Electromagnetic Navigation Bronchoscopy
Electromagnetic Navigation Bronchoscopy - Related Videos
06:03
Use of Electromagnetic Navigational Transthoracic Needle Aspiration (E-TTNA) for Sampling of Lung Nodules
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Cited by 12 •
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We describe the novel use of electromagnetic navigational guided transthoracic needle aspiration for the pathologic assessment of human lung nodules.
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The Electromagnetic Spectrum
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The electromagnetic spectrum consists of all the types of electromagnetic radiation arranged according to their frequency and wavelength. Each of the various colors of visible light has specific frequencies and wavelengths associated with them, and you can see that visible light makes up only a small portion of the electromagnetic spectrum. Because the technologies developed to work in various parts of the electromagnetic spectrum are different, for reasons of convenience and historical...
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07:30
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09:13
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FAQs
An external electromagnetic field allows sensors on the steerable catheter to detect its position as it moves through the airways. The system relates that position to a three-dimensional virtual airway map, helping clinicians follow a planned route toward a peripheral lesion. This guidance provides navigational information beyond the reach typically available through conventional bronchoscopy.
The virtual map provides a planned representation of the airway pathways leading toward a target lesion. It helps clinicians direct the catheter through branching distal airways rather than relying only on the bronchoscope's direct path. This planning is particularly relevant when a pulmonary nodule lies in a peripheral location that conventional access may not reach easily.
Conventional bronchoscopy may have limited access to lesions located in distal or peripheral airways. Electromagnetic navigation bronchoscopy adds a steerable catheter, electromagnetic position sensing, and a three-dimensional airway map to extend navigation toward those areas. The technique therefore complements, rather than replaces, conventional airway examination and other pulmonary diagnostic approaches.
The steerable catheter serves as the navigated pathway for instruments moving toward a pulmonary lesion. Its electromagnetic sensors report its position within the external field, while its steerability supports movement along the planned airway route. This combination helps clinicians reach targets for subsequent tissue or fluid collection and other localized interventions.
Once the catheter reaches the intended pulmonary nodule or lesion, clinicians can collect tissue or fluid samples for diagnostic evaluation. These specimens can support assessment of the lesion while avoiding a more direct surgical approach in the initial sampling process. The technique is therefore relevant when diagnosis depends on material from a difficult-to-access peripheral target.
In addition to collecting tissue or fluid, the approach may support placement of markers or delivery of localized therapy at a pulmonary target. These uses extend the technique from diagnosis toward procedure planning and focused treatment. Its ability to reach distal lesions makes it relevant when clinicians need to identify or act on a specific peripheral location.
Electromagnetic navigation bronchoscopy can complement imaging and surgical methods rather than functioning as an isolated strategy. Imaging can help identify pulmonary lesions, navigation can provide airway access for sampling or targeted action, and surgery remains another possible approach. Together, these modalities support different stages of evaluating and managing difficult-to-access lung findings.