Surgical Navigation Systems TRIZ Cases

A steerable medical device processor retrieves ordered waypoint sequences to generate configuration commands for its articulatable segments.

A hybrid surgical tracker uses a subcutaneous marker to maintain tracking precision.

A dynamic reference frame positioning member features a bone engaging portion with cutting edges for percutaneous insertion into anatomical structures.

An in-line milling system aligns the drill with the handle to create precise triangular cuts in the proximal femur.

Combines headset and auxiliary camera feeds to maintain tracking continuity when personnel obstruct single viewpoints.

A multisource scanning X-ray tube emits beams at different target locations without moving the tube or patient.

Segmenting the tracker from the tool via a bone-mounted reference resolves space constraints in minimally invasive surgery.

Pulsed high power radiofrequency ablation induces resistive heating to form deep tissue lesions without steam pops.

A surgical navigation system tracks probe pose to determine virtual implant placement and adjusts the model in response to probe movement.

Simultaneous calibration method merges actuation and sensing models to resolve time-accuracy trade-offs in capsule endoscope positioning.

A sterile optical sensor system calculates real-time leg length and offset measurements during navigated surgical procedures.

A guidance module overlays visual cues onto endoscope images to direct navigation toward selected anatomical areas of interest.

A navigation system reconstructs 3D hip models and tracks instruments to guide prosthesis placement during surgery.

A localization system uses a three-dimensional lookup table to determine electrode positions and calculate observed distances for spatial mapping.

Surgical instrument uses adjustable legs to register the pelvis for anterior hip surgery.

Concentric tube manipulators navigate confined nasal pathways to resolve dexterity and strength trade-offs.

External force detectors monitor resistance during twisting to eliminate loops while preventing patient pain from excessive stretching.

An optical scanner correlates an object with a registration element in a 3D surface image, eliminating the need for additional CT scans during surgery.

Asymmetric electromagnetic shielding reduces eddy currents and coordinate determination shifts caused by moving x-ray sources and c-arms.

Velocity vector maps process electrogram signals to locate cardiac rhythm disorder sources, resolving imprecise ablation targeting.

A catheter device uses a magnetic element and suction cup to attach to and retrieve thrombi from vessels.

A surgical tool guide tube integrates sensors to detect instrument position features, resolving manual positioning errors in complex bone structures.

A computational system generates precise prosthetic orientations using intraoperative bone tracking data.

Internal baffles diffuse irrigation fluid for uniform cooling while the embedded sensor avoids bending stress exposure.

Optical fiber arrangement on the curve axis reduces bending stress and twisting, maintaining high curved shape detection accuracy.

A rigid electronic device with a video camera determines the mechanical axis of a bone by capturing images of a stationary marker.

Evaluation unit analyzes real-time images and sensor data to detect safety-relevant situations during robotic procedures, preventing path deviations.

A capacitive finger clutch enables zero-force actuation for surgical robotic user interfaces.

A surgical navigation system registers two distinct 3D medical images to determine instrument position without requiring a reference marker in the active imaging volume.

An implanted radioactive fiducial marker provides a precise reference point for gamma cameras, resolving localization inaccuracies in dense breast tissue.

Segmented arms and gears enable multiple bone cuts in distinct planes without increasing device complexity or volume.

External magnetic field sensors detect a rotating magnet inside the medical device to determine position and orientation without invasive imaging.

A motorized collimator system uses a camera to overlay the radiation field of view on patient images for precise positioning.

An anatomical measurement wire collects geometric data to generate parametric vessel models without expensive imaging equipment.

Non-penetrating fixation interfaces join upper and lower parts through the drape, preserving sterility when screw connections require drape cuts.

A surgical tracker assembly uses a multipositional receptacle and projection system for secure attachment.

A disposable radiolucent marker foil device enables passive optical tracking in image-guided surgery.

A surgical navigation receiver coil detects interchangeable instruments using a ferromagnetic prong inserted into its core, eliminating manual calibration.

A catheter tracking system uses electrical conductivity mapping to determine position within the heart cavity.

A multi-configuration tracking array integrates sensors that change conditions to indicate instrument orientation shifts.

Segmented thermal sensors monitor temperature to prevent coagulum formation while maintaining precise lesion creation during cardiac ablation.

Catheter electrodes detect tissue electrical potentials to generate visual characteristics on organ renderings.

A guidance system generates intraoperative 3D models from sensor point cloud data to map optimal approach paths for medical instruments.

Calculated position of a surgical device relative to an imaged patient region resolves visualization gaps in image-guided surgery.

A registration method uses 2D X-ray images to detect radiopaque fiducials for aligning 3D medical scans with a phantom.

Fusing impedance and magnetic measurements stabilizes catheter tracking against patient movement and device shape changes.