Surgical Navigation Systems TRIZ Cases

Endoscope position and orientation data generate a virtual 3D model that maps surface areas to specific images, resolving incomplete surface acquisition.

Optical shape sensing fiber tracks anatomical positions without line-of-sight, eliminating stress fracture risks from bulky mechanical attachments.

Physicians use hand gestures to select catheter electrodes, simplifying the identification of tissue contact during complex cardiac ablation procedures.

Targeting device with sensors and computer processing unit matches implant orientation to anatomical landmarks, reducing X-ray exposure.

Magnetic position tracking replaces fluoroscopic imaging to guide wire insertion, reducing patient X-ray radiation exposure during brain aneurysm treatment.

Modified multi-frame Horn-Schunck algorithm generates spatial maps from intracardiac signals, revealing cardiac rhythm disorder source locations.

Combines continuous electromagnetic tracking with intermittent X-ray verification to correct positional drift in surgical instruments.

Global and local transformation functions correct non-homogeneous distortions in electrical field-based medical navigation.

A retro-reflective marker sphere uses a core ball with an interior mounting recess for secure attachment to threaded posts.

Flexible transparent drape couples to protruding LED units on robotic arm links via dedicated attachment interfaces for secure positioning.

A monoplanar x-ray system determines instrument position by projecting a line through registered 3D image data to find spatial intersections.

Segmented catheter electrodes resolve the trade-off between mapping precision and ablation reliability by dynamically reconfiguring electrode pairs.

Navigation system calculates optimal cup orientation to resolve biomechanical stability trade-offs in hip joint prostheses.

Processing circuitry moves the couchtop to specific positions based on stored practitioner data.

Spring-loaded fixing element secures bone markers, reducing operating time by eliminating manual adjustment steps.

A proximity sensor detects a catheter marker band to determine electrode position relative to an introducer.

Series-connected sensing coils in a distributed location sensor maintain signal strength and placement flexibility despite miniaturization constraints.

High-magnetic-permeability material near the coil boosts sensing sensitivity without increasing end effector size for intravascular procedures.

Attachment optics expand the field of view and focal length using a distal group of meniscus lenses and a biplanar glass rod to reduce chromatic aberrations.

Extrapolates medical device trajectory from live fluoroscopic images to provide real-time visual guidance during insertion procedures.

Electromagnetic tracking registers fluoroscopic images to pre-operative scans, eliminating time-consuming manual alignment and reducing radiation exposure.

An optical navigation system calculates tissue cavity volume via real-time tracking, enabling accurate implant sizing and reducing tissue damage risk.

Alignment jig with three protrusions maintains probe orientation perpendicular to patient skin during medical imaging procedures.

Dynamic stiffness adjustment prevents buckling in curved intestinal tracts.

A medical assisting apparatus generates a 3D target representation and tracks insertion element position to guide interventional procedures.

Tracking patient sensor positions to determine optimal surgical instrument insertion timing based on real-time breathing status.

Magnetic sensors detect catheter position relative to introducers, resolving signal shielding issues.

Automated system adjusts 3D cardiac map viewing angles based on catheter position, eliminating manual CAS delays and improving procedure efficiency.

A data processing system converts motion commands relative to the endoscope field of view axes for intuitive spatial control.

Magnetic field location sensors enable three-dimensional imaging for precise left atrial appendage occlusion device placement.

A position detecting apparatus generates linear and diffuse magnetic fields to determine capsule endoscope orientation and location within the body.

An impedance sensing system localizes surgical tools via electrical characteristics, resolving radiation exposure risks from repeated imaging.

A nasogastric tube with inflatable balloons measures transdiaphragmatic pressure to detect diaphragm twitch response.

Multi-plane markers facing the same direction allow optical devices to determine position and orientation, reducing radiation exposure to healthy tissue.

Segmented sensors detect magnetic field distortions and correct positions using relative geometry.

Image-assisted navigation tracks detached rigid object parts using reference stars to determine spatial positions.

Integrated guide releasably attaches to robotic arm keeper, eliminating cumbersome external fasteners and preventing sterile field contamination.

System aligns endoscope position with 3D luminal model to identify unobserved branch conduits and generate navigation targets.

Tracking markers on surgical instruments enable automated robotic systems to transition implant trajectories from skin penetration to bone insertion.

Catheter position sensing electrodes detect tissue location to guide therapy delivery needles.

A robotic device tracks bone resection data to shape and deposit ultraviolet curable resin prostheses.

An endoscope insertion shape observation apparatus detects position coordinates of manual compression points using traveling direction data from internal sensors.

A processor calculates implicit functions from electrode positions to render volumetric energy fields.

A 3D radar array detects patient movement and physiological data without physical contact.

A medical mover device integrates a sensor unit to detect counterforces exerted by objects within hollow organs.

Co-registers an optical localizer with a smaller electromagnetic sensor to track patient anatomy and surgical tools.

Calculating electromagnetic field strengths at high-density gridpoints reduces map generation time while maintaining measurement precision for small sensors.

A medical probe uses proximal magnetic sensors to provide accurate position data for distal navigation.

Flexible circuit integrates navigation coils near the distal tip to reduce electrical noise and improve tracking accuracy.