Catheter TRIZ Cases

A pneumatic device manipulates elongated objects using elastically deformable membranes and fluidic chambers.

A dome braid transitions between compressed and expanded states to conform to aneurysm geometry.

Foldable securement arms stabilize catheters via adhesive fixation, reducing infection risks and skin irritation from traditional tape.

A flexible fluid-cooled shaft houses an electrosurgical cable assembly to remove heat along its length.

Clustering velocity vectors into trend lines simplifies electrophysiological map visualization.

A percutaneous stimulation device generates electrical signals to elicit muscle contraction and monitors the response for diagnostic assessment.

A cardiac mapping system constructs a three-dimensional heart surface and identifies off-surface points using perpendicular distance calculations.

Segmented micro-needle arrays extract interstitial fluid via localized skin pores, enabling continuous biosensing without full implantation rejection.

Articulated cushion and cover segments absorb micro-pistoning forces to stabilize IV catheters while minimizing skin pressure and device bulk.

A motor drive apparatus uses a tubular lens holding member to position collimator lenses for optical imaging diagnostics.

An outwardly flared orifice wall expands its inner diameter and bends to create shearing forces that clear blockages.

A catheter fixation kit uses adhesive patches with hook-and-loop areas to secure tubes without headbands.

Rotational cutting shaves calcified lesions to restore luminal diameter without causing barotrauma or restenosis.

A cannula stabilizer uses deflected struts and arms to secure the device within vascular structures.

Multi-window heart rate analysis compares baseline and onset data to distinguish seizure events from exertional changes, improving detection accuracy.

UV curable adhesive secures optical fiber within a rebuffer heat shrink tube to reinforce the distal end of a medical catheter.

A rotary gear assembly with ratcheting drive sequentially advances lancets in a cartridge.

Slot-type patterns in polymeric liners improve catheter navigability through tortuous anatomy while maintaining proximal durability.

A glucose sensor system detects and replaces signal artifacts in the data stream to ensure accurate analyte measurements.

A notification controller selects alarm output modes based on elapsed time since zero point calibration.

Segmented distal, intermediate, and proximal markers replace fluoroscopy to reduce radiation exposure while maintaining positioning accuracy.

Interlocking membrane segments prevent edge peeling and maintain layer integrity to ensure accurate glucose detection.

A wearable heart rate sensor employs a linear light source and four receiving units to detect signals through skin.

An articulated surgical clamp positions jaws via cable-driven mechanisms to resolve precision complexity trade-offs in minimally invasive procedures.

Oximetry catheter detects arterial puncture by measuring blood oxygen saturation, preventing inadvertent cannulation during central line insertion.

An implantable chemical sensor uses a polymeric barrier layer to attenuate foreign body response and maintain reliable analyte detection.

Interwoven energy transferring material in an elongated member closes cardiac openings while reducing thrombus formation and inflammation risks.

A tertiary amine catalyst drives polyisobutylene-polyurethane block copolymer synthesis without organometallic residues.

Slotted internal and external tubes provide controlled bending via axial movement, resolving flexibility and precision trade-offs in medical lumens.

An automated driving mechanism rotates the transducer to change emission angles, reducing manual handling risks for medical staff.

A cardiac rhythm management system generates a hemodynamic tolerability map to guide anti-tachyarrhythmia therapy delivery.

Pairing a low-power mobile CPU with a desktop chipset resolves the trade-off between high thermal output and system cost, delivering a quiet, compact computer.

An ultrasound probe adjusts imaging planes to capture cardiac output and filling pressures.

A mounting base with a gap isolates the pressure sensor from the catheter body to transmit blood pressure signals.

Circumferential detector displacement avoids arterial interference, enabling accurate muscle oxygen saturation measurement without reattachment.

Dynamic power management adjusts wearable device features using real-time heart rate sensing to reduce energy consumption during low activity periods.

Catheters with magnetic adhesion elements align and heat tissue to form fistulas, reducing surgical trauma.

Segmented sensing areas compare independent signals to identify variance caused by insertion trauma or signal drift, ensuring accurate continuous monitoring.

Segmenting the sheath into distinct stiffness zones resolves pushability versus trackability trade-offs while minimizing bleeding risks at the access site.

A lancet-release tab engages a holder to eject the needle, preventing accidental punctures during single-handed operation.

Segmented microcatheter head uses proximal through-holes to block embolic particles while allowing fluid flow, preventing backflow into healthy tissue.

Carbodiimide and hindered amine additives in a polymer composition reduce hydrolytic degradation, extending shelf life despite increased formulation complexity.

Segmentation separates components while nesting protects them, resolving bulk and reliability trade-offs.

Segmented protective shutters prevent aperture shifting and leaks in transfusion systems.

A non-invasive blood pressure apparatus uses a 3-way solenoid valve to connect the cuff and sensor for accurate zero pressure calibration.

A rotatable distal portion reorients the cutting electrode for rapid consecutive incisions.

A planar multi-electrode catheter uses a two-sided flexible membrane structure to position electrodes on both surfaces of the end effector.