Guide Wires TRIZ Cases
- Segmented Guide Wire Rigidity Control Without Diameter Increase
Tensioned segments raise guide wire bending rigidity while limiting outer diameter growth, reducing vessel wall interference during insertion.
- Conductance Guidewire Navigation for Accurate CVC Tip Placement
Real-time conductance measurements guide central venous catheter placement without fluoroscopy, reducing procedure time, cost, and radiation exposure.
- ZIF-8 Coated Guidewire for Hyperpolarized 129Xe MRI Visibility
A ZIF-8 film on a Zn(II)-PDA coated guidewire captures 129Xe to produce MRI-visible signals for radiation-free interventional guidance.
- Vascular Flow Filter With Adjustable Porosity and Bidirectional Retrieval
Adjustable-porosity vascular filters maintain patency, capture embolic debris, and enable proximal or distal retrieval for controlled occlusion.
- Retractable-Layer Guide Wire for Mitral Valve Delivery Support
A retractable intermediate layer lets the guide wire shift between flexibility and support for atraumatic mitral valve delivery through tortuous anatomy.
- Dual-Lumen Embolic Catheter for Solvent Removal and Polymerization Control
A movable inner catheter and vacuum-assisted outer lumen remove excess solvent before embolic delivery, limiting dilution and premature polymerization.
- Rotating Guidewire and Foldable Microcatheter for Clot Navigation
A coil-driven rotating tip and axially foldable braided microcatheter speed vessel navigation and improve clot capture in bent or bifurcated paths.
- Catheter Guidewire Delivery with Variable Spacing and Straightening Detection
A movable second drive and straightening detection let a bent catheter be delivered in a smaller automated system without losing control.
- Laser-Cut Guidewire Tube Geometry for Flexibility and Torque
Successive non-180° beam angles in a laser-cut guidewire tube balance bending flexibility, tensile strength, and torque transmission.
- Actuatable Endovascular Tube for Tortuous Vessel Navigation
A controllable bendable tube tip improves navigation through tortuous blood vessels while reducing manual manipulation and guidewire replacement.
- Guidewire Catheter Tip Repositioning for IV Occlusion Recovery
A guidewire actuator repositions an occluded IV catheter tip to restore blood withdrawal or fluid infusion without catheter replacement.
- Guidewire Tip Shaping Tool for Precise Distal Bending
A sliding cavity-and-channel shaping tool forms repeatable guidewire tip bends, improving steerability and reducing vessel damage risk.
- Steerable Dilator-Guided Catheter Access for Right Heart Delivery
A steerable dilator guides the catheter over a guidewire to reach right heart targets in fewer steps while preserving inner diameter for larger implants.