Surgical Navigation Systems TRIZ Cases

Mapping transformation links catheter electrical readings to 3D image points, resolving positioning accuracy issues while reducing radiation exposure.

A surgical robotic arm control system uses image capturing units to generate environment information images for autonomous movement.

A rotatable reference element adapter integrates directly onto an instrument shaft to enable precise angular positioning.

Integrates voice sensors into surgical masks to capture vocal commands directly from the surgeon.

Elastic band mediates reference system attachment to thigh, enabling precise femur length measurement without invasive bone drilling.

Estimating zero-frequency impedance from dual-frequency measurements reduces capacitive distortion to maintain accurate probe location tracking.

Patterned fiber attachment configurations eliminate backscatter interference to achieve accurate tip tracking in dynamic medical instruments.

Optical tracking with sensor units determines six degrees of freedom for prosthesis alignment, correcting leg length offset errors.

A computing device constructs 3D volumetric data from standard fluoroscopic images using a fast iterative algorithm.

A portable surgical orientation device uses accelerometers and gyroscopes to monitor alignment angles during joint replacement procedures.

A correction jig limits a master manipulator joint to a straight state, resolving misalignment when the slave navigates bent body sites.

An integrated camera and electrocautery base enable precise sternum cutting while protecting cardiac structures from injury.

Integrating inductive coils into elongated support members improves catheter positioning accuracy while reducing device complexity.

Computing device detects fiducial marker position deviations between surface scans to update patient registration in a tracking system frame of reference.

Pauses demodulated data streams during magnetic noise generation to prevent frequency discontinuity and preserve positioning capability.

Segmented markers with mirror symmetry reduce mechanical torque on bony structures while maintaining reliable three-dimensional position determination.

Distinct magnetic field temporal profiles resolve signal interference, enabling accurate simultaneous tracking of multiple medical targets.

A flexible magnetic sensor catheter system generates corrected coordinates to stabilize probe visualization.

A diagnostic module terminates power when current, speed, or position exceed thresholds, preventing unintended catheter movement.

A 3D image calibrator with marked points mediates coordinate fusion between imaging devices and robotic arms.

A data processing method calculates artificial knee joint range of motion using virtual positions and ligament lengths.