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.

Segmenting 3D anatomy into 2D search slabs reduces computational complexity and registration time while maintaining measurement precision.

Optical tracking system detects muscle twitches and tremors via continuous marker monitoring, providing timely alerts to prevent unintended tissue trauma.

Segmentation and dimensionality change resolve the contradiction between extended range of motion and spatial tracking distortion in medical imaging.

An activation sensor detects connected endoscopes and triggers automatic microscope adjustments, resolving ergonomic difficulties in manual configuration.

Machined burr zones on the target bone enable precise cut guide placement without preoperative imaging or complex navigation systems.

A calibration method determines spatial relationships using 3D scan data and X-ray source position information.

Deformable registration aligns pre-operative 3D models with intraoperative fluoroscopy to track surgical devices despite breathing motion and posture changes.

A dynamic reference frame system registers image space to physical space using tracking devices and flexible attachment methods.

Tapered fluid ports reduce hydraulic resistance in irrigated ablation catheters, preventing impedance rises and hot spots during cardiac procedures.

Electromagnetic navigation system detects field distortions using multiple tracking devices on flexible instruments.

A calibration device tracks the osteotomy plane position to enable real-time robotic arm relocation.

Segmentation separates navigation from treatment, allowing precise ablation of bleeding sources in the Stamm's S-point region.

Integrating a six-degree-of-freedom tracker onto the imaging device eliminates external line-of-sight constraints and reduces surgical setup time.

Sensor fusion determines instrument pose within a mapped luminal network, resolving accuracy complexity trade-offs through integrated feedback.

A surgical instrument embeds a MEMS sensor cluster to track real-time 3D orientation and position during orthopedic procedures.

An inertial sensor system quantifies anatomical orientation changes in real-time, replacing radiation-based imaging with continuous electronic tracking.

Optically non-reflective contrast elements absorb background light to minimize false marker detection and improve tracking reliability.

Post-manufacture implant measurements drive boundary generation, resolving dimensional stack-up errors that compromise orthopedic joint alignment accuracy.

Integrates voice sensors into surgical masks to capture vocal commands, resolving signal quality issues from remote placement.

A surgical punch tool with movable actuation portions creates precise mounting holes in bone tissue.

Segmented markers track non-rigid anatomy with increased degrees of freedom, reducing bulky patient references and maintaining image registration.

A symmetric tapered mechanical interface engages robotic medical instruments with drive systems through frictional coupling.

A processing unit defines a plane approximating an anatomical surface to determine target locations for medical device treatment elements.

An optical bioinstrumentation system superimposes probe positions on anatomical images to ensure accurate mounting.

Magnetic field generators in esophageal probes estimate catheter distances to prevent thermal damage during cardiac ablation.

A navigation system estimates tool position using velocity and acceleration data when magnetic location signals are unavailable.

A radiolucent registration fixture supports optical-magnetic tracking integration.