Catheter TRIZ Cases

A medical article securement device uses a rotating base and locking mechanism to stabilize invasive cannulas on patient skin.

Skin electrodes calibrate external signals to calculate intracardiac potentials, resolving the trade-off between noninvasive operation and mapping accuracy.

Fiber optic shape sensing tags voxels with health data, resolving geometry mapping accuracy against system complexity.

A catheter securing device uses a retention strap and latching elements to hold medical tubes firmly in place on patient skin.

Segmenting the body, lid, and adhesive film resolves stabilization versus removal trade-offs for catheters.

Segmenting the probe into functional zones allows dual pressure sensors to measure oesophageal and gastric parameters, resolving single-point monitoring limits.

Spectral fast Fourier transform analysis of vascular signals detects subclinical hemorrhage and guides fluid resuscitation.

A catheter locking mechanism uses interlocking tabs and slots to secure a beaded connector tube without compressing the medical device.

Segmented lumens maintain large suction area while angled tip improves vessel penetration for effective thrombus removal.

Venous optical probes detect blood analytes including carbon dioxide and pH levels to enable continuous physiological monitoring.

A skeleton modeling system assigns patient joints to body locations using depth image data and sensor location information.

A catheter system delivers electroporation energy to hepatic nerves for targeted tissue ablation.

Server computer associates device identifiers with user accounts to store heart rate measurement data.

Angled medical connector with height compensating foot prevents rocking and vessel damage.

A heart catheter tip features a narrowing frontal passageway that focuses flushing liquid flow to maintain a clear optical corridor.

Segmented splines conform to irregular heart anatomy, resolving stability versus adaptability contradictions for accurate rhythm diagnosis.

A lancing device uses a safety switch to block cocking and an ejection pin to remove the lancet without manual contact.

Shutter control prevents biological tissue exposure by blocking measuring light until the catheter connects and probe rotates.

An H-shaped catheter anchoring device holds the tube at a fixed angle using rigid gripping tabs for secure skin attachment.

A pressure sensor embedded in an inflatable bladder seam detects mechanical force changes from a resting subject to capture physiological signals.

A cannula with a conical tip and valve redirects fluid flow to manage velocity.

A connection device joins flat planarity wires to round activation wires using a hook and bore interface for structural integrity.

An indwelling catheter features an integrated coil section that expands and retracts to accommodate user movement.

Segmenting the proximal shaft from the sensor wire reduces aortic pressure wave dampening, improving Fractional Flow Reserve measurement accuracy.

A joint device uses a bent communicating tube to connect syringe and infusion lines while allowing rotational movement.

A fin seal package with a pull tab and finger holes ensures complete opening by preventing non-longitudinal tear paths.

Spring-driven detection elements confirm proper lancet positioning to eliminate manual handling risks and ensure safe piercing operation.

A porous adhesive strip prevents bloodstream infections and skin rashes by eliminating non-sterile tape while maintaining secure catheter attachment.

A foam retainer secures medical devices to patient skin, preventing catheter migration and skin excoriation.

Segmented magnets in a flexible catheter enable precise electrode positioning, reducing manufacturing complexity and cost.

Constant conicity guide channels prevent material deposition and reduce oscillations during catheter extrusion.

A subcutaneous glucose sensor uses a Peltier device to stabilize ambient temperature around the electrochemical detection unit.

Sealing plate optically isolates light source and detector to stop leakage, boosting signal-to-noise ratio in biometric sensors.

Heart rate-dependent filtering separates respiratory components from cardiac pressure signals, enabling ambulatory monitoring in implantable devices.

Segmenting the anchor pad from the dressing prevents contamination risks while maintaining catheter stability without frequent tape changes.

A neuromodulation system modulates sympathetic nerve activity to improve erectile function.

Radiofrequency phase shift measurement calculates cardiac output while filtering noise to enable continuous noninvasive monitoring.

An auto-locking mechanism in a catheter handle maintains the distal end position without manual input.

Resistor encoding and microcontroller translation compensate for signal variability in miniature intravascular pressure sensors.

Integrated thermocouples monitor temperature slope changes in myocardial tissue to adjust coolant flow and prevent collateral damage to non-target structures.

A resilient expandable socket reduces insertion force and eliminates needle stick risks during spent lancet removal.

A PPG sensor patch processor filters noise using ECG and accelerometer data to calculate optical ratios.

A cryoablation segment uses controlled refrigerant flow to create uniform linear lesions in targeted tissue.

Segmented leak detectors monitor catheter cooling chambers to prevent refrigerant entry into patients.

A reinforcing sleeve inside the outer tube prevents kinking while the pull wire induces acute bends in tortuous vessels.

Guide channel maintains catheter columnar integrity to prevent kinking and coating abrasion during insertion.

A catheter combines two coils with varying pitches to resolve the trade-off between operability and tensile deformation resistance.

A management system processes analyte monitoring information to generate performance diagnostics and alerts.