Surgical Navigation Systems TRIZ Cases

Dual registration with distinct visual indicators resolves measurement errors caused by organ movement during medical procedures.

Contact quality metrics filter passive electrogram data from mapping maps, preventing unnecessary ablation of non-target heart tissue.

A sensor-equipped phantom detects medical instruments to measure placement accuracy.

Accelerometers measure patch electrode displacement to filter respiration noise, ensuring accurate device positioning during cardiac procedures.

A tubular housing with a vacuum source draws damaged intestine tissue into the device for intraluminal surgical procedures.

Three-dimensional MRI renderings map the uterine cavity to position the catheter accurately, reducing trauma during embryo transfer procedures.

A location indicator mechanism positions graphical markers within a surgical microscope field of view to map optical coherence tomography data.

Determines coordinates of calibration patterns via measuring cameras to resolve trade-offs between measurement precision and device complexity.

Multi-joint mounts enable real-time repositioning of surgical reference frames, eliminating the need for time-consuming image re-registration.

A catheter uses ultrasound signals to monitor tissue properties and adjust energy delivery parameters in real time.

Coordinate transformation between MEMS sensors enables accurate tool tracking relative to bone orientation without rigid mechanical connections.

This magnetic field-based system detects endoscope movement and automatically adjusts the surgical instrument position, reducing surgeon manipulation burden during procedures.

Magnetic sensors on a conformable unit detect the magnet in the tube, replacing radiography and eliminating radiation exposure.

Dynamic anatomy simulation replaces static mannequins, resolving the contradiction between anatomical variability and device complexity in medical training.

A catheter tip forms a closed loop to maintain stable electrode contact with cardiac tissue during vascular navigation.

A surgical tracker emits electromagnetic radiation with switchable characteristics controlled by an integrated user interface.

Orientation localizer with fiducial markers registers position and orientation to display cross-sectional images on the insertion plane.

Visual display system overlays procedural guidelines on anatomical images to provide real-time instrument feedback.

Segmented plates distribute pressure on the patient's head while maintaining tracking reference stability.

Segmented sensors with distinct optical absorbers isolate curvature-induced light variations to resolve measurement precision versus calculation complexity.

An augmented fluoroscopy system overlays preoperative CT or MRI data onto real-time X-ray images to guide surgical instruments.

An extended reality headset integrates visible and near-infrared cameras to capture stereoscopic images for surgical guidance.

Optical projection guides bone cuts by tracking movement via 3D scanning, replacing mechanical jigs that cause inaccuracies.

External 3D sensors infer internal instrument orientation, enabling precise triangulation without direct visualization or complex navigation systems.

A double offset surgical instrument connects to a shaping member via an asymmetric retention device.

An implantable stimulator transduces wireless energy signals into electrical power for therapy delivery.

A system registers patient-specific 3D models with coupling points to simulate robotic tool paths.

A pre-adjusting device aligns the base coordinate system with reference objects to enable independent control of incision plane degrees of freedom.

Replacing visual displays with a haptic wrist device maintains operator focus while ensuring precise cardiac tissue contact during ablation.

A medical registration apparatus uses optical and inertial sensors to detect anatomical axis orientation.

Radio-opaque fiducials on a sensor body enable automatic geometric calibration, eliminating manual positioning errors in portable X-ray imaging.

Retroreflective markers improve tracking accuracy and prevent collisions by providing distinct optical signatures for multi-modal detection.