balances breaking strength and elongation by combining elastomer moldability with carbonyl group strength.

A gravity resistance system prevents sagging of an adhesive patch during storage by maintaining perpendicular orientation via low tack adhesive layers.

Air gap pressure sensor replaces water-perfused catheters with solid state sensing to resolve spatial characteristics of pressure waves.

Porous paper sensors detect gases and respiration via water conductivity changes, eliminating the need for high-temperature operation.

Electronics unit measures biosensor admittance at distinct operating points to compensate in-vivo sensitivity drift and maintain glucose measurement accuracy.

Sensing electrodes on an intravascular sheath detect nerve signals to guide therapeutic device delivery, reducing patient pain from imprecise ablation.

A spiral tip catheter detaches and aspirates thrombi through a dedicated guidewire lumen.

Selective transport through a specialized membrane removes interfering species, ensuring accurate detection despite variable physiological noise.