Surgical Navigation Systems TRIZ Cases

An optical laser measurement replaces mechanical rollers to determine travel stand position, compensating for floor irregularities and elastic deformation.

Electromagnetic tracking restores depth perception lost in 2D endoscopy by superimposing position data onto stereoscopic images.

A robotic surgical system dynamically adjusts motion scaling factors based on instrument type and procedure context.

A registration process using RF coil fiducial markers aligns surgical instruments with patient anatomy models.

A respiration compensation system updates catheter position in a 3D model using sensor-detected waveforms.

A data processing device compares patient landmark spatial patterns with model landmarks to determine anatomical body regions.

Ablation catheters estimate cardiac wall thickness by assessing electrogram signal amplitudes after applying sequential pulses.

Mechanical registration of shape sensors via imageable fiducial markers eliminates magnetic interference errors during minimally invasive procedures.

A medical navigation system identifies instruments by measuring relative distances between reference array markers without pre-stored geometries.

Combining optical tracking with inertial navigation maintains measurement precision when line-of-sight signals are obstructed.

A calibration jig uses Helmholtz coils to generate a magnetic field for precise position sensing of catheter distal ends.

Electronic control unit adjusts ablation energy based on intracardiac electrogram noise signals.

A medical robotic system uses multi-mode camera control to manage translational and orientational movements via dedicated input devices.

Encoder system tracks medical device movement through a support channel, enabling automatic return to a stored zero position during ERCP procedures.

A reference device moves with the pelvis to register anatomical orientations using detected landmark positions and computational processing.

Segmentation and intermediary components isolate parasitic robotic loads, enabling accurate force measurement during navigation through tortuous vasculature.

Reconnectable coupling mechanisms restore power transmission in continuum robots, preventing downtime caused by wire breakage.

Conductive traces on a flexible substrate enable robust sensor connections in elongate medical devices.

A surgical navigation system registers patient-specific instruments to track tool positions accurately during hip arthroplasty procedures.

A projection unit maps a catheter tip position onto a vascular surface representation to display spatial relationships on a two-dimensional screen.