Catheter TRIZ Cases

An internal trouser pocket and waistband opening keep a medical pump secure, accessible, and protected during everyday movement.

Cycle through related ultrasound presets on the same real-time image screen, reducing taps and easing selection on mobile displays.

Multiple series-connected components limit patient current during analyte sensing, preserving safe operation if components fail.

An internal catheter electrode prevents current bypass while external magnetic-field detection supports in-vivo imaging beyond bone and air-filled tissues.

Temperature shifts can distort in vivo analyte readings; sampled sensor data and slower-changing correction gains stabilize compensated glucose values.

A T-shaped cartridge pre-aligns and secures the waste tube, reducing breakage risk during blood draws and enabling touchless plunger ejection.

Fluid-coupled MEMS sensors in a flexible catheter map esophageal pressure circumferentially for higher-resolution manometry and bolus analysis.

A two-compartment package uses a vapor-permeable barrier and draw element to hydrate hydrophilic medical devices without liquid contact.

Small transition diameters improve flexibility between disk and cylindrical portions, helping catheter-delivered devices align with vessel walls.

Unauthorized apps can send inaccurate glucose values; sensor electronics verify a terminal security key before maintaining the connection.

External skin attachment can allow catheter migration; subcutaneous anchoring with clamping wings stabilizes the catheter near the heart.

Hydrogel microneedle electrodes use dopamine-mediated enzymatic reactions to support continuous ketone sensing while limiting high-potential fouling.

Weak heartbeat reflections are isolated with range- and velocity-direction FFT processing for precise non-contact monitoring.

An integrated upper-and-lower-frame structure stabilizes applicator coupling and decoupling while simplifying manufacture of the body-attachable unit.

Integrated vessel measurement lets a renal neuromodulation catheter assess target sites and adjust therapy energy without extra procedures.

A separate upper-housing antenna connects through a conduction unit to preserve signal quality in a miniaturized glucose monitor.

Unauthorized apps can send inaccurate glucose values; sensor electronics verify security keys before maintaining Bluetooth or BLE connections.

Radiography-free observation of a translucent balloon helps measure expulsion time while self-expanding material simplifies insertion and removal.

Selective membranes block or consume electroactive interferents, helping continuous glucose sensors limit non-constant noise for timely insulin decisions.

Inflow and outflow sensors compare cooling-fluid flow to flag failures that could overheat healthy tissue during laser ablation.

Separate mechanical and energy-based cutting mechanisms can be cumbersome; this forceps integrates thermal cutting into its distal frame for efficient tissue treatment.

Detachable caps simplify assembly and cannula removal while a sealed sensor compartment protects contacts without bulky encapsulation.

Different axial-member edge curvatures help resist lateral deflection while preserving catheter bendability and positioning accuracy.

Automated disinfection lets an APD cycler reuse tubing while solenoid valves and a pump simplify fluid control and reduce waste.

A thermal disinfection loop lets a peritoneal dialysis cycler reuse fluid-path components while reducing disposables, waste, and setup burden.

A dynamic shield preserves needle visibility during ABG collection while automatic mixing prepares anticoagulated samples.

A circumferential filter retains embolization beads while allowing suspension outflow, supporting concentrated target delivery with less backflow.

A reference electrode and surrounding multipole sensors capture tissue signals for vector-based ECG estimates of cardiac wavefront direction and speed.

Rigid catheter sections, grooves, coatings, and flexible hub joints help limit kinking and occlusion while reducing tissue irritation.

When treatment sites have limited space, electric potentials from accessible electrodes can be processed through a transfer matrix to assess target tissue accurately.

Subcutaneous anchors and a tethered adapter secure catheters without sutures, making the skin penetration site easier to clean and inspect.

Geometric evanescent and non-evanescent fiber portions direct shock-wave generation toward asymmetric or flush obstructions.

A flexible clearing head engages the catheter lumen and moves proximally to remove deposits without chemical agents or complex brushing.

A solid-state polymer and ionic liquid reference electrode supports accurate tissue pH measurement without chloride sensitivity or tissue disruption.

Variable catheter gauges can cause hemolysis during vacuum blood collection; a slider assembly regulates flow to protect sample quality.

A deflection member guides hydration liquid from a catheter sleeve to limit spillage while preserving a lubricious surface for insertion.

Shared reference and counter electrodes let one in vivo sensor track glucose and kidney-function analytes continuously.

Proximal-bending flexible spines and opposed electrodes reduce tissue contact during cardiac mapping, limiting ectopic beats and perforation risk.

Load cells and flow meters automate urine-output measurement, improving ICU accuracy and reducing missed documentation.

A longitudinal actuator and pull wires curve the distal catheter while the handle stays positioned for precise therapeutic delivery.

An intravascular catheter delivers cryogenic temperatures to renal nerves, reducing sympathetic activity while limiting renal artery damage.

Pre-assembled sensor and applicator simplify body attachment, reduce handling and contamination risk, and support accurate glucose monitoring.

Two Joule-Thomson stages and recuperative heat exchangers help form cryoablation ice balls at lower pressures.

Struts resist one-plane bending while discrete fins bias another, giving an electrophysiology catheter tailored deflection and less damaging assembly.

A preloaded applicator simplifies sensor placement, while wireless communication and user-controlled startup support accurate glucose monitoring.

Standard fetal monitoring graphs can hide beat-to-beat variation; this processing unit displays averaged rate and microvariability together.

Separate sealed lumens and a motor-driven inner tube support suction, irrigation, and tissue resection in curved anatomy.

Impedance drift can distort catheter geometry; combining electrode relationships with magnetic shaft positioning stabilizes shape visualization.

Small wearable monitor parts make manual coupling slow; a carrier and activator enable secure reuse across disposable base units.

Multiple sensor streams are spread with orthogonal codes, combined, and modulated for single-channel transmission with lower latency and resource use.