Surgical Navigation Systems TRIZ Cases

A single-chassis synchronized robotic setup uses cameras and markers to place spinal endoscopy ports precisely while reducing arm collision and radiation exposure.

Pre-op image registration and optical tracking guide surgical instrument position in real time, improving placement accuracy without extra radiation.

A carrier secures single-use reflective markers in surgical navigation arrays to maintain alignment, damp vibration, and support reusable arrays.

Ultrasonic pilot signals let auxiliary devices pair with the right medical system quickly while avoiding repeated decoding within a threshold time.

Non-rectangular TDM pulses on catheter electrodes cut IEGM spikes and DC artifacts while preserving accurate position tracking.

Magnetic sensor arrays and deep learning improve in-body medical tool tracking accuracy without mechanical coupling or external field interference.

A patient-specific vertebral marker and end-effector optical tracking replace intraoperative X-rays while maintaining real-time spinal positioning.

Pose chaining across visible and near-infrared cameras maintains accurate surgical tool tracking when line of sight is obstructed.

A non-rotational marker pattern links CT or MRI data with laparoscopic views to improve liver surgery orientation and AR guidance.

iFM and iAM analysis from a single optical or electrical signal identifies fibrillation drivers and rotational footprints without panoramic mapping.

Real-time preference range warnings help surgeons adjust implant planning parameters during arthroplasty while preserving positioning accuracy.

Optical markers combined with inertial sensing improve robotic arm and tool tracking when line of sight is limited during image-guided surgery.

Inertial sensors correct EM tracking errors from metal distortion, helping surgical navigation maintain accurate pose data and avoid workflow delays.

Maps 6-DOF surgeon input to a lower-DOF robotic arm using projection, RCM-aware constraints, and scaling to reduce ambiguity and vibration.

A sensor-equipped guiding sheath tracks interchangeable catheter inserts and simplifies mapping and ablation during cardiac procedures.

A see-through head-mounted display overlays virtual implants on the spine to solve monitor-to-field misalignment and improve surgical fitting.

A distal magnetic sensor on an independent wire calibrates impedance-based electrode location and improves anatomical mapping accuracy.

Haptic force constraints guide surgical instruments into target-axis alignment, avoiding mechanical jig setup and reducing procedure time.

MRI images are converted into a CT-guided 3D mesh for fluoroscopy registration, improving navigation accuracy without added radiation.

Real-time force-based PFA ablation index prediction helps physicians control lesion size and depth more consistently during cardiac ablation.

Orthogonal stacked electrode pairs improve tissue contact detection and map circuit cores for more precise cardiac fibrillation ablation.

Patient-wearable sensors triangulate the stylet tip to correct torsion-driven orientation errors and enable radiation-free intravascular visualization.

Integrated retractors and spacers keep the fiducial marker accessible during robotic surgery, avoiding separate positioning steps.

External detectors create a stable anatomical reference for real-time catheter guidance, improving placement accuracy without X-ray.

Independent patient-to-robot and patient-to-navigation registrations reduce transformation-chain error and improve surgical alignment accuracy.

A composite 2D view aligns projected 3D anatomy with a live ROI slice to show true instrument position during guided intervention.

Maps work volumes, no-fly zones, and instrument voids to plan safe robotic arm paths inside patient anatomy without collisions.

A biasing tracker adapter lets surgical trackers rotate to avoid line-of-sight blockage while limiting movement for accurate navigation.

A reconfigurable marker layout replaces multiple surgical DRFs, cutting cost and contamination risk while preserving instrument identification accuracy.

Arcuate marker mounts improve thrombectomy positioning within a thrombus, enabling accurate expansion, capture, and removal with less tissue damage.

Force-vector sensing helps locate true catheter tissue contact on curved heart surfaces, improving electro-anatomical map accuracy.

A biasing rotational adapter lets a surgical tracker be repositioned around the handpiece to avoid occlusion while preserving tracking accuracy.

An accelerometer at the distal tip combines with insertion length data to map endoscope position in real time without fluoroscopy.

Image processing isolates tool features inside a catheter to calculate rotational offset and improve installation accuracy in minimally invasive procedures.

A sensor-oriented navigation adapter offsets EMI from rotating ENT tools, enabling accurate real-time image-guided positioning.

Real-time optical tracking aligns robotic bone cuts without invasive pin fixation, reducing fracture risk and manual adjustment error.

Combining remote localization with elongation sensing improves flexible instrument position, orientation, and shape tracking during minimally invasive procedures.

Preplanned CT pathways are aligned with intraprocedural anatomy using 3D registration and sensor tracking for more precise biopsy and ablation catheter placement.

Temperature tracking flags when a heated surgical instrument touches patient tissue, enabling alerts or mitigation before injury occurs.

A compact sensor-based knee balancer measures joint gaps and angles with the patella in place, improving arthroplasty balance and implant placement.

Electrode impedance sensing guides intravascular device positioning and tissue contact while reducing fluoroscopy and contrast use.

A rotatable alignment target with an optical angle indicator keeps surgical tracking accurate during repositioning without re-registration.

Sensor feedback lets the controller adjust cutter speed and force automatically, improving lesion cutting workability in blood vessels.

Impedance sensing and pre-acquired imaging keep surgical tool registration aligned with the plan while warning of anatomical transitions.

Optical tracking records a probe path inside an anatomical structure so surgeons can verify removed matter and remaining clearance before implant installation.

Electrode impedance sensing warps a virtual catheter tip display to guide movement away from heart walls while reducing fluoroscopy use.

A see-through ENT display overlays CT data and instrument position on anatomy to reduce view switching and spatial disorientation.

Measures relative motion between bone and implant during surgery, helping assess cementless fixation stability and fixation choice.

Precomputed airway tree guidance lets physicians select unplanned ROI sites and derive accurate live endoscopic routes with less fluoroscopy.

An evaluation model adjusts CT control scan settings from object path and scan plane data to reduce metal artifacts and preserve needle visibility.