Guide Wires TRIZ Cases

A guidewire torque device uses a perpendicular actuator and clamp to couple the wire for precise control.

A loading lumen extends through an intracardiac pump to guide a guidewire along a defined path.

A guidewire integrates a balloon and electrodes to perform sinus dilation alongside tissue ablation or coagulation.

Electroactive polymer actuators enable programmable shape changes in a steerable guide catheter body, resolving steering difficulties in tortuous vasculature.

Variable coil pitch relieves squeezing to improve rotational followability in curved pathways.

Segmenting the introducer via a slit allows removal without threading, reducing procedural time and complexity.

A coil with asymmetric cross-section features prevents wire rod sticking and bulging in medical guide wires.

A pressure guide wire embeds a sensor in an intermediate ring groove to monitor lumen pressure accurately.

Relative wire movement directs the loop away from impediments, enabling navigation into side branches.

Adjacent convex portions on opposing surfaces of a spiral slit tube disperse stress and rotation force, suppressing twisting while maintaining flexibility.

A bending and extending device uses belt-like flexible parts to slide within an elastic hollow guide unit for controlled motion.

A medical guidewire core shaft features a cylindrical part coated with hydrophilic material to reduce sliding friction against guiding catheters.

Directly welding dissimilar metal cores eliminates external connector tubes, minimizing the guide wire profile while maintaining connection strength.

A compression torque device uses a pivoting actuator to extend a flexible clamping member into a lumen for precise guidewire control.

Curved contact surfaces on the wire rod suppress axis misalignment and buckling in endoscope insertion sections.

A wire-mounted shuttle transports medical objects to targeted body sites via an elongate guide.

Segmented design with metallic tubular member resolves flexibility versus pushability trade-offs in tortuous anatomy.

A robotic catheter cradle enables manual mode switching for a steerable sheath without withdrawing the distal end from the patient.

Dual sleeves guide the wire through a sterile barrier, reducing contamination risk during manual Seldinger technique insertion.

Printed conductive traces on an insulative layer integrate sensors directly into the guidewire core.

A dual tip guide wire combines a sharpened piercing end with a spade boring end to merge surgical functions into one instrument.

Superelastic nitinol and a pigtail tip resist kinking, preventing heart wall perforation.

A spool-based guidewire storage apparatus with a brake mechanism controls wire retraction and prevents tangling.

A fiber optic cable constrains radial movement of an optical pressure sensor within a guidewire distal lumen.

Segmented guidewire core wires form predictable loops via controlled prolapse, resolving navigability challenges in curved body lumens.

Asymmetric coil orientation breaks rotational symmetry to measure roll angles, resolving the trade-off between precision and device complexity.

A spring-loaded clamp secures a guidewire along the central axis of a cylindrical housing to enable intuitive rotational handling.

A sensor guide wire uses a circular cross-section core wire in the tip region to enhance flexibility and pull strength.

A guidewire coil ribbon enables active distal deflection for precise vascular navigation.

Segmenting the core wire eliminates cantilevered mounting machining and reduces bending artefacts that distort intravascular physiological measurements.

A cone-shaped expandable foam implant features a removable polymeric covering for trans-septal delivery to the left atrial appendage.

A medical wire design uses sub strands twice the diameter of main strands to create variable cross-sectional areas for enhanced driving force.

Kinked electrosurgical guidewires concentrate electrical energy to cut obstructing heart valve leaflets, preventing left ventricular outflow tract obstruction.

Offset pad recesses constrain lateral motion and prevent device damage by maintaining secure center engagement during procedure manipulation.

An undulating winding on the guidewire improves steerability and control while reducing force needed to navigate tortuous gastrointestinal paths.

A dual-blade micro-cutting machine produces catheters with consistent dimensions using electronic controllers.

Nested tubular supporters with graded rigidity conform to curved trajectories, reducing tissue trauma during paranasal sinus access.

A catheter loading device uses a hinge to rotate a guidewire section, preventing glove perforation and catheter damage during insertion.

A medical guidewire uses Vectran fiber and a conductive strengthening element to enhance mechanical strength.

L-shaped hook insert retains guidewire carrier, preventing distal tip migration and bending during shipping.

A collapsible member on a guidewire harnesses blood flow drag to orient the device toward maximal flow areas.

A medical guidewire uses a stranded wire and inner flexible tube to maintain flexibility.

A guide wire integrates a colored marker layer within a transparent coating to ensure visibility.

Segmented guidewire paths with exterior eyelets prevent knotting and reduce friction for smoother catheter advancement.

A catheter coil uses variable pitch spacing to balance distal flexibility with proximal rigidity.

Guidewires with integral radiopaque markers reduce device exchanges and vessel damage during endovascular procedures.