Guide Wires TRIZ Cases
- Meandering Structural Guidewire for TAVR Valve Alignment
A guidewire with a meandering intermediate shaft navigates complex vascular paths.
- Redirecting Delivery Catheter Deflecting Mechanism for CTO Access
A redirecting delivery catheter uses a deflecting mechanism to guide guidewires toward occlusion sites.
- Magnetic Endoscopic Guide Anchoring for Colonoscopy
A magnetic endoscopic guide anchors via an external field to enable precise lesion location.
- Variable Stiffness Guide Element for Medical Implant Delivery
A guide element with a stiff proximal portion and flexible distal portion enables precise medical implant delivery.
- Guidewire Proximal Coating Thickness for Slidability
Differentiating coating thickness along the coil body resolves the trade-off between proximal slidability and distal flexibility in medical guidewires.
- Electroactive Polymer Actuator Stiffness Control via Photothermal Conversion
Light-absorbing fillers convert incident light to heat within electroactive polymer actuators for dynamic stiffness adjustment.
- Shape Memory Guide Wire with Temperature-Controlled Distal Tip
Temperature-controlled shape memory distal tips adapt to tortuous body channels, resolving navigation difficulties while maintaining structural simplicity.
- Self-Centering Guide Catheter Aligns With Blood Flow
A self-centering guide catheter aligns with blood flow using lateral impact forces from a high-pressure jet.
- EM Guidance System for PICC Catheter Positioning
Electromagnetic guidance system replaces fluoroscopy with real-time tracking to eliminate radiation exposure and iterative imaging delays.
- OCT-Integrated Guide Wire for Coronary Occlusion Crossing
An OCT-integrated guide wire determines distances between the wire and artery walls to navigate coronary occlusions safely.
- Guidewire Spiral Coil Segmentation for Catheter Placement
A guidewire uses a spiral coil distal segment to traverse catheters without exiting side holes.
- Rotational Support for Elongated Medical Member Control
A rotational support applies assistance torque to an elongated member, enhancing control over its rotation.
- Aromatic Polyimide Coatings for Medical Device Lead Insulation
Aromatic polyimide coatings reduce lead profile by 50% while maintaining electrical insulation integrity against body fluids.
- Arteriography Robot Drive Module Merging Catheter and Guide Actuation
Single motor actuates catheter and guide wire to reduce device complexity and breakdown risk.
- Retraction Guidewire for Transmural Drainage Leak Prevention
A retraction guidewire transitions from an elongate to a domed configuration to appose organ walls.
- ECG-Synchronized 2D Image Registration for Interventional Radiology
Synchronizes electrocardiographic signals with 2D image acquisition to estimate physiological deformation phases.
- Fluororesin Coating Heating with Infrared Shielding
Heating elongated medical bodies with fluororesin using infrared radiation and hot air circulation to prevent metallic substrate thermal damage.
- Catheter Steering Tool Tube Assembly Bending Mechanism
Nested internal and external tubes enable a catheter to bend through tortuous body lumens while maintaining locked positions.
- Rod Shaped Body With Composite Markers For MRI Safety
Composite marker particles with paramagnetic and diamagnetic materials improve MRI visibility while reducing imaging artifacts in the device.
- Segmented Medical Device for MRI Compatibility
Segmented conductive elongated members connected by non-conductive joints reduce RF-induced heating and resonance artifacts in MRI environments.