ENF-VH Flexible Scope Flexible Rhinolaryngoscope Field Of View 110 Degrees
ENF-VH Flexible Scope Flexible Rhinolaryngoscope Field Of View 110 Degrees
The Olympus ENF‑VH is a flexible video endoscope, specifically a rhinolaryngoscope used in ear, nose, and throat (ENT) medicine. It’s designed for transnasal examinations, meaning it’s gently inserted through the nose to view the nasal passages, throat, and voice box (larynx).
1. Key Features:
High-definition (HD) imaging for clear, detailed visuals.
Wide field of view (~110°) to see a large area at once.
Flexible insertion tube with a thin distal end (~3.9 mm) for comfort.
Angulation control: up/down 130° to navigate anatomy.
Narrow Band Imaging (NBI): highlights blood vessels and mucosal patterns for better diagnostics.
Compatible with Olympus video systems like VISERA ELITE for display and recording.
2. Main Use:
Diagnosing throat or voice problems (hoarseness, nodules, tumors).
Evaluating swallowing or airway issues.
Performing laryngoscopy exams and sometimes pre-surgery assessments.
Field of view: 110°
Direction of view: 0° (straight forward)
Depth of field: 5 – 50 mm
Distal end outer diameter: 3.9 mm
Insertion tube outer diameter: 3.6 mm
Maximum insertion diameter: 4.4 mm
Working length: 300 mm
Up: 130°
Down: 130°
Total length: ~510 mm
Major Structure of Flexible Endoscope
Advancements in flexible endoscopy have rapidly progressed this technology to the next level of sophistication. Complex endoscopes and accessories have expanded the capabilities of performing surgery and treatments in a less invasive manner.
A flexible endoscope is like a Swiss Army knife that is brilliantly designed into a compact device that includes a suction channel, light and image guides, irrigation channels, and biopsy channels capable of passing instruments through.
Four Major Flexible Endoscope Structures
Control body
Insertion tube
Bending section/distal tip
Light guide connector
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