Catheter TRIZ Cases

A connection assist device uses shields and a minicap catcher to join catheter lines without direct hand contact.

An IV line clasp uses a contoured recess to hold equipment and adjustable cotton straps to prevent displacement without tape, reducing skin irritation.

Kiosks collect vital signs and medical history to resolve the contradiction between easy access and viral exposure risks in urgent care.

An actigraphic system differentiates normal sleep from dampened movement patterns, resolving low detection accuracy in current screening methods.

A medical handling device integrates a cannula directly into the front wall using a retaining protuberance.

A urinary catheter connector uses moveable blocking members biased to closed positions, preventing disengagement leakage and contamination risks.

A microdialysis probe detects glucose and lactate levels in tissue fluid through a semi-permeable membrane.

Dual extruders and switching valves shorten the variable mixing ratio length, improving catheter hardness precision.

A polymer film coating on reinforcement wires enables outer polymer flow and bonding at crossover sections.

A steerable catheter uses an adjustable curvature mechanism to position its distal section against tissue sites adjacent to pulmonary vein ostia.

Dual durometer seals in a vascular introducer hub minimize blood leakage while allowing catheter repositioning through dynamic segmentation.

Magnetic coils drive the ferrofluid to scan the fiber, bypassing mechanical complexity in tight cannulas.

A single fluorophore sensor employs fluorescence resonance energy transfer to measure glucose levels in blood.

Parallel band pass filters segment pulse wave signals to remove noise interference and stabilize oscillation response times.

A dermal patch integrates a retractable lancet with a sloped channel to draw physiological samples into an absorbent pad.

A bleeding control device uses a compressed gas canister to inflate an inflatable balloon against a wound.

An endovascular catheter uses four electrodes to measure electrical resistance and calculate renal artery blood flow metrics.

Alternating segmented adhesive zones on male external catheters reduce continuous skin contact to prevent irritation and maceration.

Segmented rigid substrate maintains measurement precision against cardiac motion while flexible delivery portion enables catheter insertion.

A push-activated lancet device uses a two-piece housing to extend and retract the puncturing element.

A flexible catheter tip assembly integrates a fluid lumen manifold with an elongate thermocouple routed around the longitudinal axis.

A cardiac assessment system corrects double-potential signal annotations by propagating user selections to neighboring tissue locations.

Catalytic coatings on analyte permeable membranes decompose reactive oxygen species to protect indicator elements from oxidative deterioration.

An openable window with a waterproof fastener and antiseptic inner surface provides reliable protection while maintaining discretion and ease of movement.

Adjustable loop catheter handle uses a pull wire and sliding member to modify the loop diameter during procedures.

Bioerodible masking layers isolate implantable chemical sensors until erosion exposes them, extending monitoring duration beyond single-sensor lifespan.

Hyperpolarized 129Xe MRI detects dissolved xenon in red blood cells to visualize pulmonary gas exchange.

Dynamic light scattering analyzes temporal speckle patterns to measure blood viscosity and flow velocity in vivo.

A silicone retention member uses a ribbon inserted through base openings to secure catheters of varying diameters.

A control unit superimposes virtual anatomical landmarks on fluoroscopic images using a medical positioning system.

A catheter clamp adapter uses a pivoting lever to axially compress an elastomeric bushing for secure fixation.

Recessed diffusion holes reduce fluid backpressure while axial ridges maintain structural rigidity, preventing vein damage during high-flow medical infusions.

A subcutaneous sensor system uses a mixer and multiple reservoirs to deliver programmable calibration solutions for precise glucose measurement.

A rotation system twists a cryoablation expansion element during deflation, ensuring predictable shape and simplifying retraction.

Segmented sensor guide resolves bulk constraints by enabling continuous analyte monitoring via wireless transmission.

A rotary medical puncture device uses a movable shield to expose and retract the skin puncturing element.

A hub valve mechanism with aligned portions and a gap secures a fluid-tight seal around medical devices during insertion.

A surgical instrument jaw integrates an inflatable member and a sensor to measure local tissue perfusion pressure.

A catheter valve uses a flexible membrane to seal an elongated hole while allowing axial handle movement.

Solar cells charge a storage capacitor to buffer fluctuations, ensuring stable power delivery for accurate biological data transmission.

A flexible catheter securement device uses adhesive foam padding to hold the tube in place.

Segmenting the sensor with a background electrode isolates electrochemical interference from acetaminophen, enabling precise glucose measurement accuracy.

A catheter electrode assembly uses discrete spines of uniform length to create a planar array for high-density signal mapping.

Catheter-based cooling assembly delivers cryogenic therapy to renal nerves, replacing oral medications that cause side effects and poor compliance.

Integrated base unit merges ECG, temperature, and respiratory sensors to resolve complexity trade-offs in vital sign monitoring.

Solid-state contrast agents enable precise in vivo oxygen quantification via magnetic resonance relaxation time measurements.