Surgical Navigation Systems TRIZ Cases

A surgical navigation instrument uses a polyaxially displaceable handle to bend a flexible shaft section via tensioning elements.

A spatial reference structure on an X-ray diagnostic tool enables precise coordinate transformation between the imaging system and a position-determining pointer.

A surgical robot base uses omni-directional wheels to enable precise multi-axis movement of the end-effector.

Automated surgical navigation system calculates optimal implant trajectories using patient-specific imaging data.

Active fiducial markers with independent power sources emit distinct spectral bandwidths to enable precise optical tracking in surgical navigation systems.

Surgical support system tracks bone markers to display real-time alignment, resolving preoperative simulation limitations.

A catheter handle interface module integrates imaging controls directly into the device grip.

Multi-plane reflector array on arthroscopic instruments expands stereoscopic camera visibility range.

A method determines three-dimensional location and orientation of a fiducial reference using scan data and predetermined geometric information.

A virtual collimator overlay segments patient regions on imaging device displays to predict radiation exposure zones.

A handheld imaging unit captures marker device images to determine spatial relationships relative to a knee resection plane.

Orientation sensors attach to bones to register anatomic reference frames and calculate real-time alignment parameters between skeletal structures.

A magnetic sensor system tracks catheter position using field detection.

Multi-electrode catheters measure electrical impedance to detect pulmonary vein placement, preventing ablation energy delivery to non-target tissues.

A medical imaging system adjusts camera parameters based on predicted surgical scene changes to maintain optimal view conditions.

A motorized carriage moves a sensor through electromagnetic vectors to generate precise field maps for navigation systems.

A surface tracking surgical robot aligns drilling tools using 3D geometry scans and feedback control.

A coupling device joins lymphatic channels into a vein using intussusception and tissue grasping elements.

A movable bed synchronizes with probe advancement to extend the effective tracking volume within a medical imaging apparatus.

A quantitative three-dimensional endoscope provides real-time haptic feedback based on tissue deformation measurements.

A tracking device secured to a robot arm uses a control marker in a constant spatial relationship for position detection.

Merging registration and tracking frames eliminates coordinate transformations, resolving setup flexibility constraints while maintaining registration accuracy.

A cylindrical sheathing member provides torsional rigidity to prevent twisting of the optical fiber, enabling precise calculation of bend shapes.

Virtual calibration using Helmholtz coils eliminates complex gantry systems, resolving the trade-off between measurement precision and device complexity.

An insulated metal coagulation electrode prevents short circuits between conducting surfaces while maintaining instrument compactness.

A control device filters position measurement data using a dynamic plausibility threshold to determine the operating point of a medical instrument.

Electrical contacts transmit signals through catheter steering wires to determine wire length, resolving inaccuracy from mechanical compression.

Infrared tracking detects indicator balls to determine broken bone spatial pose, eliminating radiation exposure from continuous X-ray fluoroscopy.

A planning system defines effective treatment volumes and virtual targets for percutaneous needle placement.

A multiple coil system detects electromagnetic fields from radiating elements to determine relative positions of medical devices and landmarks.