Surgical Navigation Systems TRIZ Cases

A robotic arm and canal positioning tool reproduce internal tissue alignment across radiotherapy sessions, enabling smaller margins and fewer side effects.

Controlled robotic joint motion with force-torque sensing characterizes soft tissue constraints to improve ligament balancing during surgery.

Directly attaching trackers to mounted cutting blocks enables precise bone-cut alignment while reducing invasive pinning, setup time, and infection risk.

A sensor-registered robotic arm guides percutaneous instruments to endoscopic targets with real-time positioning and patient-movement compensation.

A tool-less indexed saw head and tracked blade orientation improve surgical saw positioning for precise bone resection.

Radio-dense markers create a reproducible coordinate system for foot and ankle surgery, cutting fluoroscopic imaging, radiation exposure, and procedure time.

A movable orientation sensor records pelvic reference by gravity, then guides cup impactor alignment despite pelvic movement.

Printed drape markers tracked by an HD camera verify drape alignment, preserving sterile separation without degrading navigation accuracy.

Controlled constant current sensing replaces fluoroscopy to localize catheters in 3D with higher accuracy, faster workflow, and less radiation.

Regional wavelength maps from multi-electrode cardiac signals locate fibrillation drivers and guide ablation placement to limit tissue damage.

A stylet-tip ultrasound transceiver gives real-time brain imaging and trajectory guidance for more accurate catheter placement with fewer attempts.

Multi-planar 2D displays with slice and target indicators help clinicians assess lesion reachability and plan needle guidance more intuitively.

A rotating tool grip and offset optical marker keep surgical tools secure, trackable, and visible during image-guided surgery.

Non-radioactive magnetic seeds and multi-sensor detection improve tumor localization accuracy while avoiding wire discomfort and radiation exposure.

Real-time scan completeness feedback helps handheld target localization inside the body avoid incomplete data and improve surgical tracking accuracy.

Patient-specific gap simulation uses distraction force and ligament stiffness data to guide bone cuts for better soft-tissue balance in TKA.

Proxy position matching lets surgeons switch control between teleoperated instruments without awkward hand repositioning or losing visual awareness.

Controlled joint motion with force-torque sensing maps soft tissue constraints, improving ligament balance during joint replacement.

Transparent guards shield reflective surgical trackers from bodily fluids, preserving navigation accuracy and reducing replacement during procedures.

Pre-op CT or MR models are registered to live fluoroscopy to show real-time 3D catheter position in the heart with less multi-angle imaging.

Reversible pulsed field probing helps pinpoint arrhythmia-causing tissue before irreversible ablation, reducing mapping time and unnecessary damage.

Motor current patterns and tracked handpiece pose are combined to detect bone exit and stop cutting before soft tissue is engaged.

A protected distal fiber tip uses a secondary mechanical layer, buffer, and circuitous path to prevent damage and back scattering.

Compliant joints let an orthopedic driver flex off-axis, preventing implant locking while maintaining secure engagement during implantation.

EMR elements enable real-time catheter and needle tracking with magnetic triangulation, avoiding fluoroscopy radiation and ultrasound visibility limits.

Switched-frequency calibration aligns multiple acquisition units so more catheter sensors can be tracked accurately without replacing existing hardware.

A dual-ring marker fixture mounted to the fluoroscope improves 2D-to-3D image co-registration, corrects distortion, and avoids strict 90° imaging.

Multi-face fiducial patterns and a tissue-trapping flange keep bone markers visible in debris-filled arthroscopic procedures.

Signed distance fields turn electrode positions into volumetric PFA tags, showing session-by-session energy distribution and accumulation clearly.

Virtual anatomy is registered to the surgical field in AR, improving implant positioning while reducing setup time and monitor-to-hand coordination issues.

A flexible base arm absorbs breathing-driven patient motion while a rigid distal section keeps the surgical tool accurately positioned.

Apertured electrode coverings and flexible basket struts improve tissue contact, lower impedance, and sharpen mapping signals.

Switched-frequency calibration synchronizes multiple acquisition units, expanding medical sensor capacity without replacing positioning hardware.

Sliding sensor data and catheter bending models estimate balloon deflection, improving electrode placement during cardiac ablation.

Filling unselected areas inside a chosen map region preserves high local resolution, reducing artifacts in cardiac ablation mapping.

Impedance and magnetic position tracking filter unstable catheter electrodes, enabling faster AF ECG mapping and automatic signal storage.

Real-time fluoroscopic 3D reconstruction updates catheter-to-target position in luminal navigation when prior CT volumes lack guidance accuracy.

A 3D bone model registered to intraoperative video selects relevant cross-sectional images to guide precise ACL tunnel placement.

A linear displacement mechanism and pivoting clamp arm improve bone grip, fit varied bone sizes, and maintain navigation tracking accuracy.

Inertial sensors and a bone-mounted jig register pelvic landmarks in lateral position, improving hip implant alignment without pre-op imaging.

Camera tracking and a selective compliance robot arm automate drill positioning in complex bone structures to cut manual alignment time and errors.

An asymmetric, high-contrast marker on an adjustable skin anchor improves camera and X-ray registration for real-time surgical tracking.

Pressurized fluid jets and contrast guidance help fragment organized clots, improve catheter positioning, and reduce unnecessary blood aspiration.

Connector lines between adjacent catheter electrodes organize 3D ablation tags by delivered or missed energy, reducing display clutter.

Multiple vertebral reference markers and optical X-ray registration maintain surgical navigation accuracy despite intervertebral motion.

Connected 3D ablation tags show delivered and undelivered energy between catheter electrodes, making multi-session analysis clearer.

An implant-mounted speaker and external microphones triangulate in-body position without x-ray radiation or a skin-adjacent ultrasound probe.

A translating mounted array tracks instrument depth on a robotic arm without repeated array mounting, reducing handling risk and calibration disruption.