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.