Surgical Navigation Systems TRIZ Cases

Nanofiber adhesives bond to wet tissue through absorption and interpenetration, stabilizing surgical navigation trackers without bone screws.

Dual-plane radiopaque marker patterns support accurate image registration, while optical markers link the fixture to a 3D tracking space.

An x-ray opaque fiducial pattern on the detector correlates C-arm source offsets, aligning fluoroscopic images with medical navigation coordinates.

Hybrid sensing aligns electromagnetic sensors with fiber optics for accurate pose tracking.

The navigation system sweeps 300 Hz–30 MHz, selecting lower-distortion frequencies for tracking around surgical metal tools.

Optical signals are fused with gyroscopes and accelerometers to maintain continuous marker tracking when line of sight is obstructed.

Image processing maps instrument-tip movements to a pointer, enabling menu control without moving attention away from the surgical site.

Radiopaque markers with unique indicia and secure attachment improve surgical boundary identification on scans.

An EAM electrode tracks the medical dilator tip without fluoroscopy, supporting precise placement while helping avoid non-target tissue.

A robotic surgery system monitors tool light levels and restricts out-of-view movement to reduce accidental organ injury.

A tracking device predicts the visible marker face and selectively activates IREDs to speed accurate tool pose determination.

Control surgical-device menus with the instrument tip while keeping the surgical field in view.

Trackable members stay fixed to the handle, preserving tracking accuracy during surgical instrument exchanges without recalibration.

A surgical display overlays instrument controls to improve intuitive actuation, dexterity, and visual feedback in telesurgery.

This case combines preoperative planning, dynamic force-line data, and robot-guided bone cutting to improve prosthesis placement accuracy.

This case combines fluorescence excitation, red-light background capture, filtering, and signal superposition for clear surgical images.

Track limb devices with ultrasound, magnetic sensing, and AR—without ionizing radiation.

Multiple marker sets merge into a virtual reference frame, sustaining robotic arm pose verification despite partial surgical occlusion.

Camera-tracked path planning positions the surgical robot dynamically, reducing repositioning while preserving arm stability and precision.

Portable robotic guidance improves spinal tool precision with less setup and obstruction.

Camera tracking positions the surgical robot to stabilize arm motion and improve bone-cut precision.

A rotating ring and electromagnets guide a swallowed capsule through automated, comprehensive stomach imaging.

Real-time femur and pelvis tracking calculates a shuck length vector to guide hip offset and leg-length adjustments.

This case compares commanded and actual tool states to adjust feed rate or path, reducing regenerative cutting errors.

This case pairs a stopping surface with tuned shank holes to position an oscillating surgical blade and reduce resonance.

A controller switches virtual boundaries by operating mode, balancing manual bulk cutting with precise autonomous finishing.

Ultrasonic beacons encode pilot and information signals to pair auxiliary devices with the right medical system and avoid mispairing.

Feedback-controlled stiffening maintains the distal tip position while interchangeable probes support smaller-diameter catheter navigation.

A catheter support structure mates sensor components to preserve relative pose and improve shape and navigation calculations.

Marker tracking converts fluoroscopic sweeps into accurate 3D imaging.

Optical-fiber strain sensing is cross-checked with robotic, electromagnetic, and imaging data to refine instrument shape in real time.

A slidable needle and controlled pressure source support precise radioactive delivery to deeper tumors while limiting leakage.

An imaging device directs light to a target site, while sensor detection guides instrument movement for steadier positioning.

Impedance or force-based contact assessment changes IEGM trace brightness or color, helping physicians position multi-electrode catheters.

High-frequency pulses and patch selection deepen ablation while limiting muscle stimulation.

A balloon catheter combines electroporation delivery with sensor-array feedback to track tissue ablation and reduce assessment delays.

Multiple knee measurements guide femoral and tibial implant placement, while robotic resections reduce overhang and edge loading.

Multiple position datasets and volume comparisons flag tenting artifacts before they distort maps used for ablation guidance.

Embedded sensors measure alignment, load, and motion to guide consistent prosthetic adjustment during knee replacement surgery.

Skin-based sensors calculate surgical angles and distances, simplifying navigation while avoiding invasive bone pins.

Varying standoff heights keep markers visible to overhead cameras and reduce tracking errors as surgical instruments move.

Patient image registration guides robotic electrode placement, tracks movement, and adjusts EIT data to improve anatomical imaging.

Image-based boundary and trajectory zones help clinicians avoid vulnerable structures during minimally invasive instrument navigation.

A fillable-balloon catheter focuses shock waves on bony obstructions for deeper sinus dilation and reduced mucosal damage.

Exciter and sensor coils detect signals from spaced tags to track surgical tool position and orientation while preserving maneuverability.

This case replaces failure-prone cams and pulleys with pull-wire actuation for fixed, precise distal-end steering.

This case uses motion sensing and spasm mapping during PFA to guide ablation and limit nerve stimulation near cardiac tissue.

Force-sensed anatomy registration replaces line-of-sight tracking in robotic surgery.

Optical and inertial navigation helps align hip components and reduce dislocation and leg length discrepancies.

Movement patterns from a sensor-equipped registration probe control IGS functions while preserving the sterile field.