Dialysis Systems TRIZ Cases

A medical treatment device determines fluid system compliance to enable accurate pressure-based monitoring.

A dialysis system coordinates two fluid heaters using a supplemental power supply to manage peak energy demands during therapy.

Segmented hydrophobic membranes and integrated sorbent cartridges purge gases while preventing liquid passage, reducing water volume needs.

A controller adjusts concentrate pump timing to stabilize dialysis solution conductivity.

Segmented chambers with recirculation pumps remove dissolved carbon dioxide to maintain pH stability in dialysis systems.

Peroxide-based sterilization eliminates toxic residues and logistical costs by combining cleaning with integrity verification in one step.

A dialysis machine predicts bicarbonate depletion using sensor signals to adjust flow rates.

A conduit system uses a flexible member deformed by a clamp head to occlude the lumen.

Positioning the heat exchanger downstream of a free-fall separation tank prevents used dialysis fluid contamination of the external water supply.

A balancing device corrects volumetric flow measurements using real-time temperature data to maintain accurate fluid balance.

A dialysis machine uses a UV sensor to measure waste product concentration in the dialysate for real-time Kt/V calculations.

A cable guide device moves with a dosing unit's movable section, shielding conductors from mechanical stress and moisture ingress.

A sensor system monitors heating bag deformation within a receiving section to control longitudinal expansion.

Segmenting the dialysis unit from a remote regenerating water supply reduces apparatus complexity while maintaining uremic substance removal efficiency.

A wastewater discharge device maintains a free-fall distance between inflow lines and the basin bottom to prevent recontamination.

A semipermeable membrane catheter enables continuous intra-corporeal dialysis by combining peritoneal and hemodialysis mechanisms within a wearable supportive device.

Hydrogel impeller packing and a rollover outlet create radial cross flow across membranes, eliminating laminar boundary zones that cause hyper-perfusion.

An infusate caddy uses unique fitting features and a paddle assembly to secure solute containers within dialysis machines.

An implantable renal replacement device uses non-silicon ceramic filters to remove uremic toxins and excess water from patient blood.

Pressure monitoring detects swapped connectors and valve malfunctions to prevent cross-contamination in dialysis systems.

A dialyzer self-classifies through its blood access structure using conductivity and pressure measurements.

An integrated shut-off element in the dialyzer connector flow channel prevents liquid leakage during rinsing by closing when no line is connected.

Controller computes calibration curves from pump-adjusted conductivity readings, resolving measurement precision errors caused by unknown fluid concentrations.

An exchange vessel balances inflow and outflow in dialysis by compensating volume variations through gas compressibility.

Multi-outlet valve devices supply heated disinfectant to all hydraulic flow paths simultaneously, preventing temperature loss and reducing chemical consumption.

Multi-wavelength optical sensor displays total hemoglobin trends, enabling continuous non-invasive monitoring without invasive blood draws.

Pressure measurement detects incorrect dialyser flow direction, preventing ineffective treatments caused by non-uniform color coding.

Automated ammonia detection in sorbent effluent estimates BUN levels, eliminating manual blood sampling and reducing time consumption.

A dialysis housing uses a door-in-door carrier compartment to isolate external filters from internal components.

A portable dialysis device uses hydraulic fluid to compress a flexible membrane, driving continuous blood flow through a small chamber.

Zirconium phosphate sorbent effluent analysis estimates pre-dialysis BUN levels, enabling real-time parameter adjustments.

Circular buffer records high-resolution renal therapy machine data to resolve memory capacity constraints while enabling accurate root-cause analysis of alarms.

Segmented tubular body and terminal part enable separate electrical testing of the protective conductor in dialysis units.

Circulating fluid through the sorbent device and filter between treatments prevents solidification, extending cartridge life and reducing replacement costs.

A universal closure cap seals two distinct fluid ports using a single component body with distinct receiving geometries.

A filter partition divides an infusate container into compartments to dissolve solid solutes, preventing particulate contamination of the dialysis system.

A blood purification apparatus uses a single weighing machine to measure dialysate and waste liquid storage bags for pump rotation speed correction.

A control system monitors hematic volume changes to adjust ultrafiltration rates during dialysis treatment.

A pumpless artificial placenta oxygenation device uses a gas permeable membrane for neonatal respiratory support.

Real-time inlet temperature sensors at dialysis machines feed data to a process controller for active water temperature management.

A computing unit tracks liquid volume ratios to detect deviations, resolving the trade-off between balancing accuracy and mechanical complexity.

Non-circular cross-sectional coupling assemblies prevent inversion and ensure fluidic tightness by locking connectors in a single rotational position.

A tangential filtration device integrates a turbine pump within the separation chamber to drive fluid circulation through tubular elements.

Upward-opening connection elements prevent liquid concentrate dripping, eliminating clogging risks and contamination from manual handling.

A dialysis service box integrates a backflow preventer and trap primer into a single casing for universal machine installation.

A dialysis machine disinfectant valve uses a positive pressure gradient to prevent fluid leakage into the treatment circuit.

An intermittent pump control strategy reduces power consumption and mechanical wear by eliminating device synchronization in renal therapy systems.