Surgical Navigation Systems TRIZ Cases

Force sensors on a thin needle probe detect bone contact via resistance changes, reducing incision size and patient trauma during minimally invasive procedures.

A flexible intrauterine system employs a closed polygonal frame to reduce expulsion risk and uterine irritation.

System adjusts image or console orientation to resolve hand-eye coordination mismatch during remote robotic procedures.

An endoscope cleaning sheath with integral navigation sensors resolves IGS compatibility by providing real-time positional data.

Weighted registration updates transform parameters during instrument insertion to correct soft tissue deformation.

A processor determines tool tip position relative to eye tissue using imager data and pre-determined 3D models.

An endoscope insertion system employs a state detector to calculate insertion amount and rotation, resolving manual sensing inaccuracies.

Image processing assigns unique color codes to guide wires, reducing misidentification risks during complex interventions.

Modular optical modules and sensors provide contextual awareness, enhancing procedure efficiency while managing device complexity.

MEMS trackable members calculate instrument orientation via inertial sensors, eliminating sterile zone wires and bulky active transmitters.

Six-degree-of-freedom inertial sensors track bone and instrument orientation using Kalman filtering algorithms.

A balloon dilation device integrates sensor coils to capture electromagnetic fields for real-time position and orientation detection.

A surgical instrument integrates an image recording device on its head to capture stereoscopic images for self-localization and precise guidance.

A distally grounded acoustic waveguide stabilizes ultrasonic blade and clamp arm alignment during surgical instrument articulation.

External chest and back sensors detect position discrepancies to enable real-time map shifting correction.

Modified multi-frame Horn-Schunck algorithm maps intracardiac electrogram surfaces to pinpoint atrial fibrillation driver locations, enabling targeted ablation.

An intermediary reference body enables accurate location determination of medical instruments in restricted spatial conditions without direct marker attachment.

Auxiliary view visualizes linkages outside camera fields to prevent collisions and improve operator control.

A controlled perspective guidance system displays a stable third-person view of the bronchial tree to indicate probe location and movement.

Electromagnetic sensors track laparoscopic instruments to define a protected surgical field and prevent tool contact with vulnerable tissues.

Passive coupling mechanisms compensate for gravity loads in medical support arms, reducing active joint burden.

A surveillance marker attaches independently to bone near a dynamic reference base to track relative movement during robotic surgery.

Print anatomical images on surgical mesh to guide precise placement during hernia repair procedures.

Embedded optical fiber sensors detect colonoscope shape changes to resolve navigation contradictions and reduce patient discomfort during procedures.

Asymmetric biased electrodes increase tissue contact surface area, improving heat dissipation and reducing arcing risk during pulsed field ablation.

Fluid cooling in a microwave ablation probe prevents device failure from reflected power while CT navigation guides energy delivery to target tissue.

A medical device system applies unique drive frequencies to multiple electrode pairs for simultaneous impedance measurement.

Magnetic sensors track imaging device positions to align multi-modal data, resolving registration complexity in surgical visualization.

Automated image subtraction estimates infusion coverage in segmented 3D brain models, replacing subjective visual assessments with precise measurements.

An ablation device identification component detects tissue ablation device position and orientation from captured images.

Processor calculates baseline and updated electromagnetic metrics to detect field distortion.

Dual magnetometers calculate distance and direction to locate surgical markers while minimizing MRI image artifacts.

Projected points guide surgical digitization, eliminating monitor reference to reduce eye strain and registration time.

Magnetic sensor detects flux density to calculate endoscope distance, resolving insufficient insertion accuracy in existing tracking systems.

Segmented adapter sleeve adds electromagnetic position sensing to existing tools, resolving instrument compatibility constraints.

A fixation device anchors a navigation array to bone using a trocar and dowel mechanism.

Image guides and sensors provide real-time spatial data to resolve the contradiction between implant placement accuracy and device complexity.

A controller measures electrical impedance changes between electrodes to compute an ablation index during irreversible electroporation.

A guidewire with sensing coils and optic fibers provides real-time tracking for precise instrument positioning.

Catheter assembly uses flushing annulus to clear blood from ablation site, reducing treatment time.

A magnetically guided catheter uses an isolated manifold and conductive capsule to protect the tip positioning magnet from irrigation fluid exposure.

A head-worn mixed reality display projects stereoscopic anatomical models directly into the surgeon's field of view.

Segmented force sensing modules isolate medial and lateral tibiofemoral forces to resolve measurement precision trade-offs during knee arthroplasty.

A deformable balloon identifies tricuspid valve landmarks through fluoroscopic visualization, reducing lead-induced regurgitation risk.

Navigation system stores interventional device position and shape during first procedure to guide subsequent sessions, reducing manual re-exploration time.

An optical waveguide modeling system tracks bone and tool positions without line-of-sight constraints, reducing operative time.

An optical stereometric system determines spatial coordinates of skin markings to measure leg length changes during surgery.

Segmented magnetic sensors on flexible circuits track catheter deformation, resolving the trade-off between position accuracy and adaptability.

Visual navigation system coregisters endoscope position data with pre-operative scans to produce accurate three-dimensional anatomical models.

Obliquely oriented magnetic field transducers within a catheter body maintain a large unobstructed lumen while enabling precise position tracking.