Transvascular Endocardial Electrodes TRIZ Cases

Temporary water-soluble coatings on catheter liners reduce bond angles, facilitating air bubble evacuation from the lumen during medical procedures.

Diagonally spaced electrodes on an intravenous lead create diverse electrical field vectors to resolve limited stimulation efficacy in coronary vasculature.

A flared catheter inner surface accommodates pacemaker retrieval misalignment while a spring-biased capture member and vacuum source facilitate disengagement.

Segmenting the conducting arrangement into a proximal coil and tapered distal section reduces insertion diameter while maintaining MRI compatibility.

An electro-anatomical model simulates the mammalian His bundle to facilitate pacing lead implantation training.

A retrieval tool guide establishes a radial offset between its distal opening and the catheter receptacle to facilitate device snaring.

Segmented test ranges on a multi-pole left ventricular lead reduce time required to identify capture thresholds while maintaining measurement accuracy.

A medical device controller processes accelerometer and chemical sensor signals to determine patient posture.

Anchoring members feature compound curved structures that shift between delivery and deployed configurations for secure attachment.

A buckling catheter sidewall aligns its distal opening with an implanted pacemaker, resolving MRI compatibility and retrieval difficulty.

A cardiac lead with a continuously deflectable distal tip navigates coronary sinus branches, resolving steerability limits in flexible leads.

Segmented tips with inward radiused edges cut fibrotic tissue while preventing lead wrap, avoiding expensive laser equipment.

Magnetic transducers on opposite sides of a catheter joint measure deflection to prevent tissue perforation from excessive pressure.

A downsized left ventricular lead uses a fixed helical anchor to provide stable fixation in the coronary sinus.

A pivotable arm intrudes into a channel to frictionally abut an electrical lead, securing the cable within the anchor body.

A modified DVI pacemaker adjusts pacing intervals to prevent atrial tachycardia.

Sputtered porous platinum-iridium coatings boost electrochemical capacitance while minimizing catalytic side effects and iridium oxidation.

A leadless pacemaker uses pressure sensors to determine optimal pacing intervals.

An implantable medical device switches between multiple wireless communication modes to maintain reliable data transfer.

A coronary stimulation lead uses a sliding microcable secured by a coupling mechanism to establish reliable electrical connections.

A bipolar stimulation system uses an intravascular catheter and an extracorporeal electrode patch to generate a robust electric field for phrenic nerve activation.

A steerable guide wire assembly uses an actuator to apply differential push-pull forces on segmented wire portions for precise distal deflection.