Surgical Navigation Systems TRIZ Cases

An acceleration sensor detects instrument motion within moving tissue to enable precise position tracking during medical interventions.

A virtual model surface offset by the scanning tip radius enables accurate position assignment.

Fiducial markers on drill guides enable image processing systems to calculate and overlay precise hole position data onto endoscopic views.

A surgical system calculates hardware position relative to planned bone resection volumes to guide safe implant placement.

A joint balancing apparatus uses a transducer and actuator system to provide real-time feedback during surgery.

Teleoperated medical instrument manipulator segments control inputs to reduce operator cognitive load while maintaining precise tissue navigation.

Fusing passive MRI and active optical data via a composite marker eliminates registration time while maintaining alignment accuracy.

A capsule endoscope adjusts imaging frequency via a sensor and counter matching movement speed, reducing unnecessary power consumption.

A removable bone clamp attaches a trackable femoral marker without penetrating the bone, reducing pre-operative imaging needs.

Time-division coil control estimates insertion portion shape, resolving the trade-off between detection precision and frame rate.

Navigation systems project loads across spinal implants to resolve diagnostic limitations in target geometry determination.

A surgical retractor integrates force and torque sensors into its blade assembly to provide real-time mechanical feedback during robotic procedures.

A guidance system registers live endoscopic video with precomputed 3D airway models to track the instrument position during procedures.

Integrates acceleration, electrical, and magnetic sensors to determine catheter position and orientation in space.

A surgical controller uses rule-based spatial tracking to maintain stable endoscope positioning during laparoscopic procedures.

A stereoscopic video camera detects optical markers on a rigid body to acquire preset points for cerebral neuro-navigation.

Digitizer probe calculates distances between recovery markers to guide precise surgical placement.

A surveillance marker system detects dynamic reference base dislodgment in robotic surgery without rigid attachment.

A femoral neck fracture navigation system aligns preoperative CT models with intraoperative X-rays using digitally reconstructed radiograph projections.

Automated registration system aligns image space with patient anatomy using fiducial markers, eliminating manual point selection delays.

A microwave ablation catheter integrates a conductive inner surface within its extended working channel to function as an electromagnetic balun.

A flexible conductive frame integrates multiple wires into a single structure to support multi-electrode assemblies.

Segmented transmitting elements shape the field distribution to reduce magnetic field distortion from ferrous objects.

A calibration apparatus moves an ultrasound probe through known points to mark images with a radio frequency signal.

An adjustable depth stop limits reamer translation to reduce procedure time and radiation exposure during hip arthroplasty.

A laser guidance system projects light beams to align surgical needles with target trajectories.

A nested optical fiber configuration augments shape sensing precision within flexible medical tool bodies.

A movable shaft tracker encircles an instrument shaft to resolve tracking accuracy versus insertion size trade-offs in minimally invasive surgery.

An internal position sensor fixed to a nasal pack tracks head movement, resolving external sensor displacement issues during ENT procedures.

A small tracking device features a removable tip and position-indicating sensors for precise anatomical monitoring.

A medical instrument identification setup uses a sensor carrier with multiple localizers to determine position and orientation data for automatic device recognition.

Curvature-based basis functions replace straight-line models to resolve systematic errors from sensor impedance variations in catheter position monitoring.

A cup positioning instrument uses an inertial sensor unit to guide precise abduction and anteversion angles during hip surgery.

A visualization system highlights critical surgical path segments using color coding to alert surgeons of proximity risks.

Inflatable balloon secures spines to maintain radial distribution, resolving friction-induced mapping inefficiency in irregular heart anatomies.

A monitoring system detects medical object orientation using imaging and sensor arrays.

A reusable medical device patch uses layered adhesive members and a cushion to secure devices to patient skin.

A medical probe with elongated electrodes identifies tissue contact segments to render 3D models with visual markers.

A surgical robot network executes stored movement data files to prevent adverse events during procedures.

A flexible skin-based patient tracking apparatus uses an adhesive layer and outer covering to secure surgical tracking elements directly to the body surface.

A tissue retraction system uses a drive gear and linking members to rotate retractor blades along multiple axes for customized surgical exposure.

An auxiliary display shows instrument joint angles and field of view to support operator control.

External force detectors on a flexible tube provide twisting information to release loop sections, reducing patient discomfort during sigmoid colon insertion.

Segmented tubular members enable minimally invasive access by balancing flexibility for navigation with rigidity required for effective bone sculpting.

Processor defines optimal imaging viewpoints to resolve novice user struggles with manual adjustment.

A sensing element and processor create a transformation matrix to detect surgical machine position changes.

A flexible endoscope insertion support system calculates rotation quantities using direction vector information acquired from multiple measurement points along the insertion section.

A position sensing system uses calibration currents to determine investigation-tool locations within a patient body.

Nested camera tubes and sterile barriers resolve size and contamination trade-offs in single-port surgical imaging.