Catheter TRIZ Cases
- Ferrogel Sensor for Wireless Glucose Monitoring
A ferrogel sensor detects glucose levels through hydrogel swelling that modulates magnetic properties.
- Monolithic Injectable Wireless Bio-Sensing SoC
A monolithic injectable wireless bio-sensing system-on-chip integrates an antenna and power harvesting circuitry for painless skin application.
- Two-Stage Bronchoscope Segmented Design for Narrow Airway Access
Nested segmented design navigates narrow lung airways, resolving diameter-strength trade-offs.
- Portable Apparatus Proximity Configuration for Exercise Equipment
A portable apparatus detects proximity to exercise equipment via wireless communication and automatically configures measurement settings.
- Dilator Tip Transition Strain Relief
Positioning the stiffener-to-tip transition inside the catheter sheath prevents kinking and buckling, reducing procedure time and cost.
- Bone Oximeter Probe Optical Measurement
A bone oximeter probe uses a sensor head to transmit and detect optical signals for measuring bone oxygen saturation.
- Resealable Catheter Foil Package for Spillage Control
Deep drawn foil with a peel opening allows wetting fluid containment and prevents spillage during catheter handling.
- Selectively Positionable Catheter Cuff with Activatable Adhesive
A slidable cuff uses light-activated adhesive to secure placement along a catheter shaft without cutting.
- Plethysmographic Detection of Respiratory Arterial Pressure Wave
Optical plethysmography monitors the dynamic respiratory arterial pressure wave to provide first-order physiological data for diagnostic biofeedback.
- Catheter Shape Adjustment Mechanism for Snagging Reduction
A catheter shape adjustment mechanism uses a rotatable collar to displace a stylet carrier, enabling dynamic curvature control of the distal tip.
- Rubberized Bowel Grasper with Integrated Force Gauge
A rubberized bowel grasper integrates a visual force gauge to provide tactile grip and real-time pressure feedback during minimally invasive procedures.
- Curved Edge Pulse Oximeter Keys for Single-Handed Operation
Raised convex keys arranged along a curved edge enable tactile navigation, reducing visual concentration during single-handed patient monitoring.
- Fluid Reservoir Retention Wedge Mechanism
Segmented reservoir design with a biasing wedge prevents occlusions by building pressure, resolving reliability issues during easy replacement.
- Implantable Dissolved Oxygen Sensor Using MR Contrast Agent
An implantable sensor uses an oxygen-permeable membrane to retain a magnetic resonance contrast agent for detecting dissolved oxygen levels.
- Disposable Guidewire Optical Fiber Termination
Centering an optical fiber inside guidewire tubing resolves moisture drift and blood contamination issues for stable pressure sensing.
- Lancet Release Mechanism for One-Handed Ejection
A release button and beam eject the lancet assembly from the holder.
- Pulse Processing Using Continuous Wavelet Transforms
Continuous wavelet transforms segment photoplethysmographic signals to isolate pulse features, resolving noise interference that degrades measurement precision.
- Intravascular Cold Therapy for Vessel Expansion
Cryoablation targets constricted vessels by destroying smooth muscle cells while preserving structural proteins, preventing elastic recoil without stents.