Surgical Navigation Systems TRIZ Cases

Segmented insulated and non-insulated splines let one basket catheter map cardiac signals and deliver RF ablation with less complexity and cycle time.

Wearable sensor packages replace cumbersome fluoroscopy movement with real-time 3D tracking of instruments and personnel during surgery.

Feature-point motion classification selects X-ray images least affected by aperiodic body motion for accurate 3D device tracking.

Visual depth cues on orthographic cardiac maps show catheter position relative to chamber walls, improving navigation and ablation precision.

Expected-motion tracking flags true patient tracker displacement during surgery while avoiding breathing-related false alerts and recalibration.

Real-time simulation and feedback correction help a medical arm adapt autonomous control to changing body environments during endoscopic surgery.

Optical tracking of skin markers and a dual-robot needle inserter compensates for respiratory motion to improve puncture accuracy.

Elasticity-based limit maps guide catheter paths around tissue stress and deflection risks, reducing vessel injury during insertion.

Real-time tracking overlays the hidden instrument tip on patient images, guiding power adjustment and avoidance of critical anatomy.

Intraoperative bone-surface imaging is matched to the surgical plan to confirm entry point and trajectory in minimally invasive surgery.

Optical tracking and dual-robot coordination keep puncture needles aligned despite respiratory motion and tissue extrusion, reducing reinsertions.

Visual depth cues on orthographic cardiac maps show catheter position relative to chamber walls, improving real-time navigation and ablation.

Fiber Bragg Grating sensing maps temperature along the ablation probe, enabling real-time energy adjustment to avoid skin burns.

Heat-shrinkable drape sections self-align optical windows on surgical robots, reducing distortion, user error, and window movement during surgery.

Blob-based light adjustment helps surgical trackers maintain precise fiducial detection when workspace lighting degrades camera tracking.

Tracked joint markers reveal deformity mismatches during surgery, prompting alerts and correction to improve implant alignment.

Feature-point motion classification selects X-ray image pairs with minimal body motion influence for accurate 3D device tracking during interventions.

A switchable coupling lets one endovascular MRI probe alternate between precise tip tracking and local high-resolution imaging while reducing RF heating.

A traction drive imprints a mechanical signature that shape sensing tracks to localize flexible device insertion and improve positioning.

A low-current IR-LED array powered by a single button cell enables lightweight surgical tracking without cords, sync circuits, or added fatigue.

A handle gyrosensor counter-rotates the endoscopic camera view, keeping vessel anatomy upright and reducing manual image stabilization.

A bone-mounted clamp stabilizes the registration marker, preserving virtual-to-physical alignment accuracy during orthopedic joint repair.

A lockable adapter and connector let hip surgery instruments switch quickly between rigid robotic control and manual handling for accurate placement.

A planned surface overlay in mixed reality guides bone graft cutting on a marked support, improving shaping accuracy and speed under surgical time pressure.

Alternating tracking and steering modes let clinicians locate and magnetically guide a device tip while reducing interference with pacemakers.

Image-guided control improves flow diverter positioning and vessel wall apposition, reducing recapture, complications, and replacement cost.

A robotic endocavitary guide repositions and stabilizes bodily canals to keep internal tissues aligned with the radiation beam across sessions.

A keyed receiver and preloading mechanism create repeatable six-point attachment, preserving tracker alignment without recalibration.

Neural prediction of future catheter or guidewire positions helps reduce trial-and-error adjustments and improve navigation accuracy in anatomy.

A mixed reality overlay shows the current and potential imaging field of view on the body, helping assistants work accurately in confined procedures.

Real-time impedance and temperature indicators show electrode contact quality, helping align balloon catheters before ablation.

Stacked orthogonal electrode pairs improve tissue contact sensing and circuit-core mapping, enabling more precise AF ablation with less damage.

A robotic elliptical mask captures 3D cranial surface data to automate registration and keep neuronavigation accurate despite brain shift.

Virtual preoperative planning and a patient-specific jig use non-parallel reaming axes to preserve native bone and place glenoid augments accurately.

Haptic feedback from a shape-sensing optical fiber deforms a reference X-ray image to track hollow organ changes during intervention.

An iterative C-arm calibration model uses fixture imaging and infrared tracking to improve surgical navigation accuracy without cumbersome hardware.

Orthogonal stacked electrode pairs detect circuit cores and contact orientation, enabling more precise cardiac fibrillation ablation with less tissue damage.

Anti-phase orthogonal coil pairs create spatially varying AC magnetic fields that keep probe tracking accurate near MRI metal.

Sensor-guided autofocus predicts articulated microscope movement and adjusts focus in real time to reduce refocus delays and user errors.

A dual-coil catheter combines magnetic position tracking with tissue impedance and ECG sensing to cut sensor count and improve mapping precision.

Remote visible light reflects from surgical trackers to signal blocked or changed conditions without interrupting optical navigation.

A laser-etched 2D target plate lets a surgeon’s AR headset register patient anatomy accurately without costly magnetic or optical tracking.

Rotating open apertures capture and lift circular trackers off posts without disturbing the tracking array or losing registration.

A pivoting ROM tensor and navigation tracking measure tibia-femur gaps before bone cuts, improving ligament balancing in TKA.

A snap-fit hub and holder let pre-assembled navigation markers attach quickly to surgical instruments while preserving stable, accurate positioning.

Neural-network virtual fiducials map camera images into imaging coordinates to correct subject motion without physical markers.

A dual-coil catheter sensor combines ECG pickup, tissue proximity detection, and magnetic localization to improve accuracy without separate sensors.

A compressive biasing element lets a surgical tracker rotate into view while limiting free rotation, improving navigation accuracy and simplifying assembly.

Flexible irrigated catheter arms conform to uneven cardiac tissue, improving mapping and ablation contact while reducing coagulation at the electrodes.

Real-time AR fuses fiducial markers, external imaging, and camera tracking to visualize tools and vascular structures with higher precision.