Surgical Navigation Systems TRIZ Cases

A robotic catheter system displays navigation parameters relative to threshold values to guide corrective actions.

Pivotable handles and symmetrical connectors resolve ergonomic discomfort during non-standard saw orientations while maintaining precise tracking.

Calibrating parasitic field distortion from magnetically-responsive objects enables accurate surgical tool tracking.

Opposing transducers track catheter probe movement relative to cavity walls, compensating for signal blanking regions when sensors approach the wall.

A dedicated user interface for MR-guided interventions displays visual indicators on a frame to show needle position and real-time slice location.

Computer-assisted surgical system aligning reference frames using integrated infrared and CT markers for real-time instrument tracking.

Distinct waveforms synchronize magnetic field generation and detection, eliminating wired timing cables and authentication units.

Snare tools grasp the flexible device to provide auxiliary support, resolving the trade-off between small incision size and insufficient force capability.

Segmented reaming tools reduce auxiliary component count while maintaining preparation precision during complex knee implant surgeries.

Color-coded catheter handles sync with display screens to eliminate physical probing and prevent procedural errors.

A registration probe captures position data along anterior and lateral head regions to register patient anatomy with an image-guided surgery system.

A user interface filters heart electrical activity signals to display only relevant locations.

Processing circuitry moves a virtual camera to follow cardiac activation waves, eliminating procedural delays from static map visualization.

A signal regeneration device uses a low pass filter and comparator to process infrared signals.

A localizer coil array generates an electromagnetic field to track external needle orientation relative to an implanted medical device.

Fiber Bragg grating strain sensors in an ablation catheter measure myocardial contact force to prevent tissue damage and ensure precise orientation.

A catheter navigation system maps intrabody electrical field measurements to anatomical positions using mathematical transforms.

A surgical microscope controller identifies tools in camera images using object data and set imaging scale.

A segmented magnetic field generation device detects endoscope insertion shape through discrete position tracking.

Real-time offset calculation aligns electromagnetic tracking with x-ray imaging, eliminating manual verification delays in minimally invasive surgery.

A sensor-equipped distractor measures force and pressure during knee arthroplasty to verify implant positioning.

Imaging scans segment existing implants to register 3D models, enabling precise bone cement removal without damaging surrounding bone structure.

Augmented reality headset overlays surgical navigation data directly into the surgeon's field of view.

A planar mirror redirects optical paths for a single camera to detect X-ray phantom markers.

Computer-assisted tracking determines prosthesis position without preoperative imaging, reducing manual adjustments and improving alignment accuracy.

Navigation system overlays pre-operative CAD models onto post-operative images for precise implant position confirmation.

A secondary acceleration sensor captures mounting component vibrations to correct primary motion tracking errors in medical imaging systems.

A retro-reflective medical tracking marker uses electromagnetic energy to alter surface reflectivity and encode spatial data.

Processing unit compares calculated and measured acceleration data to define a femoral frame of reference.

Three straight rods constrain the optical fiber to maintain sub-micron accuracy and stability while preventing strain on the launch region.

An impedance catheter navigates arterial vasculature using conductance data, reducing x-ray exposure risks while enabling precise medical procedures.

Segmented irrigation lumens enable independent fluid control for each electrode, reducing patient fluid load while accelerating lesion formation.

Optical detection units monitor flexible insertion member displacement to resolve the contradiction between detailed state information and device complexity.

A medical tracking system fuses orientation and position data from independent sensor devices to determine relative device placement.

A rangefinder apparatus paired with an inertial sensor unit tracks distance and orientation data to calculate anatomical dimensions in computer-assisted surgery.

A cranial plug housing features a central access hole to guide an intracranial monitoring probe through the skull.

Dynamic frequency and amplitude selection isolates lower-order distortion terms, improving tracking accuracy without complex calibration.

Multi-directional moiré patterns on a single reflector resolve the trade-off between high tracking accuracy and low manufacturing complexity.

Robotic surgical devices create precise planar bone cuts for total knee arthroplasty implants using contingent manual instruments.

A remote navigation system steers a deflectable sheath and ablation catheter to position medical devices within subject anatomy.

Joint sensors feed a kinematic chain to track C-arm positions, replacing costly optical localizers that require unobstructed line of sight.

System suspends position map updates when electrocardiographic signal saturation indicates cardioversion, preserving tracking accuracy.

A method calculates average local activation times to produce propagation vectors for electrophysiological wave mapping.

Frequency-shifted RF beacons replace bulky optical trackers to eliminate patient discomfort from invasive bone pins.

Multiple inward-moving prongs provide strong fixation while stop features prevent over-insertion and protect the bone.

Processor selects least-correlated electrode patches to reduce computational complexity and improve cardiac position tracking accuracy.

A medical robot tool guide uses a force sensor to calculate displacement speed based on practitioner input.

A rotor-mounted source and detector pivot within a gantry to acquire image data from off-center positions.

A cone beam CT scanner uses a drive unit to lift a receiving section for supine breast imaging.

Inverse Laplace field mapping determines catheter positions inside the heart cavity, eliminating external energy emitters and reducing instrument interference.